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DIY Stompboxes => Building your own stompbox => Topic started by: freeradical24 on March 29, 2004, 10:02:37 PM

Title: micro synth
Post by: freeradical24 on March 29, 2004, 10:02:37 PM
anyone know where to find a schematic for the eh micro synth(the guitar one).thanks
Title: micro synth
Post by: djmartins2 on March 29, 2004, 10:23:33 PM
Hi,

The schematic is out there in a few places.
What I'd like to find is a good pcb layout of this!
Anyone?

regards,
Doug
Title: ................
Post by: freeradical24 on March 29, 2004, 10:38:30 PM
.i second that.im still a newbie and im sure this ones going to be harrowing.
to expensive not to build though.
Title: micro synth
Post by: swt on March 29, 2004, 10:57:49 PM
I have the layout/pcbs, but were made by bill bergman. We should better ask him for permission before sending to anyone. Bill??.
It works ok using his pcbs, but i have to correct the schem because it has some errors. If you want the schem, i can email it to you, just send me your email addresses.
Title: micro synth
Post by: BillyJ on March 30, 2004, 01:41:26 AM
Man BIll I know I would LOVE to have a layout to use for this build.
What a fun box this one is!!  :D
Title: micro synth
Post by: Basonsubatomia on March 30, 2004, 01:59:53 AM
Same here, except the bass version... I'm sure it's just a few things here and there that I could figure out... looking at the schematic and thinking of a good PCB layout is boggling for my beginner's mind.
Title: micro synth
Post by: Nick123 on March 30, 2004, 04:10:13 AM
I  would  like  corrected  micro  synth  schematics  too.
Thanks  in  advance.
Title: micro synth
Post by: kdawg on March 30, 2004, 04:44:22 AM
I have a Bass Microsynth.. I got schematic PDFs from http://www.harpamps.com/schematics - are those pretty close? I wanted to know the differences between the bass and guitar microsynth, according to these schematics, 1 resistor and 3 capacitors. I wanted to add a switch on mine so I could use it with guitar too.

Anyone else know if that's all I would need? I don't have a guitar microsynth to check it out.

-kdawg
Title: micro synth
Post by: Bill Bergman on March 30, 2004, 10:58:52 AM
SWT,
if you have the layout I made please feel free to distribute it. I can't remember if it had been corrected to fix the errors in the schematic.
Title: micro synth
Post by: mikeb on March 30, 2004, 02:30:45 PM
Quote from: kdawgI have a Bass Microsynth.. I got schematic PDFs from http://www.harpamps.com/schematics - are those pretty close? I wanted to know the differences between the bass and guitar microsynth, according to these schematics, 1 resistor and 3 capacitors. I wanted to add a switch on mine so I could use it with guitar too.

Anyone else know if that's all I would need? I don't have a guitar microsynth to check it out.

I modded a guitar MS for bass just by changing the value of those caps - they improve the tracking in the lower octave, so going back the other way should work fine also. Didn't notice the resistor value difference though!

Mike
Title: micro synth
Post by: toneless on March 30, 2004, 05:16:29 PM
Quote from: swtI have the layout/pcbs, but were made by bill bergman. We should better ask him for permission before sending to anyone. Bill??.quote]

A layout for the micro synth?!
I hope this will be posted soon... :)
Does it have any unusual parts?
Title: micro synth
Post by: swt on March 30, 2004, 08:22:01 PM
ok!!. I'll need all your emails in this thread so i can make a chain mail, with the pcbs, schem and corrections. Maybe someone can host it for a while, with Bill approval. One thing is email exchanging of ckts, another completely different, to post it freely on the net. Ask Bill about host, or else, post you addresses, and wait...
this is a very interesting and useful project. Feel free to ask me about debugging, etc. good luck!!
Title: micro synth
Post by: Marcos - Munky on March 30, 2004, 08:31:00 PM
Please put me in the list.
munkydiy@hotmail.com if the files are only images or munkydiy@bol.com.br if the files include pdf, zip and others.
Title: micro synth
Post by: Gringo on March 30, 2004, 08:41:12 PM
Me too!!

gringo@gring0.cjb.net

Thanks in advance!
Title: micro synth
Post by: Kaiowas on March 30, 2004, 09:05:46 PM
I'd want it too!!
kaiowas2@hotmail.com

Thanks!
Title: micro synth
Post by: MartyB on March 30, 2004, 09:22:43 PM
I'd like one also.


 martybuchanan@charter.net


I have some space on my freewebs site if you don't have another offer for a placeto post it.
Title: micro synth
Post by: djmartins2 on March 30, 2004, 10:48:38 PM
Bahahah!

I see I started something!
I swear Bill B must have put a lot of time
into making a layout for this beastie.
Here is my email address:

djmartins2 AT comcast.net

Would it be too much to hope it was done in Eagle PCB?
Then I can fire it out to my OLD DXY-800 straight to
blank copper!

I think would be a great (but complex!) DIY pedal,
especially since I'd like to find some GOOD slide
pots to make one with!

thanks Bill!!!!

Doug
Title: micro synth
Post by: Bill Bergman on March 31, 2004, 12:06:57 AM
If I recall, swt showed me some mods that really brought more life to mine. If some one can host it I have some pictures of the DIY unit also.
Title: .......................
Post by: freeradical24 on March 31, 2004, 12:14:00 AM
my e mail: freeradical24@hotmail.com
Title: ................
Post by: freeradical24 on March 31, 2004, 12:18:28 AM
.i would host your pics.but im not clear on how. do you just put [img]on both sides of the address?
Title: micro synth
Post by: toneman on March 31, 2004, 12:21:52 AM
LMK where U post it.
thanx
tone
Title: micro synth
Post by: BillyJ on March 31, 2004, 01:36:22 AM
stinkyfeet73@hotmail.com

Big thanks!!!
Title: micro synth
Post by: Gripp on March 31, 2004, 01:48:43 AM
I sure could use one too!
Finally getting around to actually box up all my breadboarded try-it-out pedals...

Grillbeppe@hotmail.com

Thanks in advance!
/Pelle Garpebring
Title: micro synth
Post by: Basonsubatomia on March 31, 2004, 02:35:25 AM
count me in... basonsubatomia@hotmail.com
Title: micro synth
Post by: Nick123 on March 31, 2004, 03:25:37 AM
Me  too :

n.mihaljevic@vipnet.hr


Thanks.
Title: micro synth
Post by: Joep on March 31, 2004, 04:02:42 AM
and me....

joep.remkes@planet.nl

Joep
Title: micro synth
Post by: tazwolf on March 31, 2004, 04:09:36 AM
Me too pretty please!

taz@bredband.net
Title: micro synth
Post by: Zero the hero on March 31, 2004, 05:35:52 AM
well... me too...
offramp.uno@tiscali.it

I can host the entire project if you want.
PM me if you're interested.
Title: micro synth
Post by: Jose on March 31, 2004, 05:58:37 AM
If you could send one my way.. Greatly appreciated!
josewails01@yahoo.com
Title: micro synth
Post by: mcnowinski on March 31, 2004, 06:04:01 AM
add me to the list, as well. thanks!

mcnowinski@mochamail.com
Title: micro synth
Post by: Pedro Freitas on March 31, 2004, 06:13:39 AM
Me too! :)
Thanks!!!

pfx@netcabo.pt
Title: micro synth
Post by: loki on March 31, 2004, 07:04:14 AM
i'd like to have it too... here's my address

funkyass@fastwebnet.it

thanks
Title: micro synth
Post by: D Wagner on March 31, 2004, 07:10:55 AM
While you are at it, include me please!

Thanks in advance.  

Derek

datilderek@excite.com
Title: micro synth
Post by: JT on March 31, 2004, 07:46:51 AM
Thanks!
Title: micro synth
Post by: fab on March 31, 2004, 08:28:19 AM
...
Title: micro synth
Post by: fab on March 31, 2004, 08:29:53 AM
MANY THANX :)
Title: micro synth
Post by: Bill Bergman on March 31, 2004, 08:30:01 AM
Here's the pics.... http://www.freewebs.com/elroy2/

Oh I forgot about one thing, there are 4 pcbs, one is just the power supply. Francisco Pena did 1 of the 3 main boards. I hope he doesn't mind publishing it.

swt, do you want me to resend you the layout file to see if it is the latest or the same one I have?
Title: micro synth
Post by: Mark Hammer on March 31, 2004, 10:04:25 AM
Nice collection.  I assume you can remember what all the knobs are for?

By the way, that's a terrific collection of Roger Mayer pedals in the last photo!  :lol:
Title: micro synth
Post by: Marcos - Munky on March 31, 2004, 10:21:55 AM
Anybody could e-mail me the files? I can't see sites in freewebs.com server. My e-mail is in the first page of the thread.
Title: micro synth
Post by: Bill Bergman on March 31, 2004, 10:29:34 AM
Hey Mark,
you want to see knobs.... check out the last picture I uploaded. I had to remove the funny flying pedals to fit the image because of space limitation.

Marcos I'll  try and send you the files.
Title: micro synth
Post by: Marcos - Munky on March 31, 2004, 10:39:55 AM
Thanks, Bill. I will check my e-mail.
Title: micro synth
Post by: Bill Bergman on March 31, 2004, 10:44:51 AM
Marcos, it bounced back as undeliverable
Title: micro synth
Post by: Marcos - Munky on March 31, 2004, 10:48:20 AM
What is the size of the files? Hotmail can't get more than 2mb, and I have 30% of my inbox in use. Try munkydiy@yahoo.com
Title: micro synth
Post by: Bill Bergman on March 31, 2004, 10:49:07 AM
Mark seems like the old link doesn't show the last picture. Try this again..... http://www.freewebs.com/elroy2/
Title: micro synth
Post by: Fret Wire on March 31, 2004, 10:51:48 AM
Hi Guys, if anyone doesn't mind sending it my way. Thanks alot.

BTW, remember, alot of non-registered users go through here. As soon as you get yours', delete your email address. Saves you spam, virus', and headaches.
Title: micro synth
Post by: Athin on March 31, 2004, 11:08:35 AM
huh.. long list, doesn't matter if I make it a bit longer:

uras007@go2.pl

thanX in advance...
Title: micro synth
Post by: Joep on March 31, 2004, 11:15:24 AM
Hi Bill,

The first pictures is still impressive, although I think I've seen it before!

Bye,

Joep

PS How's you back?
Title: micro synth
Post by: Bill Bergman on March 31, 2004, 11:20:06 AM
Hi joep,
yep, that's and old picture. I've probably posted it to may times :oops:
My backs ok, but I had to give up surfing.
Title: micro synth
Post by: Mark Hammer on March 31, 2004, 11:59:37 AM
Well that's it, Bill.  My jeans are officially creamed.  Of course, the Storm Tide is pretty much in the same state as my Hyperflange from the pictures, but what a sweet front panel.
Title: micro synth
Post by: Bill Bergman on March 31, 2004, 12:08:25 PM
Mark,
thanks, actually that's an old picture. I finished it last year. It works great but without an idea of what the original sounds like, I'm not sure it if it's exactly right. I still need to try the stereo function of it. I made the panel in corel draw and printed it on photo paper.
Title: micro synth
Post by: Dean Hazelwanter on March 31, 2004, 01:41:23 PM
Me too, please

dean.hazelwanter@sasktel.net

TIA
Title: micro synth
Post by: Arno van der Heijden on March 31, 2004, 01:52:25 PM
Please?  :D

<email address removed>
Title: micro synth
Post by: Bill Bergman on March 31, 2004, 02:00:18 PM
If swt does chime in soon, I'll gather up the emails and send the layout file and parts list.
Title: micro synth
Post by: Bill Bergman on March 31, 2004, 02:16:59 PM
Ok, what the heck, I attepted to send it bulk mail and it bonced back or maybe just on gringo. I'm not sure.
Title: micro synth
Post by: Gripp on March 31, 2004, 04:00:18 PM
Well, I got the bulk mail and just wanted to say: Thank you Bill, SWT and FP!
Best!
/Pelle Garpebring
Title: micro synth
Post by: anyuser00 on March 31, 2004, 04:21:51 PM
Got it
Thanks. :D
Title: .......................
Post by: freeradical24 on March 31, 2004, 04:55:07 PM
i also recieved the bulk mail.as well as those formentioned i d like to thank aron for providing us with this cool site.
Title: micro synth
Post by: BillyJ on March 31, 2004, 05:55:24 PM
I didn't get mine. Did my email bouce too?
Could someone give it a go again for me?
stinkyfeet73@hotmail.com
Thanks![/quote]
Title: micro synth
Post by: toneless on March 31, 2004, 08:01:54 PM
Can I have the layout and schems,too?

Bil Bergman the first photo has ton of effects!
By the way you have coped the Boss GT-5 very well...it seems like the original... :) :)
Title: micro synth
Post by: djmartins2 on March 31, 2004, 08:05:28 PM
Hi Bill,

I didn't get the bulk email either.

My email address is:

djmartins2 @ comcast.net

Please add me to this list.

thanks!

Doug


PS - Bill, that's some good work! It sure has a lot of knobs,
I'll have to label them if I make one.
To see how the original sounds, the EH website
has a lot of mp3s of it.
Title: micro synth
Post by: Gringo on March 31, 2004, 08:23:26 PM
Please try at this mail:

<removed mail address>

Sorry for all the trouble :)
Title: micro synth
Post by: Bill Bergman on March 31, 2004, 09:07:25 PM
I have to try again from work tomorrow
Title: ..............
Post by: freeradical24 on March 31, 2004, 10:38:48 PM
when you try again tommorow could you include this e mail
freeradical25@yahoo.com
hotmail is giving me tons of problems.it wouldnt let me download before now i cant even get to my mailbox!
thanks
Title: micro synth
Post by: Frankgb on April 01, 2004, 05:14:36 AM
Hi,

Is it to late to get a copy of the EH Synth info???

Is there a site where it is downloadable, or is it only by email?

cheers

Frank
Title: micro synth
Post by: snorky on April 01, 2004, 06:17:47 AM
I would love to get a copy of the schem and PCB layout.  I can put these on a server if it would help...

TIA!

- Mark, mark@avdb.com
Title: micro synth
Post by: Basonsubatomia on April 01, 2004, 06:38:59 AM
awesome! thanks a lot Bill!
Title: micro synth
Post by: D Wagner on April 01, 2004, 06:58:59 AM
Bill,

Thanks for the MS information and layout.

Really nice work, Bill and Francisco.  

Derek
Title: micro synth
Post by: djmartins2 on April 01, 2004, 09:35:06 AM
Hi all,

I just received the two files, thanks a lot Bill.
I must say these layouts are excellent,
but that's not a surprise as all the layouts I've seen
from both sources have been excellent.

I went over the parts list and had a silly moment.
This thing uses SIX ca3094s!
Small Bear has them at $4.75 each....
Did y'all use ca3094s or did anyone sub them
out for ca3080e?
If so, don't you need to add two 2n5088s for
each ca3080?

This one looks like a great project to impress
my wife with! *grin*

thanks to all involved!
Doug
Title: micro synth
Post by: Bill Bergman on April 01, 2004, 09:46:53 AM
I used all CA3094's
Title: micro synth
Post by: anyuser00 on April 01, 2004, 04:25:51 PM
Quote from: djmartins2Hi all,

I went over the parts list and had a silly moment.
This thing uses SIX ca3094s!
Small Bear has them at $4.75 each....
Did y'all use ca3094s or did anyone sub them
out for ca3080e?
If so, don't you need to add two 2n5088s for
each ca3080?

Doug

What about using LM13600's or LM13700 's?

http://www.diystompboxes.com/sboxforum/viewtopic.php?t=592

Cross referenced here.
Title: micro synth
Post by: swt on April 01, 2004, 07:29:19 PM
ok guys. I've emailed you all. Also, i think munky is going to host this one. Hope you all get it. Let me know if someone missed it. Good luck!
Title: micro synth
Post by: Bill Bergman on April 01, 2004, 08:21:00 PM
Hi swt,
I've sent a bunch out already. Guess now we can see if we have the same version. :shock:
Title: micro synth
Post by: Hairston on April 02, 2004, 11:05:09 AM
I hope I'm not too late for this... :cry:

Would somebody be so kind as to forward Bill's EH MS Schematics and Layouts to me? I will upload them to a webserver and post the link here for anybody else who needs them (with permission from Bill and all involved of course! :D)

Thanx a mill guys!
-HB (rmetzger@adelphia.net)
Title: micro synth
Post by: Hairston on April 02, 2004, 12:25:39 PM
Thanks Bill!

Wow, these layouts that Francisco did are pretty good. Has Fp shown any interest to post this as a Tonepad project? It would be an awesome addition to an already outstanding collection of layouts.

-HB
Title: micro synth
Post by: Bill Bergman on April 02, 2004, 12:36:43 PM
Actually Francisco only did the first of the 3 main boards and I did the other 2.
I tried to match his style some what. I learned a lot from his great work.
Title: .....................
Post by: freeradical24 on April 02, 2004, 11:38:42 PM
so i take this fransisco fellow hasnt given us permision to use his layout yet?ive only recieved two and three.not complaining though just curious.
as a matter of fact thanks again!!!
Title: Microsynth
Post by: uncle boko on April 03, 2004, 06:12:38 AM
It really isn't that difficult to build on stripboard so long as you watch what you are doing, I've done it twice (I don't have layouts unfortunately). I would recommend using CA3094 where required, from memory some can be replaced by CA3080, but I am not at home today so don't have access to my circuits. Perhaps if just pins 2,3,5 & 6 are used then a 3080 will do, but let's have a second opinion.

Incidentally, this weekend we are in England's seat of learning - Oxford, my wife is at a language teachers' conference and I have come along for the ride!
Title: Re: Microsynth
Post by: gez on April 03, 2004, 07:49:35 AM
Quote from: uncle bokoIncidentally, this weekend we are in England's seat of learning - Oxford, my wife is at a language teachers' conference and I have come along for the ride!

If you haven't done so already, visit the Pitt Rivers Museum.  Totally wacky experience!

http://www.prm.ox.ac.uk/
Title: micro synth
Post by: Bill Bergman on April 03, 2004, 09:40:23 AM
freeradical24,
there are 6 or so pages in the one .ppt file.
Title: micro synth
Post by: djmartins2 on April 03, 2004, 01:06:26 PM
Hi,

I have 20 3080s, but not a single 3094....
So I do have an interest in subbing where I can.

thanks,
Doug
Title: micro synth
Post by: Maneco on April 03, 2004, 05:35:30 PM
well,tou can sub all of them,many won´t need anything extra,and others will need the two transistors buffer,as seen on the ca3094 datasheet,if i remember well,the one on the envelope generator and the three on the low pass filter...all the others take the output before the transistor buffer,so you can use directly a ca3080...
Title: micro synth
Post by: PB Wilson on April 03, 2004, 05:48:29 PM
I just saw this thread and would love to get a layout and schem.

Thanks.
Title: micro synth
Post by: PB Wilson on April 04, 2004, 07:22:12 PM
bump for those late to the party
Title: .....................
Post by: freeradical24 on April 04, 2004, 07:36:50 PM
i actually saw the other pages.but all that is on them is text.
what software should i be using to open a ppt file?maybe thats my problem.
Title: micro synth
Post by: Bill Bergman on April 04, 2004, 08:11:36 PM
PB, I'll send it to you tomorrow.

Freeradical, you need to open it with Microsoft  PowerPoint.
Title: micro synth
Post by: Bill Bergman on April 05, 2004, 03:04:50 PM
Hey swt,
I just noticed that on the file that I have been sending everyone that on the first page, second layout I have some traces in pink.  Hopefully this not is a version I was woking on (along time ago when I did this) to corect problems. It might possibly be some correctins from information you gave me.

Is this the same on the one I sent you awhile back?
Title: micro synth
Post by: shawsofhell on April 06, 2004, 02:06:10 AM
hey could i get a copy as well please?

shaw@argo.net.au
Title: bump
Post by: zipphreak on April 29, 2004, 07:52:28 PM
bump think i could still get a copy of this, that would be awsum

zipphreak@comcast.net


thanks,
zipphreak
Title: micro synth
Post by: Arn C. on April 30, 2004, 10:03:10 AM
Hey Bill  !!!
   If you get a chance I would also be interested in what you have also!

Thanks!
Arn C.
Title: micro synth
Post by: Bill Bergman on April 30, 2004, 10:24:11 AM
Arn, Zipphreak and Shawsofhell (hope your not the devil), I sent you the files but Shaws' bounced back.
Title: micro synth
Post by: Arn C. on April 30, 2004, 10:36:43 AM
Thanks Bill,  got them!!!!

Arn C.
Title: micro synth
Post by: SpiderBass on May 21, 2004, 08:55:41 AM
If someone can send to me the Zip  :D

Thanks

spiderbass@free.fr

Nobody try with vertical potentiometer ?
Title: micro synth
Post by: ryanscissorhands on May 21, 2004, 09:59:48 AM
I'd like a copy too please.

ryanscissorhands@hotmail.com

Thanks so much.
Title: micro synth
Post by: SpiderBass on May 21, 2004, 10:12:04 AM
Thanks so much  8)
Title: micro synth
Post by: aaronkessman on May 21, 2004, 10:46:50 AM
heh. me too. thanks!

fuzz_a   at  y a h o o
Title: micro synth
Post by: Dutchie on May 21, 2004, 11:10:55 AM
and while you're at it.....  :wink:

yvo ( a t ) raketnet.nl

thanks!!!!
Title: micro synth
Post by: dr on May 21, 2004, 12:20:53 PM
....Bill, is the layout that FP did correct?...and are all the IC's CA3094's on that one? his layout didn't specify..thanks!.......dr....
Title: micro synth
Post by: Bill Bergman on May 21, 2004, 01:05:38 PM
DR,
I think they reference to the #'s on the schematic. I'll have to check.
Title: micro synth
Post by: Bill Bergman on May 21, 2004, 01:16:19 PM
Yep, there on the schematic.
Title: micro synth
Post by: dr on May 21, 2004, 03:53:50 PM
....Bill, which schematic are you referring to; I have the powerpoint file from a while back,and I don't recall it had a copy of the schematic,just layouts of the board.....is the schematic you're referring to available anywhere? I have some of the CA3094's and would love to build it!.....thanks!......dr....mrodgers@wcnet.org
Title: micro synth
Post by: EliGold on May 21, 2004, 07:52:43 PM
I would love a copy of this too, please.

Thanks

elliotmc@hotmail.com
Title: Microsynth
Post by: StephenGiles on May 22, 2004, 11:29:26 AM
Hi Bill, how's things? Could you please mail me your microsynth stuff, I may be able to offer some help with any problems which may arise here. I saw the Yardbirds last night, just 2 original members left but a great show.
Title: Microsynth
Post by: StephenGiles on May 22, 2004, 11:30:30 AM
Hi Bill, how's things? Could you please mail me your microsynth stuff, I may be able to offer some help with any problems which may arise here. I saw the Yardbirds last night, just 2 original members left but a great show.
spgstevegiles@yahoo.co.uk
Title: micro synth
Post by: Bill Bergman on May 22, 2004, 01:53:29 PM
I'll have to get back with you guys on Monday. I'm out of town right now.
Title: micro synth
Post by: SpiderBass on May 23, 2004, 09:26:31 AM
Great project and great job for PCB  :D

Bill, you have a nice collection of DIY effect  :shock:  :D  What is the box you use for this project, it's seem perfect  :)

Someone have other photos of a finish Microsynth ? ASAP i post my finish project  :D
Title: micro synth
Post by: Leandro on May 23, 2004, 01:46:21 PM
Am I late to the party?  I'd love the schems, if anyone could forward them my way... <<email removed - Thanks, Bill!>>

   Thanks!
   Leandro
Title: schematic....
Post by: dr on May 24, 2004, 12:21:27 PM
.....btt......Monday and still hopeful for the schematic,Bill-thanks for your patience with me......dr........
Title: micro synth
Post by: Bill Bergman on May 24, 2004, 12:42:51 PM
DR, did you get it? I sent it several hours ago.
Title: Bill
Post by: dr on May 24, 2004, 04:12:03 PM
......Bill, I'm not home yet-I will be shortly.......I'll let you know when I get there and check it.....Thank you!....dr...
Title: micro synth
Post by: dr on May 24, 2004, 04:59:31 PM
got it, Bill-thanks big bunches!....if there is anything I can do in return,let me know!........dr.....
Title: micro synth
Post by: Bill Bergman on May 24, 2004, 06:14:13 PM
Good luck all, it a challenging build. Pay attenion to the different power hookups on each of the 3 boards. If I recall it requires positive, negative and isolated ground.
Title: micro synth
Post by: morganpedals on June 04, 2004, 10:36:06 PM
Could someone forward the file to me? Thanks ahead of time.

I'm not sure I'm ready for it, but I will give it a shot.
Title: i would be forever grateful!................
Post by: guitarhacknoise on June 06, 2004, 01:40:13 PM
:shock: not to overwhelm your mail load, but i too would like to have the file!
              i got to play with the bass version at a pawn shop a couple days ago, ton's o' fun!, went back today and...........................gone! : :cry:
i thank you in advance!
                                           ihycoi
Title: me too again?!
Post by: djmartins2 on June 06, 2004, 02:18:48 PM
Hi all,

I did have the files, but had a hard drive crash. *boom!*
Lost only 4 years worth of files and data......
Could someone send it to me again at

djmartins2 @ comcast.net

Much appreciated!
DJ
Title: could you . . .
Post by: { antonio } on June 07, 2004, 07:13:32 AM
could you please meial me on too.  thanks.  antonio(at)inallhissplendour (dot)com
Title: micro synth
Post by: Bill Bergman on June 07, 2004, 08:17:41 AM
Hey guys,
I sent a bunch of you a pdf of the schematic and unfortunately it was for the bass guitar version. I have the guitar version in a postscript file format only.


Morganspedals, what's your email address?
Title: micro synth
Post by: morganpedals on June 08, 2004, 01:07:26 PM
Thanks bill.

Now I have something else to occupy all of my non-existent free time.
Title: micro synth
Post by: Johnny G on June 08, 2004, 03:46:08 PM
Hi
seeing as i like the idea of funky noise making effects i figured id jump on the band wagon and have a play with this. would anybody be kind enough to mail me the schem and the PCB board layouts??

many thanks

<Email Removed>

JG

<Wow that was quick lol. cheers Bill>
Title: micro synth
Post by: Rmanen on June 09, 2004, 03:00:46 AM
............................
Yes pleaze, if its not too late....(I would like the bass version.. or doesn't it make a diff.???)

Cheers
Title: me too :)
Post by: muizac on June 09, 2004, 04:21:09 AM
Hi Bill and gang - is there any chance i could also be added to list for the guitar micro synth schem as well? (or is there a url i can go to?)

my email is coop9_2003@yahoo.com.au

cheers mate - much appriciated
Title: micro synth
Post by: Bill Bergman on June 09, 2004, 09:28:48 AM
Rob,
the email bounced back
Title: me too!!
Post by: mongo on June 09, 2004, 11:05:39 AM
Hi, hope I'm not to late to get layout and PCB for this project as well!

Thanx!

ultrageranium@yahoo.fr
Title: micro synth
Post by: Rmanen on June 09, 2004, 03:39:29 PM
thanks, got it now
Title: micro synth
Post by: muizac on June 10, 2004, 12:56:58 AM
thanks Bill - top fella !
Title: micro synth
Post by: mugan on June 10, 2004, 04:54:53 PM
Any one can send me the schematics? Thank you !

<email removed>


Thank you Thank you Thank you Thank you Thank you Thank you Thank you Thank you Thank you Thank you Thank you !!!!
Title: micro synth
Post by: toneless on June 10, 2004, 05:25:49 PM
Can anyone send them to me,too?
Are those schematics different than those on the net?

Thanks
Title: micro synth
Post by: mugan on June 10, 2004, 08:17:52 PM
Quote from: kdawgI have a Bass Microsynth.. I got schematic PDFs from http://www.harpamps.com/schematics - are those pretty close? I wanted to know the differences between the bass and guitar microsynth, according to these schematics, 1 resistor and 3 capacitors. I wanted to add a switch on mine so I could use it with guitar too.

Anyone else know if that's all I would need? I don't have a guitar microsynth to check it out.

-kdawg

i can't see them! can u tell me in wich board are they?

Thank you!
Title: micro synth
Post by: toneless on June 11, 2004, 07:26:52 PM
There are three different caps at the the "first" schematic and one resistor at the "second" page.

Here they are:

C8  1uf      |  2.2uf
C9  0.47    |  1uf
C10 0.056 |  0.1
R69 2.2K   |  12K
Guitar       |  Bass

I think the Bass Version will sound better for guitar.
Title: micro synth
Post by: mugan on June 12, 2004, 04:32:02 AM
Thank you.


After a little study, i think i will join the 3 main pcbs, and build another one
wich holds the twelve sliding pots, placed above the first. I'll post a draw.
Title: micro synth
Post by: Prive on June 14, 2004, 11:18:24 PM
I like to see the full corrected schem too.

prive@tutopia.com


Saludos, Marcelo.
Title: micro synth
Post by: Kaiowas on June 15, 2004, 07:12:04 PM
I formated my pc and lost all my schematics (music, videos and everything else :( ), coulda anyone email me the zip file with the schems and pcbs??

kaiowas@cable.net.co
or
kaiowas2@hotmail.com

Thanks!
Title: using 13600's instead of3094A's
Post by: Frankgb on June 20, 2004, 05:42:28 AM
Hi,

Is it possible to use LM13600's in place of the CA3094's?

Are'nt 13600 two 3094's in the same box??  I understand that I'd need to hardwire something, and that they're not a pin for pin replacement.

cheers

Frank
Title: using 13600's instead of3094A's
Post by: Frankgb on June 20, 2004, 05:43:59 AM
Hi,

Is it possible to use LM13600's in place of the CA3094's?

Are'nt 13600 two 3094's in the same box??  I understand that I'd need to hardwire something, and that they're not a pin for pin replacement.

cheers

Frank
Title: micro synth
Post by: puretube on June 20, 2004, 09:20:32 AM
not the same!
Title: micro synth
Post by: mirza on June 20, 2004, 09:53:51 AM
wow :shock:
can someone please mail me copy of all files?
please....

it's gonna be long long summer.
thnx

ivandmirza@yahoo.com
Title: LM13600
Post by: StephenGiles on June 20, 2004, 01:54:41 PM
A few years back I breadboarded a Space Drum using LM3600 instead of CA3094. It needed a bit of thought for a few hours, but the principle of operation was similar. Unfortunately I never drew the circuit because I did not see any use for it other than 80s revival silly disco stuff which I'm not in to. To be honest you might just as well pay your money to buy the proper chips!
Title: micro synth
Post by: travissk on June 20, 2004, 02:01:34 PM
If the zipfile is still available, could someone send it to me? Sounds pretty complex, but I've been wondering how these things work :)

travisskare (a-t) gmail.com
Title: things i don't understand...
Post by: mugan on June 20, 2004, 03:40:50 PM
Well i've studied alot this scheme and the pcb's by bill (thank you again), so this is a list of things i'd like to discuss about, for anyone's goodness:

- the power the circuit needs is +9v for v+ and -10v for v-, so how can i obtain that using the normal 9v adapter, instead of a 24 vac adapter?

- the first pcb has a dot named "OUT" but on the scheme there's no out in that point

- R105 is present in pdb 1 and in pcb 2 is it an error?

- SWT says in the ppt file:  "All diodes 1n4148" does it refer to ALL or not?

- i don't understand the switching in the schemathics, looks like the input from the in jack goes first on the pcb then to the switch, the same for the output.... maybe the original unit doesn't use a dpdt as usual?

- Transistors : do i have to buy the ones on the scheme? what about this "Also...interesting, the fet is a bf245a, and it goes, source to V+, gate to pin 1 of ic 18, and drain to 12k resistor to V-" Wich one do u refer to?

- "R97 and pin 2 of ic 14 connects to ground" this is corrected on the pcb

- "From pin 1 to gorund of ic 8, there's a 10k resistor, so that pot becomes the result of the paralell 10k and the 100k pot"  dunnow how to do!

-!There's a 10k resistor between R105, and connection 1 on the pcb, so that's lifting the earth at the output of ic 1 by 11k" where is ic 1 ?

that's all.... hope someone can help!
Title: micro synth
Post by: the_oracle on June 22, 2004, 07:37:06 AM
Is it too late to have a copy of the PCB and schematics emailed to me at nlagwa77@hotmail.com

Thanks
Title: micro synth
Post by: mugan on June 29, 2004, 05:25:20 AM
any news ? :D
Title: micro synth
Post by: Fermin Rovira on July 01, 2004, 09:45:57 PM
Oh! I have many desire to build it(guitar microsynth). Could send me the pcb files?
I want to read reviews of your microsynth clones, ASAP I'll send my report!

fermin128@yahoo.com

Thanks a lot!
Fermín.
Title: micro synth
Post by: Bill Bergman on July 01, 2004, 11:15:17 PM
Can one of you other guys foward Fermin the files. I got laid off at work due to a merger and the my files where on my pc there.

Oh yeah... anybody know where I can get a job?
Title: micro synth
Post by: markusw on July 02, 2004, 02:18:08 AM
I will send Fermin the files. Sorry to hear you lost your job. I am searching for a new one too. Good luck!

Markus
Title: Re: micro synth
Post by: FunkyGibbon on October 23, 2005, 12:13:36 AM
I realise this is a long while after the fact, but if anyone still has it, could you please also email me the schematics/layouts for the bass microsynth. Was it a ppt?

[removed]

Thanks!
Title: late to the party
Post by: turing on October 23, 2005, 11:14:23 AM
hi, could i jump in on this as well?
insectpolitics@hotmail.com

many thanks
Title: Re: micro synth
Post by: StephenGiles on October 23, 2005, 11:52:12 AM
http://filters.muziq.be/files/schematics/eh_bassmicrosynth.pdf
Try there for the circuits.
Stephen
Title: Re: micro synth
Post by: Dave_B on October 24, 2005, 09:49:24 AM
This is obviously complicated, but somehow not as bad as I thought.  I remember reading about this thing being built, but maybe it was breadboarded? 
Title: Re: micro synth
Post by: puretube on October 24, 2005, 10:14:19 AM
it`s all hidden behind the search-button...
Title: Re: micro synth
Post by: mig27 on October 24, 2005, 11:35:46 AM
I hope I'm not all too late for the party - this has been on my wish list for a while.
=> 3str@gmx.de

Thanks heaps!


Michael
Title: Re: micro synth
Post by: PurpleTheory on November 03, 2005, 03:45:12 AM
sorry, saw this thread a little late. could somebody please send it to me too?
purpletheory(at)yahoo.com

thanks!

matt
Title: Re: micro synth
Post by: Eddie V on November 03, 2005, 01:03:00 PM
Same here, Thanks!

Vented@gmail.com
Title: Re: micro synth
Post by: puretube on November 03, 2005, 01:58:59 PM
help me - I can`t read nor search - where do I find a course?
Title: Re: micro synth
Post by: StephenGiles on November 03, 2005, 02:30:00 PM
 :icon_lol: :icon_lol: :icon_lol: :icon_lol: :icon_lol:
Stephen
Title: Re: micro synth
Post by: Jaicen_solo on November 03, 2005, 02:58:30 PM
Funny,
But nowhere on the search engine will you find the PCB's and layouts. I assume that like me, you've both got them saved on your hard disks, perhaps you could be gracious enough to share or perhaps host them?
Title: Re: micro synth
Post by: Dave_B on November 03, 2005, 04:35:54 PM
Quote from: puretube on November 03, 2005, 01:58:59 PM
help me - I can`t read nor search - where do I find a course?
I eventually found it, but only while looking for something else.   :) 
Title: Re: micro synth
Post by: Bernardduur on November 24, 2005, 05:13:58 AM
I know I am a late responder, but can someone send me the files??

r.kerkhof@student.kun.nl
Title: Re: micro synth
Post by: jrc4558 on November 24, 2005, 10:40:01 AM
asterius@hotmail.com

Please? :)
Title: Re: micro synth
Post by: soffa on January 09, 2006, 07:56:09 PM
Could someone pleeeeeese e-mail me the layout files?

soffa77@hotmail.com

Thanks!

Matt
Title: Re: micro synth
Post by: bjames on February 21, 2006, 05:38:55 PM
I know I'm late, but could send me the pcb files and layout. bjames at james-gang dot org

Thanks
Bryan
Title: Re: micro synth
Post by: christobean on February 21, 2006, 06:37:09 PM
I would appreciate it a ton if someone could send me the files for the micro synth.. searched all over the net about a month ago for that and couldnt find a thing!

unc_don@yahoo.com
thanks!!
Title: Re: micro synth
Post by: no one ever on February 21, 2006, 07:04:44 PM
gah, will someone just host the file already!!!


;D aka.hector@gmail.com
Title: Re: micro synth
Post by: Marcos - Munky on February 21, 2006, 08:05:47 PM
Don't know who didn't received the files yet, so if you didn't received them, e-mail me.
Title: Re: micro synth
Post by: strum_my_sitar on February 21, 2006, 08:12:51 PM
Oh babby... Your speaking my language! I would LOVE a copy of the schem and PCB layout!! Awesome Here's my email

strum_my_sitar@hotmail.com

thanks so much, I love this community!
Title: Re: micro synth
Post by: Primus on February 21, 2006, 08:30:53 PM
can some kind soul host this?
Title: Re: micro synth
Post by: Jaicen_solo on February 22, 2006, 07:43:08 AM
I think there are 2 reasons nobody's hosting this project.
Firstly, nobody wants the hassle of people emailing them for suppord.
Secondly, nobody wants the hassle of EHX emailing them with threats.
Besides, there are hundreds of people with the layouts now, but not one has come back to show any results.
Read into that what you will.
Title: Re: micro synth
Post by: Primus on February 26, 2006, 08:01:05 PM
At your convenience, I'd love to see the layout. My e-mail is [protected from spamming bastards]
Title: Re: micro synth
Post by: RaceDriver205 on February 26, 2006, 08:56:21 PM
Me me me me me.
(Could I have a copy of the files too please?)
tothemax6@hotmail.com
Title: Re: micro synth
Post by: Marcos - Munky on February 26, 2006, 09:34:05 PM
Quote from: Marcos - Munky on February 21, 2006, 08:05:47 PM
Don't know who didn't received the files yet, so if you didn't received them, e-mail me.
Title: Re: micro synth
Post by: Sam on February 26, 2006, 11:12:30 PM
I'd also like the schem and PCB, please.

jsammelin@gmail.com

Thanks.
Title: Re: micro synth
Post by: Paul Perry (Frostwave) on February 27, 2006, 04:13:19 AM
Please do not send me the files. I'm far too busy with other stuff. I don't want to build it.
Title: Re: micro synth
Post by: radio on February 27, 2006, 05:54:57 AM
What's the level of building difficulty?

My e-mail: jm.ernzer@pt.lu

Thanks for your commitment!

Greetings JME
Title: Re: micro synth
Post by: Mark Hammer on February 27, 2006, 08:34:01 AM
Quote from: radio on February 27, 2006, 05:54:57 AM
What's the level of building difficulty?

Advanced.  Finding all the parts may be fairly difficult for people in some parts of the world.
Title: Re: micro synth
Post by: radio on February 27, 2006, 08:48:11 AM
I never build a PCb letter size.

Depending on the ICs ,I guess I have access to most OTAs,

but am not sure which others would be difficult to buy.

Greetings JME
Title: Re: micro synth
Post by: StephenGiles on February 27, 2006, 01:42:35 PM
The secret of building this amount of ciruitry is to build it a section at a time and make sure that it is working, or at least doing something. There are guides on the circuit as to what should be happening in the control cirutry when a string is plucked - like opamp outputs going high or low. The most difficult section I found was the VCF. I have only built the Mk 1 version by the way, and the VCF is very poorly drawn in my view. Also, forget the power supply when building, I found 2 PP3s sufficient for testing purposes.
Stephen
Title: Re: micro synth
Post by: Primus on February 27, 2006, 03:04:14 PM
Marcos,

Thanks, I emailed you with the e-mail address I found on your web page.
Title: Re: micro synth
Post by: Primus on March 01, 2006, 02:17:29 PM
What size are the PCBs? I'm not sure of the scale from looking at the powerpoint file.

John
Title: Re: micro synth
Post by: christobean on March 01, 2006, 05:18:09 PM
would someone mind sending me the layouts and stuff? thanks a lot!

chrisbaer(AT)comcast(DOT)net

thanks
Title: Re: micro synth
Post by: RaceDriver205 on March 01, 2006, 07:36:43 PM
So what does the synth actually do? What does it sound like?
Has it been built, ie. is this layout tested?
Cheers
Title: Re: micro synth
Post by: Dave_B on March 01, 2006, 08:00:42 PM
Quote from: RaceDriver205 on March 01, 2006, 07:36:43 PM
So what does the synth actually do? What does it sound like?
Has it been built, ie. is this layout tested?
Cheers
Take a look (and listen) here (http://ehx.com/ehx2/Default.asp?q=f&f=%2FCatalog%2F24%5FSynthesis%2F04%5FMicro%5FSynthesizer).
Title: Re: micro synth
Post by: Bill Bergman on March 02, 2006, 09:56:36 PM
You had to go and say no one ever built one didn't ya ;)  http://aronnelson.com/gallery/3dm/MS1


Quote from: Jaicen_solo on February 22, 2006, 07:43:08 AM
I think there are 2 reasons nobody's hosting this project.
Firstly, nobody wants the hassle of people emailing them for suppord.
Secondly, nobody wants the hassle of EHX emailing them with threats.
Besides, there are hundreds of people with the layouts now, but not one has come back to show any results.
Read into that what you will.
Title: Re: micro synth
Post by: Jaicen_solo on March 03, 2006, 06:57:16 AM
Well Bill, i'd have thought everybody knew you'd built one, since you did most of the layouts!
I don't recall seeing anyone else having built one besides you.

p.s. You are a legend ;)
Title: Re: micro synth
Post by: swt on March 03, 2006, 07:48:18 AM
thanks to bill and francisco at tonepad, and many others like munky, i'm one of those who've built it, plus i was the one who made the corrections of the original schem, by tracing a real one. there's a lot of effort envolved in this project, and it works!!!. time has passed since i've built mine, and i've never use it, mainly because i use other synths of my own, with lots of web ideas, that worked better for what i do. so i've converted it to bass synth, and now my bassist is really happy with it. only 3 or 4 caps and a resistor changed, and it's supposed to work better for guitar also. if someone is interested, go build it. it's hard, specially the troubleshooting. and you'll have to do it. there's always a mess up somewhere. ( excuse my english...). just be suer you will use it, because it's an expensive project. also you don't need to use all the ca3094 in all stages, just the one that use the buffer, the rest can have ca or lm 3080. take a look at the datasheet and you'll realise which ones use it or not. Good luck, and happy building...
Title: Re: micro synth
Post by: Bill Bergman on March 03, 2006, 08:05:03 AM
Quote from: Jaicen_solo on March 03, 2006, 06:57:16 AM
Well Bill, i'd have thought everybody knew you'd built one, since you did most of the layouts!
I don't recall seeing anyone else having built one besides you.

p.s. You are a legend ;)

Thanks Jaicen, but I'm only a legend in my own mind :icon_redface:

Thanks to SWT !!!! He provided the fixes and mods that really brought my Micro to life.
Title: Re: micro synth
Post by: soffa on March 09, 2006, 10:28:50 PM
All right....

I started to build this, and I'm in the troubleshooting phase. I've noticed a few things in the schematic that I don't understand. Maybe someone can shed some light on this for my electronics-ignorant self. Let's look at, say, IC A18 on the schematic. I am assuming that this is one of the ICs that could be replaced by a 3080. If I look at the schematic/layout, it seems like the output of the OTA (Pin 6) isn't connected to anything. Also, what seems like it should be the place where the output is connected in the schematic is connected to Pin 1 of the IC, which is an NC in the 3080 and the inhibit input in the 3094. What gives? It dosen't seem like there should be any output from the OTA in this configuration. (and there isn't in what I have completed so far, which is why I'm asking!  :icon_redface:)

Thanks!

soffa

Title: Re: micro synth
Post by: Bill Bergman on March 09, 2006, 10:37:51 PM
Wish I could help, it's been to long ago. I did have some trouble getting it to work. Guess I just got lucky and had help from some of my old friends here.
Title: Re: micro synth
Post by: soffa on March 09, 2006, 10:41:23 PM
Well, Bill - if yours works and you used the layouts that you made, I probably made soem other little mistake. I haven't had time to troubleshoot it totally yet. I just want to understand how the circuit works - it seems funny to me!

soffa
Title: Re: micro synth
Post by: Bill Bergman on March 09, 2006, 11:06:05 PM
I probably had to run jumper to pin or two or something like that. Guess you could use a signal probe to find where it stops. Besides using the signal probe I also used to use a very unscientific way of finger shorting across different parts of a circuit for a quick way to pinpoint an area that might need to be jumpered or probed futher.
Title: Re: micro synth
Post by: soffa on March 10, 2006, 06:09:58 PM
all right, I think I figured out the answer to my own question. Because I'm cheap, I'm using 3080s in any place where they're appropriate (if only I would have stocked up on 3094s ten years ago....). Looking at the data sheet, Pin 1 of the 3094 essentially gives you access to the output of the OTA before the darlington transistor stuff at the end. In the micro synth, the schematic is drawn to use 3094s in all the positions, so to use a 3080 you would have to put a jumper from Pin 6 to Pin 1 of any 3080s you sub into this circuit.

At least, that seems to be what makes mine work...

On another note: I have had this great idea for about two years that I've been sitting on. I was planning on taking an AD633 multiplier chip and making a little ring mod with an Exar XR80308 function generator. Then I saw the schematic for the EH Frequency Analyzer. Oh well - someone already came up with this 25 years ago! Now I was thinking that I'd build it in the same case as the micro synth and incoporate some crazy mixing/routing options for lots of weird sounds. Any comments?

Matt
Title: Re: micro synth
Post by: ReCoC on October 08, 2006, 07:05:07 PM
Hello everyone. Could someone please email me working schem and pcb of the microsynth?

san_gr@yahoo.com

Thanks a lot in advance!
Title: Re: micro synth
Post by: choklitlove on October 08, 2006, 07:13:22 PM
hey, me too.  please.  i had one that someone mailed me, but have since lost it.

please!  thanks!



-choklitlove (at) yahoo.com
Title: Re: micro synth
Post by: Meanderthal on October 08, 2006, 09:04:59 PM
 Yeah, I hunted and searched, maybe I missed something, but I never found the layouts... I have had the schem. forever, but it's a MONSTER! Ot, but I just scored a g-77 and gr-77b setup, so I'm diving into the bass synth world headfirst... hehe!
Title: Re: micro synth
Post by: ReCoC on October 09, 2006, 09:45:42 PM
well...?

nobody has it???
or nobody wants to share it???
Title: Re: micro synth
Post by: RaceDriver205 on October 09, 2006, 09:47:35 PM
Ill put it up on my site this afternoon
Title: Re: micro synth
Post by: KaptenSpark on October 10, 2006, 03:08:55 AM
Quote from: RaceDriver205 on October 09, 2006, 09:47:35 PM
Ill put it up on my site this afternoon

Really? What site is it? the web1000 one doesn't work
Title: Re: micro synth
Post by: RaceDriver205 on October 10, 2006, 08:48:13 AM
Lol, OK, ill put it here:
http://www.geocities.com/race_driver205/msynth.zip (http://www.geocities.com/race_driver205/msynth.zip)
Title: Re: micro synth
Post by: ReCoC on October 10, 2006, 11:17:59 AM
Quote from: RaceDriver205 on October 10, 2006, 08:48:13 AM
Lol, OK, ill put it here:
http://www.geocities.com/race_driver205/msynth.zip (http://www.geocities.com/race_driver205/msynth.zip)
Thank you very much!  ;)
Title: Re: micro synth
Post by: Bernardduur on October 10, 2006, 11:20:27 AM
Thanks man!

I lost mine
Title: Re: micro synth
Post by: RaceDriver205 on October 10, 2006, 08:04:40 PM
Tell us how your builds go!
Ive got mine built, I just have to work out how to fit a ca3080 and transistor into a ca3094 socket.
Title: Re: Microsynth
Post by: TELEFUNKON on May 20, 2010, 04:23:58 AM
Quote from: uncle boko on April 03, 2004, 06:12:38 AM
It really isn't that difficult to build on stripboard so long as you watch what you are doing, I've done it twice (I don't have layouts unfortunately). I would recommend using CA3094 where required, from memory some can be replaced by CA3080, but I am not at home today so don't have access to my circuits. Perhaps if just pins 2,3,5 & 6 are used then a 3080 will do, but let's have a second opinion.

Incidentally, this weekend we are in England's seat of learning - Oxford, my wife is at a language teachers' conference and I have come along for the ride!

second opinion? http://yfrog.com/64schematqj
Title: Re: micro synth
Post by: swt on May 26, 2010, 02:50:39 PM
wow Bill!! thanks to you for the pcbs. that was a long time ago, hah? when everybody were making fuzzes, we manage to get this one working...it was quite a project for me back then, have to say thank you again...
Title: Re: micro synth
Post by: anasounds on July 08, 2013, 06:42:30 PM
Hi ! :)
Can you give me the PCB layout please ?
alexandre.ernandez@gmail.com

Regards,
Alex.
Title: Re: micro synth
Post by: anasounds on August 26, 2013, 04:47:10 PM
Up! ^^
Title: Re: micro synth
Post by: candidate on August 27, 2013, 01:51:02 AM
The diy layout design is about twenty pages long and put together by ten different people.  You would need a suitcase to house it.

I'll see if I can dig it up...
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