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DIYstompboxes.com  |  DIY Stompboxes  |  Building your own stompbox  |  ORPHEUM FUZZ ! 0 Members and 1 Guest are viewing this topic. « previous next »
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Author Topic: ORPHEUM FUZZ !  (Read 8425 times)
Dan N
Posts: 1076

Dan N


Re: ORPHEUM FUZZ !
« Reply #40 on: January 13, 2007, 03:05:38 PM »

There seem to be different versions. Ryan posted some cool pics in this thread:

http://www.diystompboxes.com/smfforum/index.php?topic=46251.0

Analogguru has a schematic here for a Ge version:

http://analogguru.an.funpic.de/

The values Yun posts must come from a third version.

Funny, when we worked on Ryan's pedal, I unknowingly had Analogguru's schematic in my files. In retrospect, I would have just adjusted his schematic to reflect the changed values of the new version.
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analogguru
Posts: 449


WWW
Re: ORPHEUM FUZZ !
« Reply #41 on: January 14, 2007, 02:07:12 PM »

Maybe you look for comparision purposes at the Fuzz part schematic of the "Acoustic 360" and the "Benson 330H" posted (new) on my site.

Acoustic 360 uses a silicon for the first stage and a Germanium for the second stage.
For the 2 N 1306 you can use an AC127 or similar.

In principle the Orpheum is a copy of the early Mosrite Fuzzrite - you can find inside pictures and a schematic here:

http://eu11.stripper.jp/pulcino/blog/archives/cat_mosrite_fuzzrite.html

also the early Guild Axis-Fuzz used the same circuit, inside-picture can be found here:

http://www.electroharmonix.ronsound.com/gallery/foxey/foxey_lady.jpg

they only changed the input resistor from 10 M to 2x 10 M in paralell = 5 M.

All silicon version used the 100k (in series with 47k) in the collector of the second stage.

when i find some time i will write an article of this stuff with nice pictures.

The Orpheum Fuzz was also sold as the E.U. Wurlitzer "Fuzzer Buzzer":



analogguru
« Last Edit: January 14, 2007, 02:24:05 PM by analogguru » Logged
Dan N
Posts: 1076

Dan N


Re: ORPHEUM FUZZ !
« Reply #42 on: January 14, 2007, 06:13:40 PM »

Very interesting! Thanks!
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nightingale
Posts: 617

RyanS - Denver, Co


WWW
Re: ORPHEUM FUZZ !
« Reply #43 on: January 14, 2007, 08:18:10 PM »

Cool,
Let me know if you need any pics of the one seen in the other thread for your article.
I am now the owner of that one.
regards,
ry
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Yun
Posts: 680


Yun-Jinn Pequesso'


Re: ORPHEUM FUZZ !
« Reply #44 on: January 15, 2007, 02:36:50 PM »

here's my take on this fuzz, i mostly stayed true to the amplifier handbook that i said about in my earlier post....



I just built it like that and it sounds AMAZING!  Much more thicker, and nastier tone.  Think of it as a maestro fuzz-tone with a thicker and meaner attitude.  The tone control sounds very (shockingly) much like the BMP's tone stack....

ENJOY!!!!!
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"It's Better to live a lie, and forget the past, then to Forget a lie, and live the past"
lucaneo
Posts: 26


Re: ORPHEUM FUZZ !
« Reply #45 on: June 10, 2008, 09:00:14 AM »

Can you make some samples?

I've done a layout of your mod...http://img208.imageshack.us/my.php?image=orpheumfuzzmodificacr5.gif
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The French connection
Posts: 739


Dan, Qc/Canada


Re: ORPHEUM FUZZ !
« Reply #46 on: June 10, 2008, 09:06:27 AM »

There's a lot of stuff in the layouts gallery...

http://www.aronnelson.com/gallery/main.php/v/DRAGONFLY-LAYOUTS_0/album18/album144/album109/orphclone2.mp3.html

Dan

Edit: hum but not necessary with the mod...
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I know, but the pedal i built does not boost...it just increases volume!
My picture files:
http://www.aronnelson.com/gallery/main.php/v/French+connection/
http://s193.photobucket.com/albums/z4/letournd/Pedal/
lucaneo
Posts: 26


Re: ORPHEUM FUZZ !
« Reply #47 on: June 10, 2008, 10:16:36 AM »

I've built the orpheum fuzz, it's nice, but for me it is uncontrollable ( I would have built the mostrite, but I've made this and I  wanna mod it  icon_wink)
So" the Yun mod" seems cool and I was asking a sample about it....
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GREEN FUZ
Posts: 1484


Re: ORPHEUM FUZZ !
« Reply #48 on: June 11, 2008, 11:46:18 AM »

I've built the orpheum fuzz, it's nice, but for me it is uncontrollable...
In what way? Can you describe the symptoms?
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lucaneo
Posts: 26


Re: ORPHEUM FUZZ !
« Reply #49 on: June 11, 2008, 02:32:28 PM »

It's not easy...By the way there is lot of noise, too trebles tone and I use it only with ds-2 or ts 808...Only orpheum is not a good sound for me.  I've listened the Dragonfly germanium mosrite and it seems really better. Anyway the Yun mod seems good, I believe I'll try it!
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tcobretti
Posts: 2025


Travis B


WWW
Re: ORPHEUM FUZZ !
« Reply #50 on: June 11, 2008, 04:19:28 PM »

All of that style of fuzz are very trebly.  You can try to fatten it up by using a larger output cap.  The Germanium Mosrite will not be much less trebly.  If you want fat fuzz you should build a Fuzz Face.
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GREEN FUZ
Posts: 1484


Re: ORPHEUM FUZZ !
« Reply #51 on: June 11, 2008, 04:30:44 PM »

Swapping the .0022uf cap for a higher value makes a difference aswell. Try a .01uf to start with.

EDIT: On the original schematic that is.
« Last Edit: June 11, 2008, 04:34:43 PM by GREEN FUZ » Logged
lucaneo
Posts: 26


Re: ORPHEUM FUZZ !
« Reply #52 on: June 12, 2008, 07:51:09 AM »

ok thx!
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