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AMT Speaker/Cab simulation circuit

Started by J0K3RX, April 01, 2012, 10:22:47 PM

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J0K3RX

April 01, 2012, 10:22:47 PM
I think the AMT stomps have a very good cab simulation output! So, I was surfing around their site and stumbled upon this... I thought somebody besides myself might be interested..?

Doesn't matter what you did to get it... If it sounds good, then it is good!

deadastronaut

#1
April 02, 2012, 06:38:39 AM Last Edit: April 02, 2012, 06:45:05 AM by deadastronaut
hi jim: if going by the other stuff the ruskies do then this should be very good!....i'm interested. :icon_cool:

have you tried it yet?...


?  where it says 1000 is that nf  or pf ?... :-\
https://www.youtube.com/user/100roberthenry
https://deadastronaut.wixsite.com/effects

chasm reverb/tremshifter/faze filter/abductor II delay/timestream reverb/dreamtime delay/skinwalker hi gain dist/black triangle OD/ nano drums/space patrol fuzz//

J0K3RX

#2
April 02, 2012, 08:25:52 AM
Quote from: deadastronaut on April 02, 2012, 06:38:39 AM
hi jim: if going by the other stuff the ruskies do then this should be very good!....i'm interested. :icon_cool:

have you tried it yet?...


?  where it says 1000 is that nf  or pf ?... :-\
Rob,

I haven't tried it, yet! But real soon...

I saw the 1000 as well,  I assumed it was 1uF = 1000nF?

This would be a nice addition to the Spitfire!?

~Jim
Doesn't matter what you did to get it... If it sounds good, then it is good!

deadastronaut

#3
April 02, 2012, 08:28:00 AM Last Edit: April 02, 2012, 08:29:52 AM by deadastronaut
cool, i'll have to update this then...oopps and the pot values.. . ::)


just did a layout for it....unverified obviously... ;)
https://www.youtube.com/user/100roberthenry
https://deadastronaut.wixsite.com/effects

chasm reverb/tremshifter/faze filter/abductor II delay/timestream reverb/dreamtime delay/skinwalker hi gain dist/black triangle OD/ nano drums/space patrol fuzz//

J0K3RX

#4
April 02, 2012, 08:30:14 AM Last Edit: April 02, 2012, 08:33:44 AM by J0K3RX
Quote from: J0K3RX on April 02, 2012, 08:25:52 AM
Quote from: deadastronaut on April 02, 2012, 06:38:39 AM
hi jim: if going by the other stuff the ruskies do then this should be very good!....i'm interested. :icon_cool:

have you tried it yet?...


?  where it says 1000 is that nf  or pf ?... :-\


Also T1 thru T4 are BFT46... Those are surface mount as far as I could find. I can do smd not a prob but I wonder if there are any subs in through hole?

Damn that was fast!!!
Doesn't matter what you did to get it... If it sounds good, then it is good!

deadastronaut

#5
April 02, 2012, 08:33:39 AM
i thought they would be just fets...j201's, ...etc etc...
https://www.youtube.com/user/100roberthenry
https://deadastronaut.wixsite.com/effects

chasm reverb/tremshifter/faze filter/abductor II delay/timestream reverb/dreamtime delay/skinwalker hi gain dist/black triangle OD/ nano drums/space patrol fuzz//

J0K3RX

#6
April 02, 2012, 08:34:46 AM
Quote from: deadastronaut on April 02, 2012, 08:33:39 AM
i thought they would be just fets...j201's, ...etc etc...

yeah, they probably would work...
Doesn't matter what you did to get it... If it sounds good, then it is good!

deadastronaut

#7
April 02, 2012, 08:36:25 AM Last Edit: April 02, 2012, 08:38:22 AM by deadastronaut
cool, might have to bread it when i get time...and a spare board ::)

ive got 3 things on the go at the mo. :P


i'm guessing we could swap that 300k R6 for a pot too....hmmmm... :icon_twisted:
https://www.youtube.com/user/100roberthenry
https://deadastronaut.wixsite.com/effects

chasm reverb/tremshifter/faze filter/abductor II delay/timestream reverb/dreamtime delay/skinwalker hi gain dist/black triangle OD/ nano drums/space patrol fuzz//

J0K3RX

#8
April 02, 2012, 09:43:38 PM Last Edit: April 02, 2012, 10:03:20 PM by J0K3RX
I have an AMT Legend P1 which is a 5150 sim and an AMT SS-30 which is a real beast... I think I am gonna open up the P1 and see what's up.. pretty sure it's 2 sided with a combination of surface mount and through hole.. BTW - they both sound incredible!!!

My Fluke meter doesn't do a real good job at checking caps...  :icon_sad:

Edit: Just opened up the P1 and there are only 3 surface mount caps on the bottom... I didn't take it completely out of the box yet but I can see one of the through hole caps from the battery compartment and it looks like they somehow smeared the writing/markings on the cap... So, I really can't read it.
Doesn't matter what you did to get it... If it sounds good, then it is good!

Ice-9

#9
April 03, 2012, 05:15:32 AM
The AMT cab sim in the Legend series P1 and S1preamp pedals isn't the same circuit as the one posted above. I have both these pedals and traced out the S1. The cab sim is the same in both pedals, although it is very similar to the one posted above it is a bit more simplified.

The pedals use 2SK208R (JR) jfets and BAT54C diodes to simulate the valve curves of the amps they are emulating.
www.stanleyfx.co.uk

Sanity: doing the same thing over and over again and expecting the same result. Mick Taylor

Please at least have 1 forum post before sending me a PM demanding something.

J0K3RX

#10
April 03, 2012, 06:11:46 AM
Quote from: Ice-9 on April 03, 2012, 05:15:32 AM
The AMT cab sim in the Legend series P1 and S1preamp pedals isn't the same circuit as the one posted above. I have both these pedals and traced out the S1. The cab sim is the same in both pedals, although it is very similar to the one posted above it is a bit more simplified.

The pedals use 2SK208R (JR) jfets and BAT54C diodes to simulate the valve curves of the amps they are emulating.

Hey Mick... You didn't happen to post your schematic in another forum did you? :icon_wink:
Doesn't matter what you did to get it... If it sounds good, then it is good!

deadastronaut

#11
April 03, 2012, 06:14:21 AM
+1.. ;D
https://www.youtube.com/user/100roberthenry
https://deadastronaut.wixsite.com/effects

chasm reverb/tremshifter/faze filter/abductor II delay/timestream reverb/dreamtime delay/skinwalker hi gain dist/black triangle OD/ nano drums/space patrol fuzz//

Ice-9

#12
April 03, 2012, 06:40:57 AM Last Edit: April 03, 2012, 06:45:45 AM by Ice-9
Quote from: J0K3RX on April 03, 2012, 06:11:46 AM
Quote from: Ice-9 on April 03, 2012, 05:15:32 AM
The AMT cab sim in the Legend series P1 and S1preamp pedals isn't the same circuit as the one posted above. I have both these pedals and traced out the S1. The cab sim is the same in both pedals, although it is very similar to the one posted above it is a bit more simplified.

The pedals use 2SK208R (JR) jfets and BAT54C diodes to simulate the valve curves of the amps they are emulating.

Hey Mick... You didn't happen to post your schematic in another forum did you? :icon_wink:

Indeed I did, search AMT legend S1 (final schematic is halfway down page 2)
www.stanleyfx.co.uk

Sanity: doing the same thing over and over again and expecting the same result. Mick Taylor

Please at least have 1 forum post before sending me a PM demanding something.

deadastronaut

#13
April 03, 2012, 07:19:26 AM
cool, cheers mick, did you ever build it?..

i may have to try that tonestack too....hmmm... :icon_cool:
https://www.youtube.com/user/100roberthenry
https://deadastronaut.wixsite.com/effects

chasm reverb/tremshifter/faze filter/abductor II delay/timestream reverb/dreamtime delay/skinwalker hi gain dist/black triangle OD/ nano drums/space patrol fuzz//

J0K3RX

#14
April 03, 2012, 08:18:59 AM Last Edit: April 03, 2012, 08:30:49 AM by J0K3RX
I can tell you that the AMT S1, P1, E1 are some of the best sounding "preamp" pedals out!!

And the SS-30 is insane!!! :icon_twisted:
http://www.youtube.com/watch?feature=player_embedded&v=i7n2_6wuhys
Doesn't matter what you did to get it... If it sounds good, then it is good!

deadastronaut

#15
April 03, 2012, 08:24:31 AM
that sounds the @#$%ing nuts.....very :icon_twisted:
https://www.youtube.com/user/100roberthenry
https://deadastronaut.wixsite.com/effects

chasm reverb/tremshifter/faze filter/abductor II delay/timestream reverb/dreamtime delay/skinwalker hi gain dist/black triangle OD/ nano drums/space patrol fuzz//

J0K3RX

#16
April 03, 2012, 08:32:21 AM
Quote from: deadastronaut on April 03, 2012, 08:24:31 AM
that sounds the @#$%ing nuts.....very :icon_twisted:

Yes Rob, PLEASE do check out the tone stack on that schematic! :icon_biggrin:


I know, @#$%ing nuts!!! All of the Legend pedals have that sound pretty much!!
Doesn't matter what you did to get it... If it sounds good, then it is good!

deadastronaut

#17
April 03, 2012, 08:37:17 AM
@jim: i pm'd ya!... ;)
https://www.youtube.com/user/100roberthenry
https://deadastronaut.wixsite.com/effects

chasm reverb/tremshifter/faze filter/abductor II delay/timestream reverb/dreamtime delay/skinwalker hi gain dist/black triangle OD/ nano drums/space patrol fuzz//

J0K3RX

#18
April 03, 2012, 08:53:39 AM
Quote from: deadastronaut on April 03, 2012, 08:37:17 AM
@jim: i pm'd ya!... ;)

I pm'd ya back  :icon_wink:
Doesn't matter what you did to get it... If it sounds good, then it is good!

deadastronaut

#19
April 03, 2012, 08:56:19 AM
 :icon_twisted: :icon_cool: :icon_cool: :icon_cool: ;)
https://www.youtube.com/user/100roberthenry
https://deadastronaut.wixsite.com/effects

chasm reverb/tremshifter/faze filter/abductor II delay/timestream reverb/dreamtime delay/skinwalker hi gain dist/black triangle OD/ nano drums/space patrol fuzz//
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