V1 Mod on 2203


Considered by many to be the ultimate rock amp

Posts: 5

Joined: Sun Nov 07, 2010 6:40 pm

Post Tue Feb 22, 2011 5:48 pm

V1 Mod on 2203

Hi All!
I opended my 2203 (77) and see two 39K (orange/white/orange) on V1 pin 2 and pin 6... Two shielded wires are running from input jacks to V1. What is this mod :?:

Did J
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Posts: 5

Joined: Sun Nov 07, 2010 6:40 pm

Post Wed Feb 23, 2011 10:31 am

Re: V1 Mod on 2203

Anybody here 8-)

C'mon, need help for that ;)

Did J

Posts: 9

Joined: Thu Apr 01, 2010 7:46 am

Post Sun Aug 07, 2011 9:26 am

Re: V1 Mod on 2203

hi
the mod only lower the value of the input grid res. (from 68K to 39K - one for each input) in order to achieve a darker tone.
The lower the res. the darker the tone and the more "pepper" in the preamp.
Do not remove that res. at all.
bye
hot

Posts: 5

Joined: Sun Nov 07, 2010 6:40 pm

Post Sun Oct 16, 2011 9:53 pm

Re: V1 Mod on 2203

Hey hotguit ! thank you so much to answer my question, I was thinking that nobody was here :mrgreen:
you right this amp is deadly dark, it's make sense now !

Did J

Posts: 9

Joined: Thu Apr 01, 2010 7:46 am

Post Fri Jan 20, 2012 10:41 am

Re: V1 Mod on 2203

:D :D
hot

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