Mailist to discuss all issues regarding the Digitech GSP-2101 Guitar FX Processor group photo

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Mailist to discuss all issues regarding the Digitech GSP-2101 Guitar FX Processor

Index last updated: 2026-04-28 23:25 UTC

Message

Tubes

2006-09-17 by David Donohue

--- In gsp-2101@yahoogroups.com, David Donohue <donohue.d@...> wrote:
>
> I'm getting a 2101 on Wed.  I have an Electroharmonix 12at7 for the 
high gain and a N.O.S. Sylvania 12au7 for the clean.  Forgot where 
the high gain tube is insided the unit.  Any help?
> saber540ltd <saber540ltd@...> wrote:          To be quite honest, 
you're treating the symptom instead of the 
> disease. You shouldn't need a fan. I would have replaced the 
voltage 
> regulator(s) first. They're very common and easy to find in any 
> electronics supply store.
> 
> --- In gsp-2101@yahoogroups.com, "james roberson" <blakhaus@> 
> wrote:
> >
> > Hi everyone, I am new here and just wanted to tell you guys about 
> my upgrade 
> > to my 94 2101. It has the latest firmware, 20mhz crystal and ppc-
> 210. I 
> > installed a 120mm fan in the lid over the power supply and let me 
> tell you 
> > WOW!! The heatsink is now out of a job. The fan has a dedicated 
> power supply 
> > outside of the 2101. I did this mod because my 2101 would lockup 
> after 30 
> > min or so, when I put my hand on the heatsink OUCH!! blazing hot; 
> now the 
> > heatsink does'nt even get warm. The best part is no more 
lockups!! 
> > AWESOME!!!
> > 
> > Just a little 
> info for ya, 
> > James
> > 
> > __________________________________________________________
> > Got something to buy, sell or swap? Try Windows Live Expo 
> > ttp://clk.atdmt.com/MSN/go/msnnkwex0010000001msn/direct/01/?
> href=http://expo.live.com/
> >
> Well after some trial and error the best combination for that old 
school crunch is Penta in V1 and Electroharmonix in V2.

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