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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

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Re: [gsp-2101] calibrate

2011-06-20 by Graham Pearson

Regarding a source for 12AX7 tubes, I repeat my previous recommendation, Doug's Tubes:
http://www.dougstubes.com/preamp-tubes/12ax7-ecc83-7025.html?limit=all
Doug has sold me a bunch of tubes for my Randall RP2/50 and RM4 setup and he's always been dependable, honest, and ships promptly.
----- Original Message -----
From: M M
Sent: Sunday, June 19, 2011 9:29 PM
Subject: RE: [gsp-2101] calibrate

It's confusing but it seems like many people are buying whatever tubes and putting them in and it works fine? I see that its possible that your 2101 might sound different from another 2101 by doing it this way (not necessarily bad?). If it means that slight gain adjustments might have to be made between units I might be able to live with that. I only really use my 2nd unit as a backup.

Does digitech still sell tubes for these?



"Never put off till tomorrow what you can ignore entirely."


To: gsp-2101@yahoogroups.com
From: mikedv1@...
Date: Sun, 19 Jun 2011 21:50:49 +0000
Subject: [gsp-2101] calibrate

How do you calibrate preamp tubes for the 2101?


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