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

Re: [gsp-2101] homepage under construction!

2001-12-28 by BlueBandit20@aol.com

Hey Dieter:

Your website looks KILLER!!! GREATJOB!!! I only looked at it briefly and it looks like it has a wealth of info on the 2101. Again, GREAT JOB and THANKS!!!

Also I have never checked the voltage on my 2101:

You wrote:
"Hallo Blue Bandit!


Hmmmm.... the first thing I would try is a factory reset (press and hold "1", switch on 2101, release "1", press "up"). Dont forget to bulk dump before doing this.

Have you experienced any other abnormalities?
Then check, if the problem only appears on one Tube- section or on both.
Check the voltage on the optocoupler pin 1 (U37 for V1 and U38 for V2). The voltage is the Gian - control- Voltage. It must be the same in both cases (failure appears or not).
Tell me the results."

What is bulk dumping? I don't have my 2101 hooked up to my computer ... how do i do it? I imagine that "dumping" is saving the settings ..right? I know .. I am not an electronics wizard, but I have dabbled with many electronic components!!! LOL!!

I also downloaded your schematic for the 2101, so I should be able to find U37 and U38. ;The voltages should be what x dc??? Or does it only matter that they are equal?

Thanks for your help and access to your website!!!

BLUE BANDIT #20

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