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

V1 is the tube closest to the front panel.
Clean Tube uses only V1.
For Distorted and Saturated Tube settings, the signal goes through 
both V1 and V2 in series.

--- In gsp-2101@yahoogroups.com, "Pedro Ferreira" 
<pedro_mig_ferreira@n...> wrote:
> - Witch is V1 and V2?
> - To get less gain in "Clean Tube" what is the tube I should use?
> - Sovtek 12AX7PLS or Electro Harmonix??