Grateful Dead Music Forum

A place to talk about the music of the Grateful Dead 

 #137698  by TeeJay
 Wed Mar 19, 2014 8:33 pm
Does anybody have the tube layout/positions of the GT Trio preamp? The board is just labeled 12ax7. How do you know what is V1 ect.?
 #137738  by TeeJay
 Fri Mar 21, 2014 6:26 pm
From the GT Trio manual:
V1 V2 Scream
V3 Clean
V4 Mean
V5 Clean
V1 being closest to the input jack.

My wife always told me read the directions first.