Hi guys, i don't want to open a new topic, so, let's hope that someone can help me here :-)
So, i finilly put everthing back to my preamp:
Reverb Tank - Reverb Transformer - EQ/Reverb Jack & the reverb tube is a 12AT7/ECC81 (and came with JJ tubes, i'm tring to find out which excactlly), when...