Fender 68 Custom Princeton Reverb
VI JJ12ax7 - preamp channel
V2 JJ 12at7 - reverb driver
V3 JJ 12ax7 - 1/2 reverb recovery and 1/2 2nd gain stage
V4 JJ 12ax7 - 1/2 vibrato and 1/2 phase inverter
V5 JJ 6V6GT - output tube #1
V6 JJ 6V6GT - output tube #2
V7 Sovtek 5ar4/GZ34 - rectifier tube
Output tubes are supplied as a matched pair.