Groove tubes GT-6V6-S Med Duet Tube
Med output 6V6. This tube has more of the character of a 6L6 than 6V6 in many amps. These handle plate voltages in excess of 475 plate volts and have a very agressive tone and long life.
Pair of power tube GT-6V6-S Med
(Med= 4-7. Standard performance, ideal for playing all styles)
Ref. Euroguitar : 55446