Tubes for Instrument Amps

Electro-Harmonix EL34 Matched Power Tubes

Mullard 12AX7 Preamp Tube

Tung-Sol 6V6GT Matched Power Tubes

Sovtek 12AX7WA Preamp Tube

Electro-Harmonix 6550 Matched Power Tubes

Electro-Harmonix 12AX7EH Preamp Tube

Groove Tubes Gold Series GT-ECC83-S Preamp Tube

Groove Tubes Gold Series GT-EL84-S Matched Power Tubes

Mullard EL34 Tube

Tung-Sol 6550 Tube

Groove Tubes Gold Series GT-12AT7 Preamp Tube

Sovtek 5881WXT Matched Power Tubes

Svetlana EL34 Matched Power Tubes

EVH EL34 Power Tubes

MESA/Boogie 6L6 GC STR 448 Power Tubes (DUET)

Groove Tubes Gold Series GT-E34L-S Matched Power Tubes

Tung-Sol 5881 Matched Power Tubes

Groove Tubes Gold Series GT-6L6-S Matched Power Tubes