Tubes for Instrument Amps

Sovtek 5881WXT Matched Power Tubes

Svetlana EL34 Matched Power Tubes

TELEFUNKEN GZ34-TK Rectifier Tubes

EVH EL34 Power Tubes

EVH 6L6 Power Tubes

MESA/Boogie 5AR4 Rectifier Tube

MESA/Boogie EL-34 STR 447 Power Tubes - Matched Duet

Groove Tubes Gold Series GT-ECC83-S Preamp Tube

Groove Tubes Gold Series GT-12AT7 Preamp Tube

Tung-Sol 5881 Matched Power Tubes