Tubes for Instrument Amps

Ruby 12AX7AC5 Preamp Vacuum Tube

MESA/Boogie 6L6 GC STR 448 Power Tubes Matched Pair

Ruby EL84CZ Premium Tube Matched Pair

Ruby 6L6GCCZ Matched Amp Tubes

Ruby ECC83/12AX7A Preamp Tube

Groove Tubes GT-12AY7 Select Preamp Tube

MESA/Boogie 5Y3 Rectifier Tube

Groove Tubes Gold Series GT-6V6-S Matched Power Tubes

Groove Tubes Gold Series GT-12AT7 Preamp Tube

Tung-Sol 5881 Matched Power Tubes

Svetlana EL34 Matched Power Tubes