Tubes for Instrument Amps

Ruby 6V6 Matched Amp Tubes

Electro-Harmonix EL84 Matched Power Tubes

Tung-Sol 6L6GC STR Matched Power Tubes

Tung-Sol 12AX7 Tube

Electro-Harmonix EL34 Matched Power Tubes

Mullard 12AX7 Preamp Tube

Sovtek 12AX7WA Preamp Tube

Electro-Harmonix 12AX7EH Preamp Tube

Mullard EL34 Tube

Tung-Sol 6V6GT Matched Power Tubes

Sovtek 5881WXT Matched Power Tubes

Sovtek EL84 Matched Power Tubes

Svetlana EL34 Matched Power Tubes

Ruby EL34CZ Matched Power Tubes

Ruby EL84CZ Ruby Tube Premium Matched

Ruby 6L6GCCZ Matched Amp Tubes

Ruby ECC83 (12AX7A) Ruby Tube Preamp Tube

VHT Tube Tester

Electro-Harmonix 6550 Matched Power Tubes

Tung-Sol 6550 Tube

Tung-Sol 5881 Matched Power Tubes