Top 10 best-selling Amp Valves

The Electro Harmonix 12AX7 (ECC83, 7025) preamplifier tube gives your guitar or bass amp an articulated, musical tone with ultra-low noise and high gain.

This is the Tube Amp Doctor 7025 / E83CC Redbase Highgrade Selection (supplied individually). This is a single preamp tube, intended for a tube amp for electric guitar.

This matched pair of Tube Amp Doctor 6V6GT-STR Premium tubes can be installed to pack any tube-driven guitar amplifier with some boosted, 6V6GT style flavour.

This Tube Amp Doctor 6L6GCM-STR Redbase pack wraps up a full matched quartet of Selected Premium valves designed for souping up the power amp section of tube-driven guitar amplifiers.

Pop the Tube Amp Doctor 12AX7 / ECC83 Redbase Premium Selected preamp tube into your tube guitar amplifier and get treated to sugar-coated trebles, rich mids and tight lows.

This is the Tube Amp Doctor RT001 12AX7A/ECC83 - C replacement preamp valve for valve guitar amplifiers.

Install this matched pair of Tube Amp Doctor EL84M Premium power amplifier valves and pull some sweet saturation out of your guitar amplifier at lower volume levels.

Install this matched pair of Tube Amp Doctor EL34-STR Redbase power amplifier valves and pull some sweet saturation out of your guitar amplifier at lower volume levels.

The Tube Amp Doctor 6L6WGC-STR Redbase Small Bottle Premium Duet wraps up two 6L6GC-style power amp valves designed to raise the game of any tube-driven electric guitar amplifier.

This Tube Amp Doctor preamp tube was standard issue in vintage tweed amplifiers in the fifties. Now, you can replace your 12AX7 with the TAD 12AY7/6072A Selected and get more tweed in your tone!