Tube Amp Doctor

Tube Amp Doctor (TAD) offers top-quality, premium tested valves/tubes. Includes a 180-day warranty.

TAD 6V6GT-STR Redbase Matched Pair
£50.88

With the TAD 6V6GT-STR REDBASE Premium matched pair, TAD has succeeded in combining the tonal characteristics of an NOS 6V6GT, such as from RCA or GE, with the current requirements of modern amps. It is a heavy duty 6V6GT valve, which can handle a higher plate voltage than regular 6V6GT valves.

Matched in Germany. Made in China.

180 day warranty.
TAD Solid State Rectifier
£17.00

Replace your valve rectifier with a long-life solid state alternative. Replaces 5Y3, 5AR4, 5U4 and GZ34 types. Just plug and play. Made in Germany.
TAD EL84-STR Singles Matched Pairs Quads
From £19.23

TAD EL84-STR REDBASE series singles, matched pairs and quads. A superb replacement for Russian EL84s and EL84Ms. The TAD EL84-STR does not fit into older Marshall DSL401 made till week number 20 in 2014 and UK-made VOX AC15 TBX amplifiers of the same time range. This is due to the 22.5mm diameter.

Made in China, fully tested graded and matched in Germany.

180 day warranty.
TAD 6L6GCM-STR Redbase Matched Sets
From £29.09

TAD 6L6GCM-STR Redbase Premium Selected is a superb choice of 6L6. Avalabel as singles and matched sets

Made in China.

180 day warranty.
TAD 7025 REDBASE HIGHGRADE
£26.17

A premium selected 7025 for warm clean tones and creamy overdrive. Excellent for Blackface and Silverface Fender amps including re-issue versions,

TAD 6V6GT-STR Redbase Matched Pair