Tube Amp Doctor

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

  • TAD Redbase EL84-STR with box image

    TAD EL84-STR Singles Matched Pairs Quads

     From £23.08

    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 Solid State rectifier replaces GZ34 5U4GB 5Y3S

    TAD Solid State Rectifier

     £20.40 (ex. tax: £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-6L6GCM-STR-REDBASE with new red box

    TAD 6L6GCM-STR Redbase Matched Sets

     From £34.91

    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 Redbase 7025 Premium valve and box image

    TAD 7025 REDBASE HIGHGRADE

     £31.40 (ex. tax: £26.17)

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

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