Tube Amp Doctor / ECC83/12AX7A-C-TAD RT001

ECC83/12AX7A-C-TAD RT001 Click on image(s) above to view larger
£18.00
Select Test Options
  • Factory Tested
  • Balanced (Triodes)

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All prices contained on this page are exclusive of VAT. This is currently charged at 20% and is payable by the UK only.


A test report is available click here to view

Tube Amp Doctor are a German distributor that selects and re brands valves from the principally the Chinese factory. They offer a range of their own branded parts and supplies which are sourced throughout the world.
The TAD 12AX7A-C provides very good gain, tight deep bass and silky crunchy top end with overall definition and brightness.

The reason many people like the Chinese item is that it offers earlier distortion than other current production items from Harma, Sovtek, JJ and Groove tubes.

Improvements have been made in terms of the tone of this valve as it produces a nice crunch with plenty of bass definition with reduced hardness. This is a great rock tube when used in old 4 inputs Marshall amps and are also a great metal grunge valve in high gain amps. These items are branded and selected by Tube Amp Doctor

We offer two options:
1) Factory tested
2) Balanced -matched triode sections for Phase splitter, Audio & Tube microphones

All Balanced preamp valves are Dynamically Drive tested under real working condition have passed the following tests:

Gain (db) Drive Tested
Transconductance (gm) Drive Tested
Output Drive Tested
Noise 1 (signal to noise)
Noise 2 (Aural)
Microphonics Test 1(Ambient)
Microphonic Test 2 (Shock)
Cathode Test
Grid Leakage Test

If you want a matched pair then by ordering 2 of the balanced valves you will get a matched pair

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