Electro Harmonix / ECC82/12AU7A-ELECTRO HARMONIX

ECC82/12AU7A-ELECTRO HARMONIX ECC82/12AU7A-ELECTRO HARMONIX Click on image(s) above to view larger
Select Test Options
  • Factory Tested
  • Balanced (Triodes)

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

Electro Harmonix is the top end brand which is owned by the Sovtek corp. Many of these valve designs are new designs based on old classic items.
The Electro Harmonix 12AU7A ECC82 is based on the original American short plate design. The valve has internal anode supports and thick grade glass which makes it very low in microphonics. The valve has a clear and well balanced sound.

In musical terms, The Electro Harmonix offers far better sound quality than the Chinese production ECC82.

The 12AU7 Electro Harmonix is fully equivalent to the European ECC82 and can be used in any 12AU7 or ECC82 circuit.

This valve offers excellent sound quality with a clear and well balanced sound

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

All Balanced pre amp 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



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