Avantone Valve Microphones / Avantone BV1 Valve Studio Microphone 6072A Harma Retro Gold Pin Kit

Avantone BV1 Valve Studio Microphone 6072A Harma Retro Gold Pin Kit Click on image(s) above to view larger

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

The Harma 6072A Retro Gold pin is a special low noise valve which is designed and selected for Valve microphones.
This valve follows the same design as the Original American made General Electric 6072A and features gold pins with a 22 mm glass envelope and has a short plate design to reduce microphonics.

Sonically the valve has lots of clean headroom and upper end transparency which makes them perfectly suited for valve microphone.

The Harma Retro 6072A Gold pin are specially selected for low noise and balanced triodes for use in the BV1. These valves have then undergone a controlled in burn in process by us and then the triodes are matched on dB gain for the ultimate audio performance.

The kit consists of 1 valve

1 Specially Balanced Harma Retro 6072A Gold Pin

All Harma 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



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