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Three-stage amplifier and equaliser
- Made:
- 1931-1940
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Three-stage amplifier and equaliser, inscribed ‘I J EQUALISER E.M.I. STUDIOS LTD LONDON’, designed for use with the EMI HB1 moving-coil microphone designed by A D Blumlein and H E Holman, 1931-1940
Details
- Category:
- Sound Reproduction
- Object Number:
- 2008-42
- Materials:
- metal (unknown), plastic (unidentified) and paint
- Measurements:
-
overall: 230 mm x 120 mm x 160 mm, .8kg
- type:
- amplifier
- credit:
- Purchased