Three-stage amplifier and equaliser

Made:
1931-1940
maker:
Electric and Musical Industries Limited
Three-stage amplifier and equaliser, incribed 'I J EQUALISER E.M.I. STUDIOS LTD LONDON'. Top angled view. Black Three-stage amplifier and equaliser, incribed 'I J EQUALISER E.M.I. STUDIOS LTD LONDON'. Top angled view. Black Three-stage amplifier and equaliser

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Three-stage amplifier and equaliser, incribed 'I J EQUALISER E.M.I. STUDIOS LTD LONDON'. Top angled view. Black
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Three-stage amplifier and equaliser, incribed 'I J EQUALISER E.M.I. STUDIOS LTD LONDON'. Top angled view. Black
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Three-stage amplifier and equaliser
Science Museum Group
© The Board of Trustees of the Science Museum

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), paint and plastic (unidentified)
Measurements:
overall: 230 mm x 120 mm x 160 mm, .8kg
type:
amplifier