Three-stage amplifier and equaliser

Made:
1931-1940
maker:
Electric and Musical Industries Limited
Three-stage amplifier and equaliser, inscribed ?I J EQUALISER E Three-stage amplifier and equaliser, incribed 'I J EQUALISER E Three-stage amplifier and equaliser, incribed 'I J EQUALISER E

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Creative Commons LicenseThis image is released under a CC BY-NC-SA 4.0 Licence

Buy this image as a print 

Buy

License this image for commercial use at Science and Society Picture Library

License

Creative Commons LicenseThis image is released under a CC BY-NC-SA 4.0 Licence

Buy this image as a print 

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License this image for commercial use at Science and Society Picture Library

License

Three-stage amplifier and equaliser, inscribed ?I J EQUALISER E
Science Museum Group
© The Board of Trustees of the Science Museum

Three-stage amplifier and equaliser, incribed 'I J EQUALISER E
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Three-stage amplifier and equaliser, incribed 'I J EQUALISER E
Science Museum Group Collection
© 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), plastic (unidentified) and paint
Measurements:
overall: 230 mm x 120 mm x 160 mm, .8kg
type:
amplifier
credit:
Purchased