Tone generator

Made:
1967 in London

Tone generator, 440 Hz, by Dancol Engineering Ltd., used in the Queen Elizabeth Hall, London, from 1967 to about 1998 to provide warning of the start of performances: the mechanism uses a metal gong struck by a hammer and fitted with a transducer connected to an amplifier.

Details

Category:
Acoustics
Object Number:
1999-884
type:
tone generator
credit:
Queen Elizabeth Hall

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