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LS3/5A loudspeaker, 1974.

LS3/5A loudspeaker, 1974.
3 4 c m
actual image size: 32cm x 26cm


The design of loadspeakers is exceptionally difficult because the ear is able to detect very slight errors in the translation from electrical signals to sound. This loudspeaker uses separate transducers for low and high frequencies. A 'crosover' filter ensures that each transducer is fed only the signal it needs.

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© Science Museum / Science & Society Picture Library

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