Epoch moving coil loud speaker, model 66F

Epoch moving coil loud speaker model 66F

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Epoch moving coil loud speaker model 66F
Science Museum Group
© The Board of Trustees of the Science Museum

Epoch moving coil loud speaker model 66F, with one extra coil and diaphragm

Details

Category:
Radio Communication
Object Number:
1929-310
type:
coil
credit:
Epoch Radio Manufacturing Co. Ltd.