Loudspeaker pressure drive units

Made:
1927 in United States
maker:
Western Electric Company, Inc

Loudspeaker pressure drive units (two) (Serial Nos. 17933 & 29351) made by Western Electric, type 555W, designed by Wente, patented 1926 (Bell Telephone Laboratories), impedance 10 ohms at 400 Hz, used in sound-film units, 1927. (Patent Nos. 263411, 266395, 275567, 275571, 297938)

Details

Category:
Sound Reproduction
Object Number:
1990-538
status:
Permanent collection

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