Equipment photographs · 1
1 / 1 · US patent 2,037,187 (1936): sound translating device, the compression-driver design of the 594-A era
US patent 2,037,187 (1936): sound translating device, the compression-driver design of the 594-A era·Edward C. Wente (Bell Telephone Laboratories)·Public domain (US patent)Why it mattered
- 01
Its phasing plug informed postwar professional compression drivers.
- 02
It was the high-frequency heart of Western Electric's wide-range theatre systems.
Engineering record
- Phasing plug
- Multi-stage phasing plug later compared with the JBL 375's[1]
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