Electro-Voice SP-12B (c. 1965–1966)
Documentation on the SP-12B is thin, but the period record does establish a few facts. It was a 12-inch coaxial loudspeaker from Electro-Voice, advertised alongside the three-way 12TRXB with the tagline "The Best Buys Are Better Than Ever!" That's a marketing line, not a review verdict. It does suggest Electro-Voice positioned the SP-12B as an affordable full-range driver for custom hi-fi installations.
Pricing varied by listing. HiFI-Stereo (September 1965, p.85) listed the SP-12B at $37.00, and the same price appeared in HiFI-Stereo (February 1966, p.136). High Fidelity (April 1966, p.135) showed a slightly higher $41.25 list price. No detailed engineering specifications - impedance, frequency response, or power handling - have been located in the sources reviewed here.
- Type: 12" coaxial loudspeaker
- List price: $37.00 (1965–66); $41.25 in High Fidelity, April 1966
- Advertised alongside: Electro-Voice 12TRXB (three-way)
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