Cerwin 320C (c. 1975)

Not much information on the Cerwin 320C has survived. The one solid reference is a 1975 equipment directory. There, HiFI-Stereo (1975, p.123) lists the 320C as a variant of the company's 320B. It's the same omnidirectional cubical speaker concept, but with two 12-inch bass drivers in place of the 320B's single 15-inch woofer, and the maximum power input goes up to 300 W rms.

The same entry describes the cabinet the two models shared - a bottom-radiating, oiled-walnut cube, 25″ H × 20″ W × 25″ D. It prices the 320B at $300 and gives no separate price for the 320C. The directory treats the 320C as the 320B apart from those two changes, so the 320B's listed figures presumably carried over: 25-250 Hz frequency range, and a 125 Hz crossover with 250 Hz optional.

Beyond that, the record goes quiet. No full review, brochure, or production dates have surfaced so far. Whatever else there is to know about the 320C remains undocumented.