KEF 304 (circa 1979–1980)
The KEF 304 is a loudspeaker known almost entirely through its period advertising. The Archive's research materials include no specification sheet, no independent review measurements and no production history. The ad campaign survives in several publications, though. KEF's own advertising in High Fidelity (December 1979, p.99; February 1980, p.43) and Audio (April 1980, p.21; May 1980, p.15) showed the 304 alongside the Model 303. Each sat on its own optional stand - ULS II for the 304, ULS I for the 303.
The ads called the 304 elegant, efficient and effective. They stressed that it combined KEF's traditional accuracy with a higher level of efficiency. It was pitched for amplifiers up to 100 watts, or for music centers as small as 10 watts. That made it an easy-to-drive KEF for buyers who didn't own large separate amplifiers.
Beyond that, the record is thin. No driver complement, crossover details, dimensions or price have surfaced in the materials on hand. The 304 appears to have been a higher-efficiency model in KEF's late-1970s/early-1980s lineup, positioned alongside the 303. The technical specifics remain undocumented.
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