KEF 104
The Archive's research file has very little on the KEF 104. No source material was supplied for the model itself. That means no identity, no specifications, no dates and no historical context, so nothing about the 104 as such can be verified from the sources on hand.
The period material attached to this entry is about two other KEF models, and both have their own pages in the archive. Audio (December 1979, p.88) published the manufacturer's specifications for the 104aB: a 30 - 40,000 Hz frequency range, 8-ohm nominal impedance, and a two-way network with an acoustically coupled crossover at 45 Hz and an electrical crossover at 3,000 Hz. From 1985 to 1986, KEF's own advertising in Audio touted the Reference 104/2 as a speaker that would become one of the most significant of its decade.
None of that documentation describes the "104" alone. Whether this model was an earlier version of the 104aB, an export variant, or something else entirely is not established by the available record. An owner's manual, a period brochure, or even a photograph with a rough date would help close one of the larger gaps in the KEF lineup.
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