KLH Model 52
A receiver from the company that built its reputation on speakers — and the period press noticed it the moment it landed.
Overview
The KLH Model 52 is an AM/FM stereo receiver, and the little that survives in the record makes one thing clear: this was KLH's entry into the receiver market, and the audio press treated it as a genuine event. Audio (August 1973, p.42) profiled the Model 52 in its Equipment Profiles section, framing it plainly — KLH "comes up with a receiver line to complement its famous loudspeaker system products." That's the whole story in one sentence. KLH had spent years building speakers; the Fifty-Two was the company reaching across the shelf to give buyers a matching front end.
Collectors hunting for the 52 today will find the August 1973 Audio profile — pages 42 and following — the single most useful primary document, since it's one of the few places the receiver was examined in print at any length.
What the Model 52 actually contained, in circuit terms, is largely lost to the archive. No service manual, no owner's manual, and no published specification sheet has surfaced in the usual sources. That's an unusual gap for a receiver that got a full magazine profile, and it means anyone buying one today is working from the period review and from whatever the unit itself tells them on the bench.
That figure is the clearest contemporary price marker in the record — and the fact that a nearly-new unit was already being traded says something about how these changed hands in the mid-seventies. Buyers moved them; they weren't heirlooms yet.
The receiver's place in the KLH line is easier to pin down than its circuitry. Audio's August 1973 profile paired it with a lower-priced KLH receiver, suggesting the 52 sat at or near the top of a small line rather than as a lone flagship. For collectors assembling a period KLH system, the 52 is the natural tuner-amplifier anchor to a pair of the company's speakers — which is exactly the pairing the magazine had in mind when it described the receiver as complementing KLH's loudspeaker products.
Condition and survival are the practical concerns. With no service documentation circulating, a Model 52 that needs work is a project for someone comfortable tracing a receiver without a schematic. The upside is that the period review exists and the unit was reviewed seriously — not dismissed as a badge-engineered afterthought. For a receiver that KLH built to sit beside its speakers, that's a fair legacy: a competent, press-vetted companion piece, now scarce enough in documentation that the magazine profile is half the reason to own one.
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