Designed to match the LK-150 stereo power amplifier (which was also available in kit-form), the LC-21 was a fully-featured control unit similar to Scott's model 130 and almost identical to the front-end of their popular 299 integrated amplifier.

Circuit features included unique shielding of the power supply, non-magnetic electrolytic aluminium chassis, cathode follower outputs and DC-heated tubes for low hum and noise.

Front panel controls consisted of input selector (RIAA, NAB tape, tuner, microphone and extra), stereo selector (balance A, balance B, mono, stereo, stereo reverse, channel A, and channel B), separate bass and treble for each channel, stereo balance, derived centre channel level, loudness, magnetic pick-up selector switch, tape monitor, rumble and scratch filters, phase reverse and volume/loudness.

Like most of Scott's other kit-sets, the ealiest versions were finished with a dark brown, almost black front pane face plate with gold edging (top, right)), while later versions (lower, right) featured a brass face plate.

Priced at $99.95 (kit) and $169.95 (wired) with case an extra $12.95 (metal) and $19.95 (mahogany or oiled walnut), today's value is around $400 for clean, working examples.

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