Luxman K-210
A two-head, Dolby B-C cassette deck from Luxman's consumer line. It is the entry point into a family that shared the same quality-control bench as the flagship Ultimate Series.
Overview
The K-210 is a two-head cassette deck, with a single combination record/playback head plus a separate erase head. It has Dolby B and C noise reduction, soft-touch transport controls, Metal tape capability, a headphone output, and microphone inputs. That is the feature set Luxman's own manual copy leads with. It is not a flagship, but it is a deck built to a standard rather than to a price category.
Luxman's German-language catalog material positions the K-210 as one third of a starter system, alongside the L-210 amplifier and T-210 tuner. The pitch is direct about it. The company notes that quality has its price, then argues that the L-210/T-210/K-210 combination shows quality need not be unaffordable, and that the same strict standards applied to the Ultimate Series apply here. Every individual component, the copy claims, undergoes quality inspection before assembly. Testing continues through the production process and ends in a final check severe enough that Luxman could attach a full three-year warranty. The closing line says Luxman does not build mass-market products.
Read that claim against the spec sheet. The K-210 shares its chassis with the K-205, both listed at 453 x 275 x 110 mm, and the two sit together in the same column of Luxman's cassette deck comparison table. They differ in weight: the K-210 is listed at 4.7 kg against the K-205's 4.5 kg. Which of the two carries the Dolby B-C NR designation is stated elsewhere in the documentation, where the K-210 is headed "DOLBY B-C NR."
The numbers are typical of a competent mid-line two-head deck of the period. Signal-to-noise is specified at greater than 70 dB with Dolby C and greater than 64 dB with Dolby B, and total harmonic distortion is quoted at under 0.7%. Line input sensitivity and impedance are given as 100 mV into 18 kΩ or 20 kΩ depending on the table, with line output at 500 mV into 1 kΩ. None of these figures is exceptional on its own. Together they describe a deck that will record and play back a Metal tape with enough headroom and enough quiet to be worth the trouble.
The comparison table shows where the K-210 sits. Luxman's own literature places it below the K-240/K-230, which step up to lower wow and flutter (under 0.04%) and a 20 Hz - 20,000 Hz Metal response. It is well below the K-260 and K-03, which use three Sendust heads and either closed-loop single-capstan or double-capstan drive. The K-03 tops the table at under 0.025% wow and flutter and 15 Hz - 27,000 Hz. The K-210 is the floor of that lineup, and the documentation says so plainly.
What the catalog does claim for the whole range is technology transfer. Luxman states that its Duo-Beta technology, developed at the top, appears even in the consumer class, and that this transfer is what keeps the company's components ahead in technical and sonic comparisons. Whether a two-head deck benefits audibly from a circuit philosophy developed for flagship amplifiers is a fair question. It is the manufacturer's own framing of why the entry-level models exist.
The documentation for this model is a German-language catalog table, and its OCR is imperfect. Several cells in the K-210 column are garbled or misaligned across the two scanned versions. The figures above are the ones that read consistently. Anything not clearly legible has been left out rather than guessed at. Contemporary coverage of the period's cassette-deck market, such as High-Fidelity (September 1983, p.46), noted that mid-line decks from major makers had by then standardized on both Dolby B and C noise reduction, with only the least expensive models omitting the C circuit. That puts the K-210's two-head, B/C-equipped specification in line with its competition.
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