Luxman K-113X (1988)
The Luxman K-113X is a three-head cassette deck released in June 1988 at ¥59,800. It dates from after Alpine and Luxman formed their business partnership in 1984, which is why it's officially badged ALPINE/LUXMAN. The Japanese sources that document it are thin on narrative but generous with specifications, so what follows is mostly the technical record.
The deck uses a dedicated head for each function - Hexalum (Hexaram) heads for recording and playback, ferrite heads for erasing. That let Luxman optimize each head's design individually. The three-head layout also allowed simultaneous monitoring of the recorded signal through the playback head, and it meant the record/playback switching could be bypassed, which reduces distortion in the signal path. The transport is logic-controlled, with wow and flutter rated at 0.05% or less (W.R.M.S.).
On the circuit side, the K-113X has a bias fine adjustment to match the tape in use, plus Dolby HX Pro to servo-control bias during recording. Noise reduction is Dolby B/C. Frequency response is rated at 20 Hz to 19 kHz on normal tape, 20 Hz to 20 kHz on chrome, and 20 Hz to 21 kHz on metal. Signal-to-noise on metal tape is 56 dB with Dolby off, 65 dB with Dolby B, and 72 dB with Dolby C. Distortion is spec'd at no more than 0.5%.
The front panel carries a 4-digit FL-tube electronic tape counter, and the memory stop mechanism rewinds and halts the tape at a zero-set point. An external timer connection allows scheduled recording or playback. The K-113X could also link with the AV Surround Controller F-105 for whole-system remote control, which fits Luxman's late-1980s push toward integrated AV setups.
Power consumption is 17W (one catalog lists 22W). The deck measures 438 mm wide, 110 mm high, and 318 mm deep, and weighs 4.3 kg.
Beyond the spec sheet, the record is sparse. No period magazine reviews of the K-113X have surfaced in the archive's files, and little is documented about where it sat in Luxman's lineup. Current asking prices appear mostly on Russian and Ukrainian classified sites, with one Moscow listing at 23,000 ₽ and another at 13,200 грн. No reliable market trend can be established from those alone.
- 3-head cassette deck (record, playback, erase)
- Logic control transport
- Dolby B/C noise reduction, Dolby HX Pro
- Bias fine adjustment
- 4-track, 2-channel stereo
- Wow & flutter: 0.05% or less (W.R.M.S.)
- Output: 500 mV / 2 kΩ
- Original price: ¥59,800 (June 1988)
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