Luxman K-115 (1980–1983)
The Luxman K-115 is a two-head, two-motor auto-reverse cassette deck from the early 1980s. It originally sold for around $400-$410. It records and plays back Normal, CrO₂, and Metal tapes, and it has Dolby B and Dolby C noise reduction on board.
The K-115 selects tape type automatically. The deck reads the slots in the cassette shell and sets bias and equalization to match, so there is no manual switch. The transport uses two motors, and wow and flutter is rated at 0.04%-0.05% WRMS depending on the source. Signal-to-noise is typically quoted at 74 dB (Audio Database) or 75 dB with Dolby B on metal tape, and 83 dB with Dolby C at peak level (hifi-wiki). The gap between those figures comes from different measurement conditions.
HiFi-Stereo (October 1993, p.129) noted the K-115 in its retail listings, a sign that Luxman's decks retained a following well after their production run. The unit draws 50W, offers line and microphone inputs with line and headphone outputs, and weighs roughly 9.5–10 kg. Dimensions are given as 440 × 145 × 285 mm (or 17-1/4 × 5-1/4 × 11-7/8 inches per Hifi Archive — sources differ slightly on the height and depth).
The record on this model is thin. No service issues, spare-parts notes, or owner complaints appear in the available documentation. There is also no detail on how the auto-reverse mechanism is arranged given the two-head design. The K-115 came from Luxman's early-80s lineup, and it offered both Dolby B and C at a time when that wasn't yet universal.
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