Technics RS-BX646 (1993–1994)
A 3-head stereo cassette deck with Dolby B, C, and HX Pro noise reduction, produced in the early 1990s.
Overview
The Technics RS-BX646 is a stereo cassette deck from the last generation of high-quality consumer tape recorders. Technics gave it a 3-head system, which improves recording and playback accuracy. It was produced around 1993-1994, near the end of the cassette era. Noise reduction covers Dolby B, Dolby C and Dolby HX Pro. It plays metal tape, with a frequency response up to 19kHz, and the lid opens and closes automatically. Tested units are reported to work well, though at least one owner reported a persistent clicking sound during playback.
Specifications
| Product type | Cassette deck / recorder |
| Heads | 3-Head (3-Kopf) system |
| Noise Reduction | Dolby B, Dolby C, Dolby HX Pro |
| Era | Vintage 1980s |
| Production years | 1993–1994 |
| Wow and Flutter | 0.07% |
| Signal-to-Noise Ratio | 74dB (Dolby C) |
| Frequency Response | 30Hz to 19kHz (Metal tape) |
| Input | 100mV (line) |
| Output | 0.5V |
| Dimensions (W×H×D) | 430 × 125 × 293mm |
| Weight | 4.6kg |
Market
The RS-BX646 has turned up for sale at prices such as CZK 4,000 and RON 1,000. One source lists the original price as $329.71. Some units are described as being in perfect working and visual condition. At least one owner reported a constant clicking sound during playback, so some examples may have a problem.
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