Technics RS-B105 (1986–1991)
A stereo cassette deck from Technics with Dolby B noise reduction, designed for metal tape use and positioned as a low-cost Hi-Fi option in the late 1980s.
Overview
The Technics RS-B105, also known as the RS-B105-KM, is a stereo cassette deck made in Japan during the late 1980s. Marketed as a low-cost Hi-Fi cassette recorder, it was part of a wave of affordable decks aimed at budget-conscious audiophiles. It supports metal tape playback and recording, and includes Dolby B noise reduction for improved sound quality. The unit was sold for approximately $200 in 1988, or around 300 Deutsche Mark at the time.
Specifications
| Frequency Response | 20Hz to 16kHz (Metal tape) |
| Signal-to-Noise Ratio | 66dB (Dolby B) |
| Wow and Flutter | 0.08% |
| Input Sensitivity | 60mV (line), 0.25mV |
| Features | Dolby NR-Equipped, Metal tape compatible |
Context
The RS-B105 was positioned as a low-cost cassette deck in the late 1980s, competing with models like the Yamaha KX-200U and Kenwood KX-47C. It offered key high-fidelity features such as Dolby B noise reduction and metal tape support, making it a practical choice for listeners seeking better-than-entry-level performance without a premium price.
Market
Owners have noted the rewind function as a common failure point, and replacement parts such as the input selector/line/mic knob are available for repair. While current market values are not documented, the deck is described as appealing to vintage electronics collectors and those seeking retro aesthetics with functional audio performance.
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