Technics RS-9900US (1976–1980)
A two-box stereo cassette deck system from Technics, separating transport and electronics for reference-grade performance.
Overview
The Technics RS-9900US is a stereo cassette deck manufactured by Technics and produced from 1976 to 1980. It is designed as a two-box system, with the tape transport and record/reproduce amplifier electronics housed in separate units. This configuration supports its classification as a reference cassette recorder. The deck supports Type I and CrO2 tapes and includes Dolby B noise reduction.
Specifications
| Signal to Noise Ratio | 67dB (Dolby B) |
| Wow and Flutter | 0.04% |
| Tape type compatibility | Type I, CrO2 |
| Noise Reduction | B |
| Frequency response | 20 Hz – 15,000 Hz (Normal), 20 Hz – 20,000 Hz (CrO₂ tape) |
Design
The RS-9900US uses a two-box design in which the tape transport and record/reproduce amplifier electronics are split into separate chassis, a layout intended to minimize interference and support high-fidelity operation.
Context
The RS-9900US was positioned as a reference cassette recorder, indicating its intended use for critical listening and professional applications.
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