Technics RS-M04 (1980–1982)
A 2-head stereo cassette deck with Dolby B noise reduction, made in Japan
Overview
The Technics RS-M04 is a stereo cassette deck produced from 1980 to 1982. Manufactured in Japan, it supports Type I, FeCr, CrO2, and metal tapes, making it adaptable to a range of cassette formulations. It features solenoid control for precise mechanical operation and includes a distinctive "lovely 3-colour" display noted by users. Described as "a bit more fancy" and "rather nice," the RS-M04 was seen as an interesting and well-regarded model during its time.
Specifications
| Type | 2-head, single compact cassette deck |
| Track System | 4-track, 2-channel stereo |
| Frequency Response Metal | 20-18.000 HZ |
| Noise Reduction | Dolby, B |
| Signal-to-Noise Ratio B | with Dolby B 67 (CCIR) |
| Input Impedance Line In | 50k ohms |
| Input Sensitivity Line In | 77.5mV |
| Output Impedance Line Out | 2.2k ohms |
| Output Level Line Out | 0.775V |
| Compatible tapes | Type I, FECR, CRO2, metal tape |
Design
The RS-M04 uses solenoid control for tape transport operation and features a three-colour display, which adds visual feedback during playback and recording.
Context
Owners have described the RS-M04 as "sort of different/interesting" and "rather nice," with one noting they "loved (and still love) those..." units. A listing highlights its "Clear sound, and recording" and notes a unit in very good cosmetic condition that works perfectly.
eBay Listings
As an eBay Partner, we earn from qualifying purchases. This helps support our independent vintage technology research.