DENON DR-M1
¥ 59,800 (around 1983)
Commentary
A cassette deck with auto-fader.
With an auto-fader mechanism, you can fade in and fade out the sound automatically after approximately four illnesses by pressing the buttons.
It uses a computer-controlled silent mechanism.
Non-slip reel drive mechanism is adopted.
A DC amplifier configuration without a condenser is adopted to prevent deterioration of sound quality.
Uses SF (Super Frequency) combination head for recording and reproducing head.
Equipped with Dolby B Type and Dolby C Type as noise reduction system.
Equipped with FL peak meter and 4-digit digital counter.
Equipped with a memory stop mechanism.
Model Rating
| Type | Cassette deck |
| Track system | 4-track 2-channel stereo |
| Tape selector | 3-Level Auto Tape Selector (Normal, CrO2, Metal) |
| Heads | Recording : SF Combination Head Erasing : double-gap ferrite heads |
| Motor | For Capstan : Electronic Servo DC Motor For Reel : DC Motor For mechanical control : DC motor |
| Wow and flutter | ± 0.08% (W. Peak) 0.04%(WRMS) |
| Early winding time | Approximately 90 seconds (C-60) |
| Overall frequency response (input -20VU) | Metal tape : 20 Hz to 20 kHz |
| Overall signal-to-noise ratio | Dolby C NRon : ≥ 73 dB (3% THD, measured by CCIR/ARM) |
| Input terminal (Vol. max) | Mic : 0.35mV/10k Ω Unbalanced (suitable for microphones of 10k Ω or less) Line : 77.5mV/50k Ω Unbalanced |
| Output Terminal (Vol. max) | Line : at 775mV/10k Ω load Headphone : 2.1 mW (8 Ω load, suitable for 8 Ω ~ 2k Ω headphones) |
| Pwer | 100 VAC, 50Hz/60Hz |
| Power consumption | 19W |
| External dimensions | Width 434x Height 115x Depth 286 mm |
| Weight | 5.5kg |