This manual provides operating instructions for four Sony cassette recorders (M‑650V, M‑560V, M‑455 and M‑450). It covers power source selection, recording and playback procedures, use of external microphones, and safety precautions.
The document also includes troubleshooting tips, maintenance guidelines, and detailed specifications such as tape speed, frequency range, power requirements, dimensions and weight. This manual is written in Japanese.
| Tape speed | 2.4 cm/s (4⅞ ips) / 1.2 cm/s (0.45 ips) |
|---|---|
| Frequency range | 300–4000 Hz (at 2.4 cm/s) |
| Microphone input sensitivity | 0.24 mV for ≤3 kΩ microphone |
| Output power | 250 mW (at 10 % harmonic distortion) |
| Dimensions (W×H×D) | Approx. 62.2 × 119.1 × 25.4 mm |
| Mass | M‑650V approx. 115 g; M‑560V approx. 113 g; M‑455/450 approx. 109 g |
| Speaker diameter | Approx. 3.6 cm |
Two tape speeds are provided: 2.4 cm/s (4⅞ ips) for normal recording quality and 1.2 cm/s (0.45 ips) for longer recording time.
Wipe the tape head, capstan and pinch roller with a cotton swab moistened with alcohol every 10 hours of use.
Connect the microphone to the MTC jack and use a low‑impedance microphone (≤3 kΩ).