Terecorder M-7 (M7)
Akai Electric Co., Ltd.; Tokyo
- Country
- Japan
- Manufacturer / Brand
- Akai Electric Co., Ltd.; Tokyo
- Year
- 1962
- Category
- Sound/Video Recorder and/or Player
- Radiomuseum.org ID
- 264143
- Number of Tubes
- 9
- Main principle
- Audio-Amplification
- Details
- Tape Recorder; Hi-Fi equipment
- Power type and voltage
- Alternating Current supply (AC) / 100-245 Volt
- Loudspeaker
- Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) - elliptical / Ø 7 inch = 17.8 cm
- Power out
- 6 W (max.)
- Material
- Various materials
- from Radiomuseum.org
- Model: Terecorder M-7 - Akai Electric Co., Ltd.; Tokyo
- Shape
- Tablemodel, with any shape - general.
- Dimensions (WHD)
- 310 x 540 x 226 mm / 12.2 x 21.3 x 8.9 inch
- Notes
-
AKAI Stereo Tape Recorder/Reproducer M-7
Portable 4 track tape recorder with tubes and high fidelity characteristics due to cross - field bias system.
- Stereo Tape 4 track Recorder/Reproducer.
- Tape format: 1/4” width.
- Track format: 4 Track 2 Channels.
- Reel Size: 7 inch.
- Tape speed: 19 cm/s , 9.5 cm/s and 4.75 cm/s.
- Heads: 3 Heads- 4 tracks erase, 4 tracks cross-filed head ; 4 track record/reproducer.
- Motors: 1 –hysteresis synchronous motor, two speed start through capacitor.
- Wow and flutter: <0.15 % at 19 cm/s, <0.25 % at 9.5 cm/s and <0.33 % at 4.75 cm/s.
- Power output: 2 x 3 W.
- Metering: 2 large VU meters.
- Special Functions: Auto shut off, speaker switch (internal / external).
- Inputs: 6 Jacks (3 L + 3 R)- 2 x Mic, 2 x Pick-up, 2 x Phono/Radio.
- MIC: -55 dB at 1 kHz; Phono and Radio: -15 dB at 1 kHz.
- Outputs: 1 x headphone stereo, 1 x out preamplifier (per channel), 2x speaker out, 2x Line out.
- Controls: Volume and Tone, one for each channel (L and R).
- Distortion:. <3% at 1 kHz, 0 VU.
- Frequency response: 40 Hz – 23 kHz ±3 dB at 19 cm/s; 40 Hz to 20 kHz ±3 dB at 9.5 cm/s, 40 Hz – 10 kHz ±3 dB at 4.75 cm/s.
- Crosstalk: > 53 dB between channels.
- Loudspeakers: Internal: 2 x elliptical shape (18 cm x 12 cm) , 8 ohms, 6 W, 80 Hz – 12 kHz ±10dB
- Microphones: 2 square shaped, impedance 50 kohms; 70 Hz - 15 kHz ±10 dB
- Power comsumption: 100 W.
- Net weight (2.2 lb = 1 kg)
- 21.5 kg / 47 lb 5.7 oz (47.357 lb)
- Mentioned in
- - - Manufacturers Literature
Service Documentation Akai M7 | 5349 KB | |
Parts List Akai M7 | 5435 KB |
- Documents regarding this model
- Author
- Model page created by Moisés Piedade. See "Data change" for further contributors.
- Other Models
-
Here you find 614 models, 568 with images and 202 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Akai Electric Co., Ltd.; Tokyo
Collections
The model Terecorder is part of the collections of the following members.