Teac A-7400 RX
Data[edit]
General
- Manufacturer: Teac
- Model: A-7400 RX
- Type: Stereo Master Reel Tape with DBX
- Years of manufacture: 1975 - 1978
- Made in: Japan
- Color: Silver / Black, side panels wood
- Remote control: yes, cable remote control RC-170
- Power consumption: 90 W
- Dimensions (WxHxD):
- Drive unit: 470 x 455 x 300 mm
- Electronic unit: 470 x 205 x 310 mm
- Weight:
- Drive unit: 27.5 kg
- Electronic unit: 12,5 kg
- New price approx.: 398'000 Yen (Japan, 1975), 6'000 DM
- New prices accessories:
- Cable remote control RC-170: 10,500 Yen, 160 DM
Connections
- Inputs:
- Microphone: 0.25 mV (0.6-10 K-ohms) -.
- Line: 100 mV (50 K-Ohm)
- Outputs:
- DIN: 0.3 V 10 K-Ohm) -.
- Line: 0.3 V (10 K-Ohm)
- Headphones: 0.05 V (8 Ohm)
Technical Data
- 2-channel, stereo tape deck
- Max. Reel diameter: 26.5 cm
- Drive type: 2 eddy current winding motors and 1 hysteresis synchronous sound motor
- Head equipment: 1 recording head, 1 playback head, 1 erasing head Permaflux
- Tracks: 2 / 4
- Tape speeds: 19 cm/s, 38 cm/s
- Overall frequency response:
- at 19 cm/sec: 25 - 28'000 Hz
- at 38 cm/sec: 25 - 30'000 Hz
- Crosstalk attenuation at 1 kHz in stereo mode: 50 dB
- Signal-to-noise ratio: 60 dB (1 kHz)
DBX On: 100 dB
- Dynamic range DBX: 110 dB (1 kHz)
- Coincident fluctuations:
- at 19 cm/sec: ± 0.05 %
- at 38 cm/sec: ± 0.04 %
- Max. Deviation of the average velocity:
- at 38 cm/sec: ± 1 %.
- Extinguishing damping:
- at 38 cm/sec: 68 dB
- Premagnetization and extinction frequency: 100 kHz
- DC at fast quenching
Special Features
- Stereo 2 / 4 track master reel tape with DBX
- Drive unit and electronic unit separated
- 2 VU meters, frequency linear
- Rear tape control
- Drive logic
- Remote control of all functions available as accessories
- Switch VU-Meter (High/Normal)
- Equalization and premagnetization
- Output adjustable left/right separately
Remarks[edit]
- Other models in the same series:
Pictures[edit]
- Extract from brochure: Teac A-7400 RX
