Akai PRO-1000

Data

General

Manufacturer: Akai
Model: Akai PRO-1000
Type: Professional, 2-divided tape machine
Years of manufacture: 1976 - 1980
Made in: Japan
Color: Silver/Black, Cabinet Wood Walnut
Remote control:
Power consumption: 116 W
Dimensions: yes
- Drive section: 486 x 412 x 284 mm (WxHxD)
- Amplifier part: 486 x 231 x 309 mm (WxHxD)
Weight: 28,3 kg
original price: 398'000 Yen (Japan, 1976), equivalent to about 6'000 DM

Connections

Number of inputs:
- Microphone: 0.3 mV / 600 Ohm - 10 kOhm.
- Line In: 70 mV / 100 kOhm
- Line In DIN:
Number of outputs:
- Line Out: 0.775 V
- Headphone: 50 mV, 8 Ohm

Technical Data

Max. Coil diameter: 26.5 cm
- Recording / playback system:
  - Recording: 2-track, 2-channel, 4-track, 2-channel.
  - Playback: 2-track, 2-channel, 4-track, 2-channel
Drive: 3 motors (1x AC-Servo Capstan, 2x 6-pole coils)
Heads: 4 audio heads (1x 2-track recording, 1x 2-track playback, 1x 4-track playback, 1x erase)
Tracks: 4
Tape speeds: 9.5, 19 cm/s, 38 cm/s
Synchronisation fluctuations:
- at 9.5 cm/s: ± 0,5%
- at 19 cm/s: ± 0,5%
- at 38 cm/s: ± 0,5%
Pitch fluctuations:
- at 9.5 cm/s: < 0.08 %
- at 19 cm/s: < 0.04 %
- at 38 cm/s: < 0.025 %
Overall frequency response: Low Noise Band
- at 9.5 cm/s: 60 - 12'000 Hz, ± 1dB, 0 VU recording)
- at 19 cm/s: 40 - 24'000 Hz, ± 1dB, 0 VU recording)
- at 38 cm/s: 30 - 28'000 Hz, ± 1dB, 0 VU recording)
Signal-to-noise ratio: > 60 dB
signal-to-noise ratio:
Distortion: < 1 % (100 Hz)
Equalization: NAB
Crosstalk attenuation: > 40 dB (1 kHz, stereo)
Cancellation attenuation: > 70 dB
Premagnetization and erasure frequency: 150 kHz
Rewind speed: 120 seconds for 540 m band
VU meter response time: 0.01 s
- Return time: 0.8s

Special Features