Akai 4000DS Mk2

Tape recorder: 1973-78
4 track,
2 channels,
Engine: 4-pole induction,
Tape speeds: 3 3/4 & 7 1/2 ips
Wow/flutter: 0.15% / 7 1/2 ips
Frequency Response:
30/23KHz (7 1/2 ips) +/- 3dB
30/16KHz (3 3/4 ips) +/- 3dB
Distortion: +/- 1%/1Khz band LN
SNR: >56 dB
THD: 1.5%,
Erasing report:>70 dB
Magnetizing freq: 100 kHz,
3 heads,
Recording, playback, Blanked
Engine: 3-pole induction
Time winding/rewinding:
200 seconds with 370m band
Input line: 70mV
Input micro: 0.8mV
Output line: 1.22V
Dimensions: 407x314x196 mm
Weight: 11.10 kg