Akai 4000 DB

Track system: 4-track, 2-channel, stereo/monaural system

Dolby System

Heads: 1 x record, 1 x playback, 1 x erase

Motor: 1 x 4-pole induction

Reel size: up to 7 inch reel

Tape speeds: 3 3⁄4 7 1⁄2 ips

Wow and flutter: 0.15% (7 1⁄2 ips)

Frequency response: 30Hz to 23kHz (7 1⁄2 ips)

Signal to Noise Ratio: 55dB

Total harmonic distortion: 1%

Crosstalk: 40dB

Input: 70mV (line), 0.4mV (mic)

Output: 0.775V (line)

Semiconductors: 27 x transistors, 2 x FET, 4 x IC, 17 x diodes

Dimensions: 406 x 325 x 196mm

Weight: 12kg