Akai M-8

Specifications

 * Track system: 4-track, 2-channel, stereo/monaural system
 * Heads: 1 x record/playback, 1 x erase
 * Motor: 2 speed hysteresis synchronous
 * Reel size: up to 7 inch reel
 * Tape speeds: 1 7⁄8  3 3⁄4  7 1⁄2 ips
 * Wow and flutter: 0.15% (7 1⁄2 ips)
 * Frequency response: 30Hz to 25kHz (7 1⁄2 ips)
 * Signal to Noise Ratio: 40dB
 * Total harmonic distortion: 2%
 * Crosstalk: 53dB
 * Output: 0.8V (line)
 * Speakers: 2 x 4"
 * Valve complement: 2 x EF86, 2 x 12AX7, 2 x 6BQ5, 2 x 6X4, 1 x 6AR5
 * Dimensions: 510 x 340 x 226mm
 * Weight: 21.5kg
 * Year: 1963