Akai Professional GX-646

Specifications

Track system: auto reverse, 4-track, 2-channel, stereo system

Heads: 2 x GX record, 2 x GX playback, 2 x erase

Head Composition: Ferrite/Glass

Motor: 2 x reel drive, 1 x capstan

AutoReverse ? : yes

Reel size: up to 10.5 inch reel

Rewind Speed: 75 seconds for 1200ft

Tape speeds: (3 3⁄4  ips) 9.5 cm/s ± 1% (7 1⁄2 ips) 19cm/s ± 0.8% pitch control ± 6%

Wow and flutter: 0.03% (7 1⁄2 ips) 19 cm/s

Frequency Response (± 3dB) EE tape

25Hz to 33kHz -20 Vu 25Hz to 26kHz 0 Vu @ (7½ ips) 19 cm/s

25Hz to 25kHz -20 Vu 25Hz to 15kHz 0 Vu @ (3¾ ips): 9.5 cm/s

Signal to Noise Ratio: 65dB (7½ ips) 19 cm/s Din 45500

Total harmonic distortion: 0.4% (7 1⁄2 ips) 19 cm/s

Inputs Mic: 0.25mV impedance 600 ohms, Line: 70mV 100 ohms

Outputs Line: .775V at 0 VU – load impedance more than 20 Kohms

Voltage(S): 110-120v, 220-240v

Dimensions: 440 x 483 x 256mm

Sound Quality Rating:7 / 10

Long-Term Reliability Rating:8 / 10

Weight: 46.4lbs (21kg)

Release Dates:1982 - 1984

Original Price: $800