Akai Professional GX-747

Specifications

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

Heads: (6) 2 x GX record, 2 x GX playback, 2 x erase

Head Composition: Permalloy, Ferrite/Glass

Head Configuration: Stereo

Motor: (3) 2 x reel drive, 1 x capstan

Auto Reverse?: Yes

Reel size: up to 10.5 inch reel

Tape speeds: 9.5  19 cm/s  (3 3⁄4  7 1⁄2 ips)

Wow And Flutter:

Less Than 0.03% WRMS 0.07% DIN 45500 At 19 cm/s (7½ Ips)

Less Than 0.04% WRMS 0.09% DIN 45500 At 9.5 cm/s (3¾ Ips)

Signal-To-Noise Ratio: Better Than 65dB At 19 cm/s (7½ Ips) (DIN 45 500)

Frequency response (± 3 dB):

25Hz to 33kHz (7 1⁄2 ips) 19 cm/s -10 Vu

25Hz to 26kHz (7 1⁄2 ips) 19 cm/s -0 Vu

25Hz to 25kHz (3 3/4 ips) 9.5 cm/s -10 Vu

25Hz to 15kHz (3 3/4 ips) 9.5 cm/s -0 Vu

Total harmonic distortion: 0.4%

Input: 70mV (line) 100 kΩ, 2mV (DIN), 0.25mV (mic 600 Ω) 5 kΩ

Output: 0.775V (line), 0.3V (DIN) 20 kΩ

Dimension: 440 X 483 X 256mm  (17½ X 19 X 10")

Sound Quality Rating: 7 / 10

Long-Term Reliability Rating: 8 / 10

Weight: (46.4lbs) 21kg

Finish: silver, black

Year: 1981-1985

Original Price: $1300