Akai Professional GX-747 dbx

 SPECIFICATION GX-747

Track System:   4-Track, 2-Channel Stereo System

Reel Capacity:   10 1/2” and 7"

Motors:    1 AC Servo Capstan Motor 2 AC Eddy Current Reel Motors

Heads: 2 GX recording, 2 GX playback, 2 Erase

Tape Speed:      7 1/2 ips (19 cm/s, ± 0.8%), 3 3/4 ips (9.5 cm/s, ± 1.0%)

Wow & flutter:  

Less than 0.03% WRMS, 0.07% DIN 45500 at 7 1/2 ips (19 cm/s)

Less than 0.04% 'WRMS. 0,09% DIN 45500 at 3 3/4 ips (9.5 cm/s)

Tape Winding time: 75 sec. for 1200 feet.

Frequency Response:     

25 - 33,0001 Hz ±3 dB/ -20 VU at 7 1/2 ips (19 cm/s)

25 - 26,0001 Hz ±3 dB / 0 VU at 7 1/2 ips (19 cm/s)

25 - 25,000 Hz ±3 dB/ - 20 VU at 3 3/4 ips (9.5 cm/s)

25 - 15,000 Hz ±3 dB/ 0 VU at 3 3/4 ips (9.5 cm/s)

Signal to Noise Ratio: Better than 65 dB at 7 1/2 ips (19 cm/s) DIN 45500 (+10 dB ? Dbx)

Harmonic distortion: Less than 0.4% at 7 1/2 ips (19 cm/s)

Input Jacks:

MIC: 0.25 mV (input impedance 5.0 kohms) Required mic impedance: 600 ohms

Line: 70 mV (input impedance 100 kohms)

Output Jacks       

Line: 0.775 V at 0 VU Required load impedance: more than 20 kohms

Phone: 1.3 mW/8 ohms at VU

DIN Jack  

Input: 2.0 mV (input impedance 10 kohms)

Output: 0.3 V Required load impedance: > 20 kohms

Dimensions : 440(W) x 493 (H) x 256 (D) 17.3" X 19,4" x 10.1"

Weight: 23.2 kg (51,2 lbs.)

Power Requirement     

U.S.A. and Canada: 120 V, 60 Hz

European Countries: 220 V, 50 Hz

U.K. and Australia: 240 V, 50 Hz

Other Countries: 110/120/220/240 V switchable 50/60 Hz