Akai GX-747

Track format	4 track
Reel Size, max.	26,5
Tape Speed, cm/s	19-9,5
Frequency, Hz (19 cm/s)	25-33000
Wow & Flutter, % WRMS	0,03
Signal to Noise ratio, -dB	65
Heads	6
Motors	3
Weight, kg	23,2
Dimensions (Wx H)	440x493
Year	1981

Цена: EUR 2500 - 2800

Track system: 4 Track 2 Channel Stereo System 1         

Reel capacity: Up to 10 reel

 

Heads:

GX head for Recording x2

GX head for Playback x2

Erase head x2

 

Motors:

AC Servo motor for capstan drive x1

AC Eddy current motor for reel drive x2

Tape speed: 19 cm/s ±0.8%; 9,5 cm/s ± 10%

 

Wow & flutter:

Less than 0.03% WRMS, 0.07% DIN 45500 at 19 cm/s

Less than 0.04% WRMS, 0.09% DIN 45500 at 9,5 cm/s

Tape winding time: 75 sec. using 360 m (1,200 ft.) Tape 

 

Frequency response:

25 to 33,000 Hz ± 3 dB at 19 cm/s

25 to 26,000 Hz ± 3 dB (0 VU)

25 to 25,000 Hz ± 3 dB at 9.5 cm/s

25 to 15,000 Hz 3 dB (0 VU)

 

Signal to noise ratio: Better than 65 dB at 19 cm/s DIN 45500

Harmonic distortion: Less than 0.4% at 19 cm/s

 

Input:

MIC: 0.25 mV (input impedance 5.0 kohms)

Required microphone impedance: 600 ohms

Line: 70 mV (input impedance 100 kohms)

 

Output:

Line: 0,775 V at 0 VU

Required load impedance: more than 20 kohms

Phone: l00mV

 

DIN:

Input: 2 mV (input impedance 10 kohms)

Output: 0.3 V required load impedance more than 20 khoms       

 

Power requirements: 220V, 50 Hz switchable

Dimensions: 440x483x256 mm

Weight: 21 kg