Akai GX-77

Track System: 4 Track 2 Channel Stereo System

Reel Capacity: Up to 7" reel

Heads:

GX head for recording x2

GX head for playback x2

Erase head x2

Motors:

FG Servo D.C. motor for capstan drive x1

D.C. motor for reel drive x2

Tape Speed: 19 cm/s ±0.8%; 9.5 cm/s ±1.0%

Wow & Flutter:

Less than 0.03% WRMS, 0.07% DIN 45 500 at 19 cm/s

Less than 0.04% WRMS, 0.10% DIN 45 500 at 9.5 cm/s

Tape Winding Time: 80 sec. using 360 m (1,200 ft.) Tape

Frequency Response:

25 to 33,000 Hz ±3 dB (-20 VU) at (Using a EE tape) 19 cm/s

25 to 26,000 Hz ±3 dB (0 VU) 25 to 25,000 Hz ±3 dB (-20 VU) at 9.5 cm/s

25 to 15,000 Hz ±3 dB (0 VU)

Signal to Noise Ratio: Better than 63 dB at 19 cm/s DIN 45500

Harmonic Distortion: Less than 0.5% at 19 cm/s

Input Line: 70 mV (input  impedance 47 kohms)

Output Line: 0.775V at 0 VU

Required load impedance: more than 20 kohms

Phone: 1.3 mW/8 ohms at 0 VU

DIN:

Input: 2.0 mV (input impedance 10 kohms)

Output: 0.3V; required load impedance more than 20 kohms

Power Requirements: 220V 50 Hz 

Dimensions: 440x244x227 mm

Weight: 17.0 kg