Akai GX-646 User Manual

Specifications and Main Features

Track System: Formatted 4 Tracks 2 channel stereo system
Reel Capacity: 10 inch maximum reel size
Recording Heads: Contains two GX heads that are used for recording.
Playback Heads: Contains two GX heads that are used for playback purposes.
Erase Head: Total of two
Motors: One uses an ac servo for the capstan drive; the other two use an ac eddy current motor for reel driving.
Tape Speed: 19cm/sec ± 0.8% (7 1/2 inches per second), 9.5cm/sec ± 1.0% (3 3/4 inches per second)
Wow & Flutter: At 19 cm/sec less than 0.03% wrms, 0.07% din; at 9.5 cm/sec less than 0.04% wrms, 0.09% din
Tape Winding Time: 75 sec using 360 m (1,200 ft) tape
Frequency Response: 25 to 33,000 Hz ±3 dB (—20 VU) at tape speed 19 cm/sec; 25 to 26,00Hz ±3 dB (0 VU); 25 to 25,000 Hz ±3 dB (—20 VU) at tape speed 3.75 cm/sec
Signal to Noise Ratio: 85 at 19,CM/Sec (din 45 500) quality is better than this figure,.
Harmonic Distortion: 19 mm/sec 0.4 percent less than 0.4 percent.
Input: 2mV (Input impedance 10 Kohms)
Output: 0.775 V at 0 dB, Load impedance more than 20 Kohms required.
Dimensions: 440 (W) 483(H) 256(D)
Weight: 21Kg(46.4lbs)
Power Requirements:
For USA and Canada, the voltage is 120V while the frequency is at 60Hz.
For Europe (with the exception of UK), the voltage is 220V with a frequency of 50Hz.
While for the UK and Australia the frequency and voltage is 240V and 50Hz respectively.
For other countries the standard voltage provided is 110/120/220/240 with a frequency of 50 to 60Hz.
Standard Accessories:

Empty reel, Connection Cord, Tape Cleaner kit, Reel Adapter.

Frequently Asked Questions

Q1: What is the maximum reel capacity of the GX-646?

A1: With the GX-646 you can easily hold over 10 inch of the reel.

Q2: What type of motors does the GX-646 use?

A2: It is equipped with an AC Servo Motor that ensures caps can drive to the reel as well as two AC Eddy current motors.

Q3: What is the tape speed of the GX-646?

A3: The GX-646 offers two tape speeds, the first option is 19 cm/sec which is equal to 7-1/2 ips, Alternatively you can select 9.5 cm/sec which is equal to 3-3/4ips.

Q4: How is the frequency response of the GX-646?

A4: The frequency response is 25 to 3 D B and 33,000 is the frequency at 19 points which is very standard.

Q5: What are the power requirements for the GX-646?

A5: It accepts 120V, 60 Hz for North America; 220V, 50 Hz for Continental Europe; 240V, 50 Hz for UK and Australia; and it is adaptable for 110/120/220/240V, 50/60Hz for the rest of the world.

Q6: How does the GX-646 perform in terms of signal-to-noise ratio?

A6: The signal-to-noise ratio reaches better than 85dB at 19 cm/sec according to DIN 45 500 specifications.

Q7: What is the weight of the GX-646?

A7: The GX-646 has a standby weight of 21 kg, 46,4 lbs.

Q8: Is the GX-646 capable of stereo and mono recording?

A8: Yes, GX-646 can perform recording in stereo and mono modes.

Q9: What maintenance does the GX-646 require?

A9: Head cleaning and demagnetising, pinch roller and the capstan cleaning are a few recommendations to be followed.

Q10: What type of input connections does the GX-646 have?

A10: It has an assortment of connectors, including LINE IN jacks that drive external amplifiers and microphone jacks.