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Sound Rating: 7 / 10 # Owners: 1
Relaibility Rating: 8 / 10 Views: 229

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Technical Details

Brand: Akai

Model:GX-747

Category:High Fidelity

Application:Consumer

Electronic:Solid State

Country of Manufacture:Japan

Release dates:1984-1984

Tracks:1/4 Rec/PB

Speeds: 3 3/4, 7 1/2

Max Reel Size("): 10.5"

Number of heads: 6

Head Composition: Permalloy, Ferrite/Glass

Head Configuration: Stereo

# Motors:

Auto Reverse?:Yes

Voltage(s): 110-120v, 220-240v

Frequency Response:Pitch control: more than ±6%

Wow and Flutter:less than 0.03% WRMS at 7½ ips, less than 0.04% WRMS at 3¾ ips

Signal-to-Noise Ratio:better than 65dB at 7½ ips (DIN 45 500)

Sound quality rating:7 / 10

Long-term reliability rating: 8 / 10

Additional Details

Description

Many people believe that the GX-747 and its successor the GX-747dbX, were the finest reel-to-reel decks ever produced by Akai (others might suggest it was Akai’s Pro 1000). The GX-747 was very well made and utilized the evolving technology of its predecessors, the GX-646 and 635.
Superficially, the GX-747 looks like an advanced version of the GX-646,with all of the functions of the latter and then some. The function panel was the same as the one used on the GX-77 with the addition of an auto-mute button – (4 seconds, non-adjustable).
A drop-down cover revealed the control panel which was almost identical to that of the GX-646.

Akai produced 5 variations of the 747, silver and black with the following options depending on the time of production- VU or LED meters and DBX.

As it was a 4 track machine, it did not feature 15 IPS which many of the competition could offer at the time.

Additional Info

Frequency response ( 3dB): 7½ ips: 25Hz to 33kHz (EE tape)

Dimensions: 17½ x 19 x 10″ (440 x 483 x 256mm)

Weight: 46.4lbs (21kg)

Rewind speed: 75 seconds for 1200ft

Distortion: less than 0.4% at 7½ ips

Inputs: mic: 0.35mV impedance 600 ohms, line: 70mV 100 ohms DIN: 2 mV 10K

Outputs: line: .775V at 0 VU – required load impedance more than 20K DIN: 0.3V, required load impedance 10K

Headphones: 1.3mV 8 ohms /

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