
Akai GX-1820D
Akai
Japan

Tape Deck Details
Number of Motors
3
Number of Heads
2
Head Configuration
Stereo
Wow & Flutter
0.08
Signal-to-Noise [dB]
50
Dimensions [mm]
445 x 432 x 243
Weight [kg]
20.5
Year built
1974 - 1978
Head Composition
Permalloy
Equalization
NAB
Frequency Response
30 Hz to 24 kHz at 7½ ips
Speed
3¾, 7½
Max Reel [inch]
Tracks
$800
1/4 Rec/PB
Price
User
Consumer
Additional Information
Track system: 4-track, 2-channel stereo/monaural
Heads: 2 heads total — combined record/playback head and erase head, both Permalloy
Motors: 3 motors (one eddy current outer rotor motor for capstan, two reel motors)
Tape speeds: 3¾ and 7½ inches per second
Maximum reel size: 7 inches
Frequency response: 30 Hz to 24 kHz at 7½ ips, and 30 Hz to 19 kHz at 3¾ ips
Wow and flutter: less than 0.08% at 7½ ips, less than 0.12% at 3¾ ips
Signal-to-noise ratio: better than 50 dB at 7½ ips
Total harmonic distortion: 1.5%
Outputs: RCA line output
Dimensions: 445 x 432 x 243 mm (17½ x 17 x 9½ inches)
Weight: 20.5 kg (45.1 lbs)
Additional features: Auto reverse function, three-motor tape deck, black face panel, and some models included a built-in 6W per channel amplifier and an 8-track cartridge player section
Power: 110-120 V AC
Manufacture years: 1974-1978
This unit was a hybrid stereo reel-to-reel and 8-track cartridge combination deck, notable for versatile media playback and recording options in the mid-1970s. It offered reasonable sound quality and reliability for consumer use with compact dimensions accommodating 7" reels