Akai GX-4000D
Akai
Japan
Tape Deck Details
Number of Motors
1
Number of Heads
3
Head Configuration
Stereo
Wow & Flutter
0.08% at 7½ ips
Signal-to-Noise [dB]
60
Dimensions [mm]
440 x 315 x 230
Weight [kg]
13.2
Year built
1978 to 1984
Head Composition
Ferrite/Glass
Equalization
NAB
Frequency Response
30 Hz to 24 kHz at 7½ ips
Speed
3¾, 7½
Max Reel [inch]
7
Tracks
1/4 Rec/PB
Price
Additional Information
Track System: 4-track, 2-channel stereo/monaural recording and playback.
Heads: 3 heads total — 1 x GX playback, 1 x GX record, 1 x erase; made of durable glass crystal ferrite material.
Motor: Single 4-pole induction motor.
Tape Speeds: 3¾ inches per second (9.5 cm/s) and 7½ inches per second (19 cm/s).
Maximum Reel Size: 7 inches.
Wow and Flutter: 0.08% RMS or less at 7½ ips.
Frequency Response: 30 Hz to 24 kHz (±3 dB) at 7½ ips, 30 Hz to 16 kHz (±3 dB) at 3¾ ips.
Signal-to-Noise Ratio: 60 dB (JIS standard).
Total Harmonic Distortion: Approximately 1% at 1 kHz and 0 VU.
Crosstalk: 40 dB.
Inputs: Microphone 0.25 mV / 600 Ω, Line 70 mV / 100 kΩ or more, DIN 2 mV / 10 kΩ.
Outputs: Line 0 to 775 mV (max 0 VU) with load impedance 50 kΩ or more, DIN 0.3 V (max 0 VU), Headphone output 0 to 100 mV / 8 Ω (max 0 VU).
Dimensions: 440 mm (W) x 315 mm (H) x 230 mm (D).
Weight: About 13.2 kg.
Power Supply: 100 VAC, 50/60 Hz.
Additional Features: Twin VU meters for recording and playback level indication, recording safety button, monitor selector switch, sound-on-sound recording, microphone jacks and level controls, robust and precise tape transport typical of Akai's late 70s to early 80s consumer models.
Manufacture Period: 1978 to 1984.
Country of Manufacture: Japan.
The GX-4000D is highly regarded for its warm sound, durable glass crystal ferrite heads, and solid build quality, making it a favorite among vintage reel-to-reel enthusiasts and home studios.