Akai GX-285D

The Akai GX-285D is a high-quality stereo reel-to-reel tape recorder produced around 1973–1974, known for combining Akai’s patented GX heads with an integral Dolby noise reduction system, which was innovative for consumer decks at the time.

Core Technical Specifications

• Production Years: 1973–1974

• Track System: Auto reverse, 4-track, 2-channel stereo/monaural

• Heads: 1 record, 1 playback, 1 erase head

• Motors: 2 reel motors, 1 capstan motor (3 motor system)

• Tape Speeds: 3¾ and 7½ ips (inches per second)

• Wow and Flutter: 0.08% (7½ ips)

• Frequency Response: 30 Hz to 24 kHz (±3 dB at 7½ ips)

• Signal-to-Noise Ratio: 58 dB

• Total Harmonic Distortion: 1.5%

• Crosstalk: 70 dB

• Inputs: 150 mV (Line), 0.8 mV (Mic)

• Dimensions: 435 × 460 × 260 mm

• Weight: 21 kg

Features and Highlights

• Akai GX Heads: Glass and crystal ferrite cores that provide long-lasting, high-fidelity audio playback and recording.

• Dolby Noise Reduction: Integrated Dolby NR system to reduce tape hiss and improve sound clarity.

• Three Motor Drive: Provides stable tape transport and consistent speed control.

• Auto Reverse: Allows continuous operation without manual flipping of tape reels.

• Sound Mixing & Sound on Sound: Enables overdubbing and live mixing during recording sessions.

• Lockable Pause Control & Solenoid Operation: Precise transport control ensures smooth operation and extended mechanical life.

• Tape Selector Switch & Dual Monitoring: Optimizes performance based on tape type and allows easy monitoring of source and recorded signals.