Akai GX-280D SS

The Akai GX-280D SS is a high-quality 4-track, 2-channel stereo/monaural reel-to-reel tape recorder produced in the mid-1970s, recognized for solid build quality, advanced features, and excellent sound performance. It is part of Akai’s GX series, featuring patented glass and crystal ferrite (GX) heads for enhanced durability and fidelity.

Core Technical Specifications

• Production Years: Circa 1973 to late 1970s

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

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

• Maximum Reel Size: Up to 7 inches

• Number of Heads: 4 heads (record, playback, 2 erase heads)

• Head Composition: GX Glass and Crystal Ferrite heads for long life and high fidelity

• Motors: 3 motors (1 direct drive servo capstan motor, 2 eddy current reel motors)

• Wow and Flutter: Less than 0.08% at 7½ ips

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

• Signal-to-Noise Ratio: Approximately 50-55 dB depending on configuration

• Total Harmonic Distortion: Around 1.5% at 1 kHz

• Input Levels: Line input 150 mV, microphone 0.8 mV, DIN input 5 mV

• Output Levels: Line output 1.23 V, DIN output 0.4 V

• Dimensions: Approximately 445 × 465 × 237 mm (W × D × H)

• Weight: Approximately 21-23 kg

• Power Consumption: Roughly 20-140 W (varies by version and region)

Features and Highlights

• Direct Capstan Servo Drive: Operates without belts or idler wheels, providing precise tape speed control and reduced wow/flutter.

• Patented GX Heads: Combining glass and crystal ferrite materials, heads provide minimal wear, high durability, and excellent signal quality.

• 3-Motor System: Ensures stable and reliable tape movement via dedicated motors for capstan and reel drives.

• Automatic Shut-Off: Stops tape and power when tape ends or breaks to protect the unit.

• Supports Akai Super Range Tape: Special low noise tape recommended for superior performance.

• Heavy-Duty Robust Construction: Durable chassis and components for professional-grade sound reproduction.

• 50+ dB Crosstalk Rejection: Minimizes channel interference for cleaner stereo separation.