Akai GX-270D

The Akai GX-270D is a classic, direct-drive, auto-reverse stereo reel-to-reel tape deck, produced by Akai in the mid-1970s. It is highly regarded for its robust construction, quiet operation, and quality playback using Akai’s famed GX (glass and crystal ferrite) heads.

Core Technical Specifications

• Production Years: 1976–1977

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

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

• Maximum Reel Size: 7 inches

• Number of Heads: 4 (2 GX playback, 1 GX record, 1 erase)

• Motor Configuration: 3 motors (2 reel motors, 1 capstan motor)

• Direct Drive: Yes (for capstan)

• Wow and Flutter: 0.07% (7½ ips)

• Frequency Response: 30 Hz to 23 kHz (7½ ips)

• Signal-to-Noise Ratio: 60 dB

• Total Harmonic Distortion: 1%

• Inputs: Line (70 mV), DIN (3 mV), Microphone (0.3 mV)

• Outputs: Line (0.775 V), DIN (0.5 V)

• Semiconductors: 52 transistors, 62 diodes

• Dimensions: 441 × 404 × 210 mm (W × D × H)

• Weight: 15.6 kg

• Voltage: 110–120V/220V (region dependent)

Features and Highlights

• GX Heads: Patented Akai glass and crystal ferrite heads ensure durability and consistent high-quality playback.

• Automatic and Manual Reverse Playback: Allows extended uninterrupted play.

• Direct Drive for Capstan: Eliminates belts, minimizing maintenance and noise, improving long-term reliability.

• Robust Construction: Heavy-duty chassis and electronics; easy access for maintenance.

• Large VU Meters: For easy, accurate level setting.

• Logic Control Functions: Smoothly switches between play, stop, rewind, and fast-forward.