Akai GX 220D

The Akai GX-220D is a classic 4-track, 2-channel stereo/monaural reel-to-reel tape deck designed for home hi-fi and semi-professional use, noted for its solid-state construction, robust engineering, and innovative Akai GX Glass & X'tal Ferrite heads for long life and low wear.

Technical Overview

• Track System: 4-track, 2-channel stereo/monaural system (full forward/reverse play & record)

• Reel Size: Up to 7-inch diameter reels

• Tape Speeds: Three speeds — 1⅞, 3¾, and 7½ ips (4.75, 9.5, 19 cm/sec)

• Heads: 3 heads
  1 x GX playback
  1 x GX record
  1 x erase
  Heads use Akai’s special glass and crystal ferrite design for maximum lifespan and minimal signal loss.

• Motors: 3 total (1 capstan, 2 reels)

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

• Wow and Flutter:
  0.08% (7½ ips)

• Signal-to-Noise Ratio:
  50 dB

• Total Harmonic Distortion:
  1.5%

• Inputs:
  50 mV (line), 7 mV (DIN), 0.2 mV (mic)

• Outputs:
  1.23 V (line)
  RCA connectors

• Dimensions: 430 x 425 x 230 mm

• Weight: 19 kg

• Voltage: 110–120V, 220–240V switchable models

• Special Features:
  Auto-reverse play/record
  Digital 4-digit tape counter
  High output signal (may be louder than other tape decks when set at 0 VU)
  Durable glass and crystal ferrite GX heads for near-zero wear, capable of delivering strong high frequency response after decades of use
  Tape selector for optimal bias/equalization (compatible with various tape types)

• Build: Solid-state, Japanese manufacture with robust reliability (long-term reliability rating: 9/10).

Summary

The Akai GX-220D is regarded as a high-end deck for 7-inch reels in its era, offering smooth and quiet transport, gentle and strong reel motors, broad frequency response, and especially long service life due to its advanced GX head technology. It is a favorite among vintage tape enthusiasts for both playback and recording, and exceeds typical consumer units in both features and sonic performance.