Akai GX-625

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

• Heads: 1 x GX record, 1 x GX playback, 1 x erase head—all made of glass crystal ferrite for durability and excellent sound quality

• Motors: 3 motors — 2 reel drive motors and 1 capstan motor

• Reel Size: Supports up to 10.5-inch reels

• Tape Speeds: 3¾, 7½, and 15 inches per second (3 speeds)

• Frequency Response: 30 Hz to 26 kHz (at 7½ ips)

• Wow and Flutter: 0.03% at 7½ ips (very low)

• Signal-to-Noise Ratio: 62 dB at 7½ ips

• Total Harmonic Distortion: 0.5%

• Inputs: 70 mV (line), 2 mV (DIN), 0.25 mV (mic)

• Outputs: 0.775 V (line), 0.775 V (DIN)

• Dimensions: 440 mm (W) x 446 mm (H) x 241 mm (D)

• Weight: Approximately 17.6 kg (38.8 lbs)

• Features:
  Electronic digital tape counter with real-time hours:minutes:seconds display for up to 2 hours 59 minutes 59 seconds
  Auto stop, auto play, and auto repeat functions programmable through the digital counter
  Microcomputer-controlled electronic brake slowing rewind before mechanical brake fully stops the tape to protect tapes and enable accurate playback positioning
  Feather-touch direct function controls
  Built-in pitch control (standard on GX-625 versus optional on GX-620)
  Robust and precise tape transport ensuring high-fidelity playback and recording

• Manufacture Period: Late 1970s to early 1980s

• Market Position: Mid-to-high fidelity consumer model with advanced features for the period

This deck was known for combining solid-state electronics with innovative digital automation to enhance the usability and protection of tapes, making it popular among audiophiles and semi-professionals.