Akai X-360

The Akai X-360 reel to reel tape deck is a professional-quality quarter-track stereo/monaural system produced between 1968 and 1971. Here is its technical overview:

• Track System: 4-track, 2-channel stereo/monaural quarter-track system with cross-field bias heads

• Tape Speeds: 1⅞, 3¾, 7½ inches per second (IPS); 15 IPS speed available with optional capstan sleeve and pinch roller

• Motors: Three motors including 3-speed hysteresis synchronous capstan motor and two 6-pole eddy current reel motors for consistent tape tension and speed

• Frequency Response:
  7½ IPS: 30 Hz to 23 kHz (±3 dB)
  3¾ IPS: 30 Hz to 18 kHz (±3 dB)
  1⅞ IPS: 40 Hz to 11 kHz (±3 dB)

• Wow and Flutter: 0.04% at 7½ IPS, 0.07% at 3¾ IPS, 0.15% at 1⅞ IPS

• Signal-to-Noise Ratio: Approximately 50 dB or better

• Total Harmonic Distortion: Approximately 1.5-2%

• Inputs: Microphone (≥0.5 mV), Line (≥50 mV), DIN inputs with switchable levels

• Outputs: Line (1.23 V), DIN, headphone output available

• Amplifier/Power: 25 W + 25 W output for speakers

• Speakers: Two 12 cm cone type built-in speakers for monitoring

• Features:
  Automatic reverse playback with reversible capstan motor and movable playback head (recording only forward)
  “Automatic Dust-minder” head cleaning indicator sensing treble response drop
  “Comput-O-Matic” automatic record level adjustment
  Fast tape braking with electromagnetic brakes
  Tape lifter during fast forward/rewind
  Multiple tape counter features and remote jack

• Construction: Walnut finish with robust wooden and metal cabinet, elegant design and high build quality

• Dimensions: 444 mm (W) x 406 mm (H) x 254 mm (D)

• Weight: 28 kg

• Power Supply: Multi-voltage support (100-240 V), 50/60 Hz switching

• Included Accessories: 7-inch metal reel, 15 IPS adapter kit, tape cleaner pads, silicon oil

This model is well regarded for its high fidelity sound reproduction, durability, and innovative automatic features typical of Akai's premium tape recorders during this period.