Akai Pro-1000

The Akai Pro-1000 reel to reel tape deck is a semi-professional model produced between 1977 and 1982, renowned for high-quality audio and advanced features. Here's an overview of its technical specifications:

• Track System: 2/4-track, 2-channel stereo system, capable of high-quality stereo and mono recording.

• Heads: 4 heads — 2 GX recording heads, 2 GX playback heads, and 1 erase head, all permalloy for durability and fidelity.

• Motors: 3 motors — two eddy current reel motors for each side and a built-in AC servo capstan motor with a Center Pole Generator for stability.

• Reel Size: Supports reels up to 10.5 inches.

• Tape Speeds: 3¾, 7½, and 15 inches per second, with an extremely high degree of accuracy (speed deviation of ±0.5%).

• Wow and Flutter: 0.025% WRMS at 15 ips, one of the best in the industry.

• Frequency Response:
  50 Hz to 20 kHz at 15 ips,
  around 50 Hz to 16 kHz at 7½ ips,
  and 50 Hz to 8 kHz at 3¾ ips.

• Signal-to-Noise Ratio: 60 dB, with high dynamic range.

• Total Harmonic Distortion: Less than 1% at various speeds.

• Input/Output:
  Line input: 70 mV,
  Microphone input: 0.3 mV.
  Output: 0.775 V line level; mono and stereo options.

• Metering: Dual peak or VU meters, switchable for bias check and level monitoring.

• Additional Features:
  Double-capstan system for exceptionally stable tape handling.
  Bias and equalization presets calibrated for Scotch #206 tape.
  Switchable meters for bias monitoring.
  Variable bias control (+/- 40%) for different tape formulations.
  Compact, rugged, and advanced mechanical design.

• Power: 100 V in Japan, with optional other voltages available.

This tape recorder was designed for musicians, studio engineers, and serious home audiophiles, providing professional-quality recording and playback with high fidelity, stability, and flexibility.