Acai 4400

Data[edit]

General

  • Manufacturer: Akai
  • Model: 4400
  • Years of manufacture: 1973 - 1975
  • Made in: Japan
  • Color: silver / black, housing wood walnut
  • Type: 3-head coil tape with built-in amplifier and speakers
  • Remote control:
  • Power consumption: 60 W
  • Dimensions: 412 x 355 x 194 mm (WxHxD)
  • Weight: 13.7 kg
  • Original price approx.: 1'250 DM


Connections

  • Number of inputs:
    • Microphone: 0.8 mV, 5 kOhm

Line: 60 mV, 150 kOhm

    • DIN:
      • Low: 5 mV
      • High: 20 mV
  • Number of outputs:
    • Line: 1.23 V
    • DIN: 0.7 mV
    • Headphones: 30 - 40 mV at 8 Ohm
    • Loudspeaker: see amplifier section


Technical data

  • Max. coil diameter: 18 cm
  • Drive: 1 motor
  • Heads: 3 (one head each for recording and playback, 1 ferrite erasing head)
  • Tracks: 4
  • Tape speed: 9.5 / 19 cm/sec
  • Overall frequency response:
    • 9.5 cm/sec: 30 Hz - 15 kHz ± 3 dB.
    • 19 cm/sec: 30 Hz - 22 kHz ± 3 dB
  • Synchronous frequency response:
    • 9.5 cm/sec: 0.2 %
    • 19 cm/sec: 0.15 %
  • Signal-to-noise ratio: > 50dB
  • External signal-to-noise ratio:
  • Distortion factor (1000Hz, "0" VU recording): < 2 %.
  • Cancellation attenuation: < 70dB
  • Premagnetization and extinction frequency: 100 kHz
  • Equalization: according to NARTB
  • Crosstalk attenuation:
  • Rewind time: 180 seconds for 350 m band.


Amplifier Section Specifications

  • Continuous power:
    • 8 Ohm: 2x 6 W
    • 4 Ohm:
  • Dynamic power:
    • 8 Ohm: 16 W
    • 4 Ohm:
  • Tone control:
    • Bass:
    • Treble:
  • Speaker: L/R, each 10 x 15cm oval


Special Features

  • Model with built-in amplifier and speakers
  • Multiplay
  • Duoplay
  • Post-band control
  • Automatic limit stop
  • Horizontal or vertical operation


Remarks[edit]


Pictures[edit]

  • Excerpt from brochure: Akai 4400

Datei:Akai 4400-Prospekt-1.jpg


Reports[edit]

Links[edit]