Akai 4000

Data

General

• Manufacturer: Akai
• Model: 4000
• Years of manufacture: 1970 - 1973
• Made in: Japan
• Color: silver / black, case wood walnut
• Type: 3-head coil tape with built-in amplifier and speakers
• Remote control:
• Power Consumption: 65 W
• Dimensions: 405 x 315 x 180 mm (WxHxD)
• Weight: 12 kg
• Original price approx.: 950 DM

Connections

• Number of inputs:
  • Microphone: 0.5 mV

Line: 50 mV

• • DIN:
• Number of outputs:
  • Line: 1.23 V
  • DIN:
  • 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:
  • 30Hz - 17kHz ±3dB(9.5cm/sec).
  • 30Hz - 22kHz ±3dB(19cm/s)
• Coincident frequency response:
  • 9.5 cm/sec: 0.25 %
  • 19 cm/sec: 0.15 %
• Signal to noise ratio: > 50dB
• External voltage spacing:
• Distortion factor (1000Hz, "0" VU recording): < 2 %.
• Cancellation attenuation: < 70dB
• Premagnetization and extinction frequency: 100kHz
• Equalization: according to NARTB
• Crosstalk attenuation:

Amplifier Section Technical Specifications

• Continuous power:
  • 8 Ohm:
  • 4 Ohm:
• Dynamic power:
  • 8 Ohm: 24 Watt (12+12W).
  • 4 Ohm:
• Tone control: Yes
  • Bass:
  • Treble:
• Speakers: L/R, each 10 x 15cm oval

Special Features

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

Remarks

• Other models in the same series:
• Akai 1710 L
• Akai 1710 W
• Akai 4000
• Akai 4000 D
• Akai 4000 DS
• Akai GX-220
• Akai GX-220 D
• Akai GX-280
• Akai GX-280 D
• Akai GX-365
• Akai GX-365 D
• Akai M-10 L/W
• Akai X-150 D
• Akai X-200 D
• Akai X-300
• Akai X-330
• Akai X-330 D
• Akai X-360
• Akai X-360 D
• Akai X-1800 SD
• Akai X-2000 SD
• Akai X-5000 L/W

Pictures

• Excerpt from brochure: Akai 4000