Akai 1721 L/W

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Data[edit]

General

  • Manufacturer: Akai
  • Model: 1721 L/W (L=leather, W=wooden case)
  • Type: Reel-to-reel tape with built-in amplifier and speakers
  • Years of manufacture: 1973 - 1975
  • Made in: Japan
  • Color: Silver / Black, leather or wood walnut cabinet.
  • Remote control:
  • Power Consumption:
  • Dimensions: 358 x 360 x 248 mm (WxHxD).
  • Weight: 13.2 kg
  • New price approx:
    • 1721 L: 1'180 DM
    • 1721 W: 1'237 DM


Connections

  • Number of inputs:
    • Microphone: 0.5 mV, 100 kOhm

Line: 150 mV, 330 kOhm

    • DIN: 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: 2 (head for recording and playback, 1 ferrite erasing head)
  • Tracks: 4
  • Tape speed: 9.5 / 19 cm/sec
  • Overall frequency response:
    • 9.5 cm/sec: 40 Hz - 13 kHz ± 3 dB.
    • 19 cm/sec: 30 Hz - 18 kHz ± 3 dB
  • Synchronous frequency response:
    • 9.5 cm/sec: 0.18 %

19 cm/sec: 0.14 % * Signal-to-noise ratio: > 50 dB

  • Signal-to-noise ratio: > 50 dB
  • External signal-to-noise ratio:
  • Distortion factor (1000Hz, "0" VU recording): < 2 %.
  • Cancellation attenuation: < 70 dB
  • Premagnetization and extinction frequency: 63 kHz
  • Equalization: according to NARTB
  • Crosstalk attenuation:
  • Rewind time: 100 seconds for 350 m band


Amplifier Section Specifications

  • Continuous power:
    • 8 Ohm: 2x 3 W
    • 4 Ohm:
  • Dynamic power:
    • 8 Ohm: 10 W
    • 4 Ohm:
  • Tone control:
    • Bass:
    • Treble:
  • Speakers: 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 1721 W

Akai 1721 L-W-Prospekt-2.jpg


  • Excerpt from brochure: Akai 1721 L

Akai 1721 L-W-Prospekt-1.jpg


Reports[edit]

Links[edit]