Akai AS-1070

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Data[edit]

General

  • Manufacturer: Akai
  • Model: AS-1070

Type: Quadraphonic Receiver

  • Years of manufacture: 1975 - 1977
  • Made in: Japan
  • Color: silver, wooden case walnut
  • Remote control: yes, wired remote control
  • Power consumption:
  • Dimensions: 520 x 182 x 409 mm (WxHxD).
  • Weight: 17,6 kg
  • Original price approx.: 1'450 DM


Connections:

  • Number of inputs:
    • Phono 1: 3 mV, 47 kOhm, max. 130 mV
    • Phono 2: 3 mV, 47 kOhm
    • AUX: 160 mV, 47 kOhm
    • Tape Play 1, 2: 160 mV, 47 kOhm

Coaxial FM antenna connection (75 Ohm) AM antenna connection (300 Ohm)

  • Number of outputs:
    • Tape Rec 1, 2: 150 mV

4 x loudspeaker pairs: 2 x front, 2 x rear

    • 2 x headphone output front + rear: 6.3 mm jack each


Technical data:

Amplifier:

  • Continuous power: Quadrophonic

8 Ohm: 4 x 25 W (20 Hz - 20 kHz, 0.3 %)

    • 4 Ohm:
  • Continuous power: Stereo
    • 8 Ohm: 2 x 50 W (20 Hz - 20 kHz, 0.3 %)
    • 4 Ohm:
  • Music power: Quadrophonic
    • 8 Ohm:
    • 4 Ohm:
  • Total harmonic distortion: < 0,2 % bei Nennleistung
  • Dämpfungsfaktor: 50 bei 8 Ohm, 1 kHz
  • Frequenzgang (IHF): 10 Hz - 60'000 Hz
    • Phono RIAA: 20 Hz - 20 kHz (8 Ohm), ± 1 dB
    • Hochpegel: 10 - 60'000 Hz ± 3 dB
  • Signalrauschabstand:
    • Phono: >80 dB
    • Line: > 90 dB
  • Tone control:
    • Bass: ± 10 dB at 100 Hz

Treble: ± 10 dB at 10 kHz

  • Loudness: + 9 dB at 100 Hz, + 4 dB at 10 kHz
  • Low Filter (Subsonic): - 10 dB at 50 Hz (6 dB / octave)
  • High Filter: - 6 dB at 10 kHz (6 dB / octave)

Muting: - 20 dB


CD-4 Demodulator section:

  • Input sensitivity: 1.5 mV
  • Input impedance: 4.7 kOhm
  • Distortion factor: 0,07
  • Signal-to-noise ratio: > 70 dB
  • Channel separation at 1 kHz:
    • Left to right: 50 dB

front to rear: 30 dB

  • Frequency range: 20 - 15'000 Hz


Tuner:

  • Reception: FM, AM
  • Frequencies:
    • FM: 87.5 - 108 MHz
    • MW: 525 - 1605 kHz
  • Input sensitivity:
    • FM: 1.9 µV
    • MW: 5 µV
  • Frequency response: 20 - 15'000 Hz
  • Distortion factor FM: Stereo < 0.4 %, < Mono 0,2 %
  • Signalrauschabstand:
    • UKW: 70 dB
    • AM: 50 dB
  • Stereo-Kanaltrennung: >40 dB at 1 kHz
  • Selectivity:
    • FM: 70 dB

MW: 30 dB

  • Co-wave selection: 1.0 dB
  • Spurious wave selection: > 70 dB
  • Image frequency attenuation:
    • FM: > 65 dB

MW: > 55 dB IF attenuation:

    • FM: > 80 dB
    • MW: > 45 dB
  • AM suppression: 50 dB


Special Features

  • 2 VU meters
  • 4-channel systems: CD-4, SQ, Matrix
  • FM muting adjustable, slider control
  • Bass / Tweeter control V + H separately
  • VHF 4-channel output


Remarks[edit]



Pictures[edit]

  • Image: Akai AS-1070

Akai AS-1070-1.jpg


Reviews[edit]

Links[edit]

  • External link to website "The Vintage Knob": [[1]]</Mono></0,2>