Kenwood KR-770

Data

General

  • Manufacturer: Kenwood
  • Model: KR-770
  • Year of manufacture: 1980 - 1982
  • Made in: Korea
  • Color: Silver
  • Remote control: no
  • Power consumption: 350 W max.
  • Dimensions (WxHxD): 538 x 133 x 365 mm
  • Weight: 12 kg
  • Original price approx.: 1'200 DM


Connections

  • Number of inputs:
    • Phono MM: 2.5 mV, 50 kOhm
    • Microphone: 2,5 mV
    • AUX: 150 mV, 50 kOhm
    • Tape Play 1, 2: 150 mV, 50 kOhm

FM antenna: 75 Ohm, 300 Ohm

    • MW antenna: 300 Ohm
  • Number of outputs:
    • Tape Rec 1, 2: 150 mV
    • Headphones (6,3mm jack):
    • 2 pairs of speakers


Technical Data

Amplifier

  • Continuous power (at distortion)

8 Ohm: 2x 80 W 4 Ohm: 2x 85 W

  • Dynamic power
    • 8 Ohm:
    • 4 Ohm:
  • Total harmonic distortion: 0.02 %
  • Attenuation factor: 60 at 8 Ohm
  • Frequency response: DC - 320'000 Hz, + 0 dB, - 3 dB
  • Signal-to-noise ratio:
    • Phono MM: 85 dB
    • Line: 105 dB
  • Tone control:
    • Bass: ± 10 dB at 100 Hz

crossover frequencies: continuously adjustable from 100 - 500 Hz

    • Mids: ± 10 dB at 2 kHz

Treble: ± 10 dB at 10 kHz

      • Crossover frequencies: continuously adjustable from 2 - 10 kHz
  • Loudness: + 10 dB at 100 Hz
  • High Filter: yes
  • Low Filter (Subsonic): - 6 dB at 18 Hz
  • Mute:


Tuner

  • Reception: FM, MW
  • Frequencies:
    • FM: 87.5 - 108 MHz
    • MW: 530 - 1610 kHz
  • Input sensitivity:
    • FM: 1.6 µV
    • MW: 18 µV
  • Frequency response: 30 - 15'000 Hz
  • Distortion factor:
    • Mono: 0.09 %
    • Stereo: 0,15 %
  • Signal-to-noise ratio:
    • FM:
      • Mono: 74 dB
      • Stereo: 70 dB
    • MW: 50 dB
  • Channel separation: 45 dB
  • selectivity: 55 dB
  • Co-wave selection: 1.0 dB
  • Spurious wave selection: 90 dB
  • IF attenuation: 80 dB
  • IF attenuation: 90 dB
  • MW suppression: 55 dB
  • Station memory: 6 FM, 6 MW


Special Features

  • Tone Linear Switch
  • Tape Dubbing
  • Microphone mixer
  • Peak display
  • Automatic station search
  • IF band switchable: Narrow / Wide
  • Mono / Stereo switchable


Remarks


Pictures

  • Extract from brochure: Kenwood KR-770

Kenwood KR-770-Prospekt-1.jpg


Reports

Links