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

• Other models in the same series:
• Kenwood KR-55
• Kenwood KR-80
• Kenwood KR-710
• Kenwood KR-720
• Kenwood KR-730
• Kenwood KR-750
• Kenwood KR-770

Pictures

• Extract from brochure: Kenwood KR-770