Kenwood KR-77

Data

General

• Manufacturer: Kenwood
• Model: KR-77
• Year of manufacture: 1969 - 1971
• Made in: Japan
• Color: Silver, black, wood foil
• Remote control: No
• Power consumption: 113 W at full output / 20 W without signal
• Dimensions: 425 x 122 x 315 mm
• Weight: 10.4 kg
• Original price approx.: 1'200 DM

Connections

• Number of inputs:
  • Phono 1,2: 2 mV / 50 kOhm

Aux: 200 mV / 50 kOhm

• • Tape Play:
    • Cinch: 200 mV / 50 kOhm
    • DIN: 200 mV
  • Main In: 100 mV
  • Antenna: FM (75 Ohm Unbalanced / 300 Ohm Balanced), AM
• Number of Outputs:
  • Tape Rec:
    • Cinch: 200 mV / 50 kOhm
    • DIN: 35 mV
    • Dubbing: 200 mV
  • Headphones
  • 2 pairs of loudspeakers

Technical Data Tuner Part

• Reception: FM, MW
• Frequencies:
  • FM: 88 - 108 MHz

MW: 535 - 1605 kHz

• Frequency response:
• Input sensitivity:
  • FM: 1.9µV
  • MW: 15µV
• Distortion factor: < 0,8 %
• Signalrauschabstand: >60 dB
• Common mode selection: 2.5 dB
• Channel separation (1 kHz): > 35 dB
• selectivity:
  • FM: > 40 dB

MW: > 25 dB

• Co-wave selection:
  • FM: > 70 dB

MW: > 25 dB

• Spurious wave selection: > 45 dB
• Mirror frequency attenuation:
  • FM: > 70 dB
  • MW: > 90 dB
• IF attenuation: > 80 dB
• AM suppression:

Technical Data Amplifier Part

• Continuous power (at distortion factor)
  • 8 Ohm: 2 x 24 W
  • 4 Ohm: 2 x 33 W
• Dynamic power
  • 8 Ohm: 56 W (IHF)
  • 4 Ohm: 75 W (IHF)
• Total harmonic distortion: < 0.5 % at rated power
• Attenuation factor: 23 at 8 Ohm
• Frequency response: 20 - 30000 Hz ± 1.5 dB
• Power bandwidth (IHF): 20 - 30000 Hz
• Signal-to-noise ratio:
  • Phono: 60 dB

AUX: 70 dB

• • Tape: 70 dB
• Tone control:
  • Bass: ± 10 dB at 100 Hz

Treble: ± 10 dB at 10 kHz

• Loudness: + 8 dB / 100 Hz, + 3 dB / 10 kHz
• Low Filter: 200 Hz cutoff
• High Filter: 3000 Hz Cutoff

Special Features

• Mono / Stereo switch
• Dubbing output front, 6.3 mm jack plug
• Pre- and power amplifier separable
• Center channel output

Notes

• Other models in the same series:
  • Kenwood KR-33 L
    • KR-33 L
  • Kenwood KR-44 SL
    • KR-44 SL
  • Kenwood KR-77
    • KR-77
  • Kenwood KR-100
    • KR-100

Pictures

• Extract from brochure: Kenwood KR-77

Links

• External website "Vintage Electronics": [[1]]</0,8>