Kenwood KR-7050 / 7750

Data

General

  • Manufacturer: Kenwood
  • Model: KR-7050 / KR-7750 (Black aluminium front)
  • Years of manufacture: 1979 - 1980
  • Made in: Japan
  • Color: silver (KR-7050) black (KR-7750)
  • Remote control: no
  • Power consumption: 600 W (max)
  • Dimensions: 546 x 172 x 411 mm (WxHxD)
  • Weight: 17,2 kg
  • Original price approx.: 660 US-$ (1979), 1600 DM


Connections

  • Number of inputs:
    • 1x Phono MM (Cinch):
    • 2x Tape In (Cinch/DIN):
    • AUX (Cinch): 1
    • Microphone:
    • Dolby NR In
    • Antenna FM (75/300 Ohm), AM
  • Number of outputs:
    • 2x Tape Out (RCA/DIN):
    • FM Quadradial
    • Dolby NR Out
    • Headphones (6.3 mm jack, front)
    • 2 pairs of loudspeakers


Technical Data

Amplifier

  • Continuous power (20-20,000 Hz)

8 Ohm: 2x 80 W, 2x 85 W at 1 kHz 4 Ohm: 2x 100 W

  • Dynamic Power Output
    • 8 Ohm:
    • 4 Ohm: 360 W
  • Total harmonic distortion:
  • Attenuation Factor:
  • Frequency Response:
    • Preamplifier:
    • Power bandwidth:
  • Signal-to-noise ratio:
    • Phono MM: 85 dB for 2.5 mV / 91 dB for 5.0 mV

AUX, Tape: 108 dB for 200 mV

    • Microphone: 72 dB for 2.2 mV
  • Stereo channel separation:
  • Tone control:
    • Bass: ±12 dB at 50 Hz
    • Mid: ±10 dB at 800 Hz

Treble: ±12 dB at 15 kHz

  • Loudness: 105 dB (100 Hz)
  • High Filter: 5 kHz 6 dB/oct
  • Subsonic Filter (DC Coupled off): 18 Hz 6 dB/oct
  • Mute: FM Muting
  • Direct/Line-Straight: yes (Tone Defeat)


Tuner

  • Reception: FM, MW
  • Frequencies:
    • FM: 87.5 - 108 MHz

MW: 525 - 1605 kHz

  • Frequency response: 20 - 15,000 Hz (+0/-1.5 dB, FM)
  • Input sensitivity:
    • FM: 1.5 µV (IHF)

MW: 10 µV Distortion factor:

    • FM: 0.15% (mono), 0.2% (stereo).
  • Signal-to-noise ratio:
    • FM: 75 dB (mono), 70 dB (stereo)

MW: 50 dB

  • Channel separation:
    • FM: 45 dB (at 1 kHz)
  • Selectivity: (IHF)

FM: 83 dB

    • MW: 35 dB
  • Equal wave selection:
    • FM: 1.3 dB
  • Spurious wave selection:
    • FM: 115 dB
  • Image frequency attenuation:
    • FM: 100 dB
    • MW: 70 dB
  • IF attenuation:
    • FM: 115 dB
  • AM suppression: 60 dB


Special Features

  • Microphone input front
  • Also available in black

Remarks


Pictures

  • Picture: Kenwood KR-7050

Kenwood KR-7050-1.jpg


Reviews

  • Review by "Good Old Hifi": [[1]]


Links