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

• Other models in the same series:
  • Kenwood KR-2010
  • Kenwood KR-3010
  • Kenwood KR-4010
  • Kenwood KR-5010
  • Kenwood KR-7050 / 7750
  • Kenwood KR-8050 / 8850
  • Kenwood KR-9050

Pictures

• Picture: Kenwood KR-7050

Reviews

• Review by "Good Old Hifi": [[1]]