Kenwood KR-6140

Data

General

  • Manufacturer: Kenwood
  • Model: KR-6140

Type: Receiver

  • Years of manufacture: 1970 - 1972
  • Made in: Japan
  • Color: silver
  • Remote control: Cable remote control RC-44 4-CH optional
  • Power consumption: 400 W (full scale), 50 W (no signal)
  • Dimensions (WxHxD): 440 x 175 x 370 mm
  • Weight: 16 kg
  • Original price approx:


Connections

  • Number of inputs:
    • Phono: 2.5 mV / 50 kOhm (max. 100 mV).
    • Microphone: Input level control front
    • AUX: 150 mV / 50 kOhm
    • AUX 4-channel: 150 mV / 50 kOhm
    • Tape Play: 150 mV / 50 kOhm
    • Tape Play 4-channel: 150 mV / 50 kOhm
    • Antenna FM (75 Ohm Unbalanced / 300 Ohm Balanced), AM
  • Number of outputs:
    • Tape Rec: 150 mV / 50 kOhm
      • DIN: 30 mV / 50 kOhm
    • Headphones Front / Rear: 2 x 6.3 mm jack plug
    • Loudspeaker pairs: A, B, C


Technical Data Tuner Part

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

MW: 520 - 1610 kHz

  • Frequency response: 20 - 15,000 Hz (± 1.2 dB, FM)
  • Input sensitivity:
    • FM: 1.9 µV (IHF)

MW: 20 µV Distortion factor:

    • FM: 0.5% (mono), 0.8% (stereo).
  • Signal-to-noise ratio:
    • FM: 65 dB (stereo)

MW: 50 dB

  • Channel separation:
    • FM: 40 dB (at 1 kHz)
  • Selectivity: (IHF)
    • FM: 55 dB
    • MW: 25 dB
  • Equal wave selection:
    • FM: 3.0 dB
  • Spurious wave selection:
    • FM: 45 dB
  • Image frequency attenuation:
    • FM: 60 dB
    • MW: 45 dB

IF attenuation:

    • FM: 90 dB
  • AM suppression: 60 dB


Technical Data Amplifier Part

  • Continuous power Quadro operation:
    • 8 Ohm: 4 x 30 W (1 kHz)

4 Ohm: 4 x 50 W (1 kHz) Dynamic power

    • 8 Ohm: 200 W

4 Ohm: 320 W

  • Continuous power stereo operation:
    • 8 Ohm:
    • 4 Ohm:
  • Dynamic power
    • 8 Ohm:
    • 4 Ohm:
  • Total harmonic distortion: 0.5% (at rated power)
  • Attenuation factor: 50 (8 Ohm)
  • Frequency response:
    • Preamplifier: 20 - 30,000 Hz ± 1 dB)
    • Power bandwidth: 15 - 40,000 Hz
  • Signal-to-noise ratio:
    • Phono: 65 dB
    • AUX, Tape: 75 dB
  • Tone control:
    • Bass: ± 10 dB at 100 Hz

Treble: ± 10 dB at 10 kHz

  • Loudness: + 10 / + 5 dB (100 Hz / 10 kHz)
  • Low Filter (Subsonic): - 7 dB at 100 Hz
  • High Filter: - 10 dB at 10 kHz
  • Mute: FM Muting


Special Features

  • Bass and treble control separately for front and rear
  • Switch for 4-channel SQ, Matrix, Mix / AUX / Mono
  • Pre-Out Output Front, Rear
  • Cable remote control RC-44 4-CH: Volume separately adjustable for all 4 channels


Remarks



Pictures

  • Picture: Kenwood KR-6140

Kenwood KR-6140 A-4.jpg


  • Picture: Kenwood KR-6140 cable remote control RC-44 4-CH: Volume separately adjustable for all 4 channels.

Kenwood KR-6140 A-4.jpg


Reports

Links