Kenwood KR-3130

Data[edit]

General

  • Manufacturer: Kenwood
  • Model: KR-3130
  • Year of manufacture: 1970 - 1972
  • Made in: Japan
  • Color: Silver, Black, Walnut wood cabinet
  • Remote control: No
  • Power consumption: 85 W at full output / 15 W without signal
  • Dimensions: 425 x 122 x 315 mm
  • Weight: 7.5 kg
  • Original price approx.: 220 US-$, 800 DM


Connections

  • Number of inputs:
    • Phono 1/2: 2.5 mV / 50 kOhm

MIC: 3 mV / 100 kOhm Aux / Tape Play: 150 mV / 50 kOhm

    • Main In: 100 mV / 100 kOhm
    • Antenna: FM (75 Ohm Unbalanced / 300 Ohm Balanced), AM.
  • Number of outputs:
    • Tape Rec (RCA / DIN): 150 mV / 30 mV.
    • Pre-Out:
    • Headphones
    • 2 pairs of speakers


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: 2.0µV

MW: 25µV Distortion factor:

    • Mono: 0.5 %

Stereo: 0.8

  • Signal to noise ratio: 60 dB
  • Common mode selection: 4.0 dB
  • Channel separation (1 kHz): 30 dB
  • Selectivity:
    • FM: 45 dB

MW: 25 dB

  • Co-wave selection: 70 dB
  • Spurious wave selection: 40 dB
  • IF attenuation: 60 dB
  • IF attenuation:
  • AM suppression:


Amplifier Part Specifications

  • Continuous power (at distortion)
    • 8 Ohm: 2 x 19 W

4 Ohm: 2 x 22 W

  • Dynamic power
    • 8 Ohm: 42 W (IHF)
    • 4 Ohm: 50 W (IHF)
  • Total harmonic distortion: 0.5 % at full modulation
  • Attenuation factor: 50 at 8 Ohm
  • Frequency response: 20 - 20000 Hz
  • Power bandwidth(IHF): 20 - 20000 Hz
  • Signal to noise ratio:
    • Phono 1/2: 60 dB
    • Microphone: 58 dB

Aux/Tape Play: 75 dB

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

Treble: ± 10 dB at 10 kHz

  • Loudness: + 10 dB / 100 Hz, + 5 dB / 10 kHz
  • Noise Filter: -10 dB at 10 kHz


Special Features

  • Separable pre- and power amplifier
  • Mono / Stereo switch
  • Microphone inputs L + R
  • Kenwood original microphone MC-501 optionally available
  • FM muting
  • Note: in some countries the unit was originally supplied with metal cover. The walnut wooden case was optionally available under the designation SR-33 for example in the USA for 19.95 US-$.


Remarks[edit]


Pictures[edit]

  • Kenwood KR-3130

KR-3130-2.jpg


  • Option: Kenwood original microphone MC-501

KR-6170-MC-501-1.jpg


Reports[edit]

Links[edit]