Kyocera R-451

Data

General

  • Manufacturer: Kyocera
  • Model: R-451
  • Type: Receiver
  • Years of manufacture: 1982 - 1985
  • Made in: Japan
  • Color: metal silver / gray, wood side panels
  • Remote control: yes, system remote control
  • Power consumption: 175 watts
  • Dimensions: 460 x 110 x 340 mm (WxHxD)
  • Weight: 8.2 kg
  • Original price approx.: 450 US-$, 1'350 DM (including system remote control RC-101, signal transmitter RT-102)


Connections

  • Number of inputs:
    • Phono MM: 2.5 mV / 47 kOhm, 100 pF, 150 mV max.
    • High level 1 - 5: 150 mV / 30 kOhm
    • Main In: 250 mV / 47 kOhm

Antenna MW 300 Ohm Balanced Antenna VHF 300 Ohm Balanced Antenna VHF 75 Ohm Unbalanced

  • Number of outputs:
    • Rec Out: 250 mV / 560 Ohm

Pre Out: 250 mV / 560 Ohm, 25 V max.

    • Headphones
    • 2 pairs of loudspeakers


Technical Data

Amplifier

  • Continuous power (at distortion)
    • 8 Ohm: 2x 45 W (RMS, 20 - 20'000 Hz at 0.02 %)
    • 4 Ohm:
  • dynamic power
    • 8 Ohm:
    • 4 Ohm:
    • 2 Ohm:
  • Total harmonic distortion: 0.02 %
  • Attenuation factor: 50 at 8 Ohm
  • Frequency response:
    • Phono: 20 Hz - 20 kHz, ± 0.25 dB
    • High level: 10 - 100 kHz, ± 1.5 dB
  • Signal-to-noise ratio:
    • Phono MM: 80 dB
    • High level: 95 dB
  • Tone control:
    • Bass: ± 10 dB, switchable 100 Hz/ 200 Hz

Treble: ± 10 dB, switchable 5 kHz, 10 kHz

  • Loudness: + 7 dB at 100 Hz, + 3.5 dB at 10 kHz
  • High Filter: - 6 dB, 6 dB / octave at 10 Hz
  • Low Filter (Subsonic): - 3 dB, 12 dB / octave below 18 Hz
  • Mute: no


Tuner

  • Reception: FM/MW
  • Frequencies:
    • FM: 88 - 108 MHz
    • MW: 535 - 1605 KHz
  • Input sensitivity:
    • FM: 1.9µV
    • MW: 300µV
  • Frequency response: 30 - 15'000 Hz (+ 0 dB, - 1 dB)
  • Distortion factor:
    • FM (1 kHz): < 0.08% (mono), < 0.12% (stereo).
  • Signal-to-noise ratio:
    • FM:
      • Mono: 77 dB
      • Stereo: 72 dB

MW: 45 dB

  • Channel separation: 48 dB (1 kHz)
  • selectivity: 55 dB
  • Co-wave selection: 1.2 dB
  • Spurious wave selection:
    • FM: 88 dB
  • Mirror frequency attenuation:
    • FM: 68 dB

MW: 30 dB IF attenuation:

    • FM: 110 dB
    • MW: 60 dB
  • AM suppression: 58 dB
  • Fixed station memory: 6x FM, 6x MW


Special Features

  • FM muting
  • Fixed station memory: 6x FM, 6x MW


Remarks








Pictures

  • Picture: Kyocera R-451

Kyocera R-451-1.jpg


  • Excerpt from advertisement: Kyocera R-451

Kyocera R-451-Prospekt-1.jpg


Reports

Links