JVC 4VR-5456

Data

General

  • Manufacturer: JVC
  • Model: 4VR-5456
  • Type: Quadro receiver with built-in CD-4
  • Years of manufacture: 1974 - 1976
  • Made in: Japan
  • Color: front champagne, wooden cabinet walnut
  • Remote control: yes, 4-channel wired remote control for volume and balance
  • Power consumption: 530 watts
  • Dimensions: 513 x 180 x 405 mm
  • Weight: 20 Kg
  • Original price approx.: 800 US-$, 2'598 DM


Connections:

  • Number of inputs:
    • Phono 1, 2: Inputs switchable.
      • Low: 1.5 mV, 100 kOhm
      • High: 3 mV, 100 kOhm
    • AUX 1, 2: 150 mV, 100 kOhm
    • Tape Play 1, 2: 150 mV, 100 kOhm

FM 4-channel input: 150 mV, 100 kOhm Coaxial FM antenna connection (75 Ohm, 300 Ohm)

    • AM- antenna connection (300 Ohm)
  • Number of outputs:
    • Tape Rec 1, 2: 150 mV

FM demodulator output: 130 mV, 1.5 kOhm at 100% modulation

    • VHF Out for Oscilloscope:
    • 4 x speaker pairs: 2 x front, 2 x rear
      • 4-channel: 4 - 16 Ohm
      • 2-channel BTL: 8 - 16 Ohm
    • 2 x headphone output front + rear: 6.3 mm jack each


Technical data:

Amplifier:

  • Continuous power: Quadrophonic, 20-20 kHz.

8 ohms: 4 x 43 watts at 0.5%. 4 ohms: 4 x 60 watts at 0.5%.

  • music power: quadrophony, 20-20 kHz
    • 8 Ohm:
    • 4 Ohm:
  • Continuous power: BTL stereo, 20- 20 kHz
    • 8 Ohm: 2 x 100 Watts at 0.5
    • 4 Ohm:
  • music power: BTL stereo, 1 kHz
    • 8 Ohm:
    • 4 Ohm:
  • Total harmonic distortion: 0.5 % at rated power
  • Attenuation factor: 40 at 8 ohms, 1 kHz
  • Frequency response: 1 - 50'000 Hz ± 1 dB
  • Signal-to-noise ratio:
    • Phono High: 65 dB
    • Phono Low: 70 dB

High Level: 75 dB

  • Equalizer 5 sliders:
    • Equalizer center frequencies: 40 Hz, 250 Hz, 1 kHz, 5 kHz, 15 kHz
  • Control range: ± 12 dB
  • Loudness: yes, + 11 dB at 50 Hz, + 6 dB at 10 kHz
  • Low Filter: yes, - 10 dB at 50 Hz
  • High Filter: yes, - 10 dB at 10 kHz
  • Muting: yes


Tuner:

  • Reception: FM, AM
  • Frequencies:
    • FM: 88 - 108 MHz
    • MW: 535 - 1600 kHz
  • Input sensitivity:
    • FM: 1.8 µV
    • MW: 15 µV
  • Frequency response: 20 - 15'000 Hz, ± 1 dB
  • Distortion factor FM: Mono 0.3 %, Stereo 0.4 %
  • Signal-to-noise ratio:
    • FM: 65 dB

AM: 50 dB

  • Stereo channel separation: > 38 dB at 1 kHz
  • Selectivity:
    • FM: 65 dB
    • AM: 30 dB
  • Co-wave selection: 1.2 dB
  • Spurious wave selection: 65 dB
  • Mirror frequency attenuation:
    • FM: 80 dB
    • MW: 45 dB

IF attenuation:

    • FM: 90 dB
    • MW: 50 dB
  • AM suppression: 50 dB


CD-4 demodulator section:

  • Input sensitivity: 2.5 mV
  • Input impedance: 100 kOhm
  • Distortion factor: 0,07
  • Signal-to-noise ratio: > 70 dB
  • Channel separation at 1 kHz:
    • Left to Right: 50 dB

front to rear: 30 dB

  • Frequency range: 20 - 15'000 Hz


Special Features

  • Equipped with all quadraphonic systems:
    • CD-4

SQ Full Logic

    • Discrete
    • Matrix 1, 2
  • Remote control: yes, 4-channel cable remote control for volume and balance
  • SEA Rec function
  • Tape 2 connectors front panel with 6.3mm jack plug
  • 4-channel output jacks for oscilloscope
  • Audio Muting


Remarks


Pictures

  • Extract from brochure: JVC 4VR-5456

JVC 4VR-5456-1.jpg


  • Picture: JVC 4VR-5456 4-channel wired remote control for volume and balance.

JVC 4VR-5456-2.jpg


  • Introduction to JVC 4-channel playback technology.

JVC Quadro-Technologie-2.jpg


Reviews

  • Report from "Good Old Hifi": [[1]]


Links