4 Channel Decoder Amplifier QL-600A

Pioneer Corporation; Tokyo

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  • Year
  • 1972–1974
  • Category
  • Audio Amplifier or -mixer
  • Radiomuseum.org ID
  • 232077

 Technical Specifications

  • Number of Transistors
  • 54
  • Semiconductors
  • Main principle
  • Audio-Amplification
  • Wave bands
  • - without
  • Details
  • Hi-Fi equipment
  • Power type and voltage
  • Alternating Current supply (AC) / 120; 110/120/130/220/240 Volt
  • Loudspeaker
  • - This model requires external speaker(s).
  • Power out
  • 20 W (44 W max.)
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: 4 Channel Decoder Amplifier QL-600A - Pioneer Corporation; Tokyo
  • Shape
  • Book-shelf unit.
  • Dimensions (WHD)
  • 430 x 138 x 337 mm / 16.9 x 5.4 x 13.3 inch
  • Notes

  • A hi-fi decoder amplifier with built-in SQ and RM decoding circuits housed in a wooden case with power output of 2 x 10 watts per channel, min. RMS into 8 ohms from 20Hz to 20kHz, with no more than 0.5% total harmonic distortion. Functions as rear amplifier. Add to conventional stereo equipment for expansion to four-channel.

    Specification  
    POWER AMPLIFIER SECTION  
    Music Power Output (IHF) 44W (4Ω)
    36W (8Ω)
    Continuous Power Output
    (both channels driven)    		 12W + 12W into 4Ω
    10W + 10W into 8Ω
    Harmonic Distortion < 0.5% (continuous power output)
    Intermodulation Distortion < 0.7% (continuous power output)
    Power Bandwidth (IHF) 20Hz — 30kHz (8Ω, HD < 0.5%)
    Frequency Response  20Hz — 20kHz ±1dB
    Speaker Outputs 1 pair (4 to 16Ω)
    Damping Factor 40 (8Ω, 1kHz)
    PREAMPLIFIER SECTION
    (MATRIX-DECODER SECTION)    		  
    Output Voltage (OUTPUT) 1V (rated output),
    3V (maximum output)
    Harmonic Distortion < 0.5% (maximum output)
    Frequency Response 20Hz — 20kHz ±1.5dB
    Input Sensitivity/Impedance
    (1kHz, for rated output)    		  
    2CH INPUT
    4CH AUX
    2CH/4CH TAPE MONITOR    		 100mV/60kΩ
    100mV/120kΩ
    200mV/120kΩ
    Recording Output
    (at 100mV input)    		  
    2CH/4CH TAPE REC
    2CH TAPE REC    		 100mV (pin jack)
    20mV (DIN connector)

    Semiconductors:  2 FETs, 54 Transistors, 17 Diodes

    Versions/Power requirements
    KLW  /  120V AC 60Hz
    FVW  /  110/120/130/220/240V AC 50/60Hz with voltage selector

    Power consumption:  55 watts max. (KLW), 75 watts (FVW)

  • Net weight (2.2 lb = 1 kg)
  • 8.1 kg / 17 lb 13.5 oz (17.841 lb)
  • Mentioned in
  • - - Manufacturers Literature (1973 & 1974 Pioneer Hi-Fi Stereo catalogues)
  • Literature/Schematics (1)
  • - - Manufacturers Literature (Service manual QL-600A dated May 1972)
  • Author
  • Model page created by Franz Scharner. See "Data change" for further contributors.

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