Stereo Amplifier A-5

Pioneer Corporation; Tokyo

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  • Year
  • 1981/1982
  • Category
  • Audio Amplifier or -mixer
  • Radiomuseum.org ID
  • 151094

 Technical Specifications

  • Number of Transistors
  • Semiconductors present.
  • Semiconductors
  • Main principle
  • Audio-Amplification
  • Wave bands
  • - without
  • Details
  • Hi-Fi equipment
  • Power type and voltage
  • Alternating Current supply (AC) / 120; 220/240 Volt
  • Loudspeaker
  • - This model requires external speaker(s).
  • Power out
  • 70 W (undistorted)
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: Stereo Amplifier A-5 - Pioneer Corporation; Tokyo
  • Shape
  • Book-shelf unit.
  • Dimensions (WHD)
  • 420 x 98 x 367 mm / 16.5 x 3.9 x 14.4 inch
  • Notes

  • A hi-fi stereo "Non-Switching" integrated amplifier housed in a champagne gold metal case with a Pictographic display, with continuous power output of 2 x 35 watts into 8 ohms. With tape copy, tone control defeat, loudness, muting, terminals for 2 pairs of loudspeakers and jack for headphones.

    Integrierter "Non-Switching"-Stereo-Verstärker mit pictographischer Anzeige.
    2 x 45 Watt Sinus an 8 Ohm (DIN).
    Eingänge: Plattenspieler, 2 TB, Tuner, AUX.
    Ausgänge: 2 Paare LS, 1 Paar Kopfhörer.
    Gehäuseausführung: Champagnergold.

    Specification  
    Power Amplifier Section  
    Continuous Power Output
     20Hz — 20,000Hz
     THD 0.009%    		 35W + 35W into 8Ω
    Total Harmonic Distortion:
    (20 — 20,000Hz, 8Ω)    		  
    Continuous rated output
    17.5 watts per channel output    		 No more than 0.009%
    No more than 0.007%
    Intermodulation Distortion  
    Continuous rated power output
    17.5 watts per channel output    		 No more than 0.007%
    No more than 0.005%
    Output  
     Speakers
     Headphones    		 A, B, A+B (6—16Ω)
    Low impedance
    Damping Factor
    20 — 20,000Hz, 8Ω
    50 
    Preamplifier Section  
    Input Sensitivity/Impedance  
     PHONO MM
     TUNER
     AUX
     TAPE PLAY 1
     TAPE PLAY 2    		 2.5mV/50kΩ
    150mV/50kΩ
    150mV/50kΩ
    150mV/50kΩ
    150mV/50kΩ
    Output Level/Impedance  
     TAPE REC 1
     TAPE REC 2    		 150mV/2.7kΩ
    150mV/2.7kΩ
    Frequency Response  
     PHONO (RIAA Equalization)
     TUNER, AUX, TAPE    		 20 — 20,000Hz ±0.5dB
    5 — 200,000Hz +0dB,-3dB
    Hum and Noise
    (IHF, A-network)    		  
     PHONO
     TUNER, AUX, TAPE    		 70dB
    100dB
    Hum and Noise (DIN)
    continuous rated output/50mW    		  
     PHONO
     TUNER, AUX, TAPE    		 72dB/64dB
    95dB/69dB
    Muting  -20dB

    Versions/Power Requirements
    KU USA      /  120V AC 60Hz
    HE Europe /  220/240V AC 50/60Hz switchable
    HB UK       /  220/240V AC 50/60Hz switchable

  • Net weight (2.2 lb = 1 kg)
  • 6.5 kg / 14 lb 5.1 oz (14.317 lb)
  • Source of data
  • -- Original prospect or advert
  • Mentioned in
  • - - Manufacturers Literature (1981/82 Pioneer Hi-Fi Stereo catalogue)
  • Literature/Schematics (1)
  • - - Manufacturers Literature (Service manual Pioneer A-5 dated May 1981)
  • Author
  • Model page created by Franz Scharner. See "Data change" for further contributors.

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