Pioneer A-04

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Data

General

  • Manufacturer: Pioneer
  • Model: A-04
  • Type: Stereo integrated amplifier
  • Years of manufacture: 1993 - 1996
  • Made in: Japan
  • Color: front, cabinet champagne color
  • Power consumption: 145 W max.
  • Dimensions: 440 x 163 x 476 mm (WxHxD)
  • Weight: 15.2 kg
  • Original price approx.: 89'000 Yen (Japan, 1993), 1'300 DM


Connections

  • Number of inputs:
    • Phono MM: 2.8 mV / 50 kOhm, max. 200 mV (0.1 %, 1 kHz).
    • Phono MC: 0.25 mV / 100 Ohm, max. 16 mV (0.1 %, 1 kHz)

Line: 200 mV / 30 kOhm

    • Tuner: 200 mV / 30 kOhm

CD: 200 mV / 30 kOhm DAT: 200 mV / 30 kOhm

    • Tape Play 1, 2: 200 mV / 30 kOhm
  • Number of outputs:
    • Tape Rec 1, 2: 200 mV / 1 kOhm.
    • Headphones:
    • 2 speaker pairs: 4 - 16 Ohm


Technical Data

  • Continuous power Class-A
    • 8 Ohm: 2 x 45 W (20 Hz - 20 kHz, distortion factor < 0.02%)

4 Ohm: 2 x 90 W

  • Dynamic power
    • 8 Ohm: 160 W
    • 4 Ohm:
  • Total harmonic distortion: 0.01% or less
  • Attenuation factor: 300 (8 ohms)
  • Frequency Response:
    • Phono MM: 20 Hz - 20 kHz (RIAA, ±0.2dB).
    • Phono MC: 20 Hz - 20 kHz (RIAA, ±0.3dB)
    • High Level: 1 Hz - 150 kHz (+0 / -3dB)

Signal-to-noise ratio:

    • Phono MM: 87 dB

Phono MC: 67 dB

    • High Level: 108 dB
  • Tone control:
    • Bass 100 Hz: ± 8 dB

Tweeter 10 kHz: ± 8 dB

  • Loudness: (Volume - 30 dB) 100Hz: + 5 dB, 10 kHz: + 3 dB
  • High Filter: -
  • Low Filter (Subsonic): -
  • Mute: -
  • Direct/Line-Straight:


Special Features

  • Gain selector, switchable between 26 dB and 40 dB
  • Volume and source selector switch motorized
  • Use of banana plugs with the standard speaker connectors not possible
  • No tone controls available


Comments






Pictures

  • Picture: Pioneer A-04 Front

az2q3c7x.jpg


  • Picture: Pioneer A-04 inside

cfzmk73s.jpg


  • Picture: Pioneer A-04 Encapsulated 4-position potentiometer

mt4adibs.jpg


Reports

  • The A04 has the curved design like the A 702 R A 602 etc.
  • It is without remote control and was not sold in Europe. Encapsulated 4-position potentiometer


Links

  • External link to website "Audio Database": [1]