Pioneer A-331

Data[edit]

General

  • Manufacturer: Pioneer
  • Model: A-331
  • Year built: 1987
  • Made in: Japan
  • Type: Integrated amplifier
  • Remote control: No
  • Power consumption: 410 W (max)
  • Dimensions: 420 x 352 x 126 mm
  • Weight: 6.9 kg
  • Color: black
  • Original price approx.: 400 DM


Connections

  • Number of inputs:
    • 1x Phono (Cinch): 2.5 mV / 50 kOhm (MM).

CD, Tuner, Line, 1x Tape In (Cinch): 150 mV / 40 kOhm

  • Number of outputs:
    • 1x Tape Out (Cinch): 150 mV / 2.2 kOhm.
    • Headphones (6,3mm jack)
    • 2 pairs of loudspeakers (rotary terminals)


Technical Data

  • Continuous power (at distortion factor)
    • 8 Ohm: 2x 40 W

4 Ohm: 2x 50 W

  • Dynamic power
    • 8 Ohm: 55 W
    • 4 Ohm: 90 W
  • Total harmonic distortion
    • 0.02% (20Hz - 20 kHz, 40W, 8 Ohm)
    • 0.03% (20Hz - 20 kHz, 50W, 4 Ohm)
  • Frequency response:
    • PHONO (MM) 20 HZ to 20kHz ± 0.3 dB.

CD, TUNER, LINE, TAPE 5 HZ to 100kHz +0 dB / -3dB

  • Stereo channel separation:
  • Signal to Noise Ratio
    • Phono (MM, 5mV input): 89 db

CD, Tuner, Line, Tape: 108 db

  • Attenuation factor:
  • Tone control: analog (-30 dB)

Bass: ±8 dB (100 Hz) Treble: ±8 dB (10 kHz)

  • Loudness: yes, key ( + 5 dB - 100 Hz / +3 dB - 10 kHz)


Special Features

  • Recording selector switch
  • Speaker pairs and headphones are switched via relays
  • Metal front panel
  • Phono - input MM
  • Adapter sockets - for looping in an equalizer (bridged by default)

Remarks[edit]

Predecessor model:

Successor model:

Other models in the same series:

Pictures[edit]

A331.JPG

Links[edit]