Pioneer Exclusive M 4a

Data

General

• Manufacturer: Pioneer
• Model: Exclusive M 4a
• Model range: Exclusive Series
• Type: Stereo Class-A power amplifier
• Years of manufacture: 1981
• Made in: Japan
• Colour: front champagne, cabinet rosewood
• Power consumption: 320 W max.
• Dimensions: 468 x 206 x 385 mm
• Weight: 27.3 kg
• Original price approx.: 430'000 Yen (Japan 1981), corresponds to about 6'500 DM

Connections

• Number of inputs:
  • Sensitivity/Impedance:
    • Line In 1: 1 V / 50 kOhm
    • Line In 2: 2 V / 50 kOhm
• Number of outputs: 1
  • 1 loudspeaker pair

Technical Data

• Continuous power (at THD)
  • 8 Ohm: 2x 50 W (20Hz. .. 20 kHz, 8 Ohm, 0.1% THD)
  • 4 Ohm:
  • 2 Ohm:
• Dynamic power
  • 8 Ohm:
  • 4 Ohm:
  • 2 Ohm:
• Total harmonic distortion: < 0,01 %
• Dämpfungsfaktor: 30 (20Hz - 20kHz, 8 Ohm)
• Frequenzgang: 5 Hz - 100 kHz
• Signalrauschabstand: >110 dB
• Subsonic filter: 8 Hz, - 6 dB / octave

Special Features

• 2 large VU meters

Remarks

• Other models of the same series:
  • Pioneer Preamplifier Exclusive C 3 / C 3a (1975 - ~1983).
    • Pioneer Exclusive C 3
  • Pioneer Preamplifier Exclusive C 5 (1983 - 1991).
    • Pioneer Exclusive C 5
  • Pioneer Exclusive C 10 preamplifier (1980)
    • Pioneer Exclusive C 10
  • Pioneer power amplifier Exclusive M 3 (1975 - 1981)
    • Pioneer Exclusive M 3
  • Pioneer Exclusive M 4 power amplifier (1974 - 1980)
    • Pioneer Exclusive M 4
  • Pioneer Exclusive M 4a power amplifier (1981)
    • Pioneer Exclusive M 4a
  • Pioneer power amplifier Exclusive M 5 (1982 - 1988)
    • Pioneer Exclusive M 5
  • Pioneer Exclusive M 5a power amplifier (1988 - 1992)
    • Pioneer Exclusive M 5a
  • Pioneer power amplifier Exclusive M 6 (1988 - 1992)
    • Pioneer Exclusive M 6
  • Pioneer Exclusive M 10 power amplifier (1980)
    • Pioneer Exclusive M 10

Pictures

• Extract from brochure: Pioneer Exclusive M 4a

• Excerpt from Japan advertisement: Pioneer Exclusive C 3a, M 4a, F 3, P 3, Exclusive 3401.

Reports

• Description of the Pioneer Exclusive series on website "Pioneer Vintage": [1]

• Description of Pioneer Exclusive series on website "The Vintage Knob": [2]

Links

• External link on website "The Vintage Knob": [3]

• External link on website "Audio Database": [4]</0,01>