Pioneer A-91 D

Data

General

• Manufacturer: Pioneer
• Model: A-91 D
• Model range: Urushi series
• Type: Integrated amplifier
• Years of manufacture: 1987 - 1991
• Made in: Japan
• Color: Black, wooden sides
• Remote control:
• Power consumption: 1,000 W
• Dimensions: 457 x 173 x 457 mm (WxHxD)
• Weight: 29.2 kg
• Original price approx.: 2'500 DM

Connections

• Number of inputs:
  • 1x Phono (Cinch): 2.5 mV / 50 kOhm (MM), 0.2 mV / 100 Ohm (MC).
  • CD, Tuner, Line1, Line2, 2x Tape In (Cinch): 150 mV / 50 kOhm

DAT1, ADTP/DAT2, Digital 1, 2, 3

• • • Digital inputs: Coaxial and optical
• Number of outputs:
  • 3x Tape Out (Cinch): 150 mV / 2.2 kOhm
    • Digital outputs: Coaxial and optical
  • Headphones (6.3mm jack)
  • 2 pairs of loudspeakers

Technical Data

• Continuous power (at distortion factor)
  • 8 Ohm: 120 W (0.003%)
  • 6 Ohm: 140 W (0.003%)
  • 4 Ohm: 150 W (0.008%)
• Dynamic power
  • 8 Ohm: 150 W
  • 4 Ohm: 170 W
• Total harmonic distortion: 0.003 %
• Attenuation factor: 200 / 70 (8 Ohm, 1 kHz / 20 Hz - 20 kHz)
• Frequency response: 5 - 80,000 Hz (0.05%, 8 Ohm)
• Signal-to-noise ratio:
• Stereo channel separation:
• Tone control:
  • Bass: yes, ±8db (100 Hz).

Treble: yes, ±8db (10 kHz)

• Loudness: yes, + 5 dB (100 Hz) / + 3 dB (10 kHz)
• High Filter: yes
• Low Filter (Subsonic): yes, 17 Hz (12 dB / octave)
• Mute: yes
• Direct/Line-Straight: yes

Special Features

• D/A Converter Part
• Device of the Urushi series

Remarks

• Other models of the Urushi series:
• Integrated amplifier
• Pioneer A-91 D

• Preamplifier
• Pioneer C-73
• Pioneer C-90
• Pioneer C-90a

• [[Power Amplifier
• Pioneer M-73
• Pioneer M-90
• Pioneer M-90a

• [[Tuner
• Pioneer F-91
• Pioneer F-93

• CD player
• Pioneer PD-73
• Pioneer PD-75
• Pioneer PD-91
• Pioneer PD-93

• [[Cassette Tape Deck
• Pioneer CT-91
• Pioneer CT-91 a
• Pioneer CT-93

Pictures

• Extract from brochure: Pioneer A-91 D, F-91

• Extract from brochure: Pioneer A-91 D, F-91

Reports

• Review at "Good Old Hifi": [1]

• Test in Audio 5/1988: against Kenwood KA-3300 D