Pioneer A-447

Data

General

• Manufacturer: Pioneer
• Model: A-447, component of the complete systems Pioneer X-D 400 CD, Pioneer X-D 447 WMCD
• Type: Integrated amplifier
• Years of manufacture: 1990 - 1991
• Made in: Japan
• Type: Integrated amplifier
• Color: Black
• Remote control: No
• Power consumption: 550 W (max.)
• Dimensions: 420 x 352 x 126 mm (WxHxD)
• Weight: 8.1 kg
• Original price approx.: 500 DM

Connections

• Number of inputs:
  • 1x Phono (Cinch): 2.5 mV / 50 kOhm (MM), 0.2 mV / 100 Ohm (MC).
  • CD, Tuner, Line, 2x Tape In (Cinch): 150 mV / 40 kOhm
• Number of outputs:
  • 2x 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: 2 x 60 W / 0,009%

4 Ohm: 2 x 80 W

• Dynamic power
  • 8 Ohm: 75 W

4 Ohm: 110 W Total harmonic distortion: 0.009% (20Hz - 20 kHz, 60W, 8 Ohm) 0.02% (20Hz - 20 kHz, 80W, 4 Ohm)

• Frequency response:
  • PHONO (MM) 20 HZ to 20kHz ± 0.3 dB

PHONO (MC) 20 HZ to 20kHz ± 0.5 dB CD, TUNER, LINE, TAPE 5 HZ to 100kHz +0 dB / -3dB

• Stereo Channel Separation:
• Signal-to-noise ratio:
• Attenuation factor:
• Tone control: analog (-30 dB).
  • Bass: ±8 dB (100 Hz)
  • Treble: ±8 dB (10 kHz)
• Loudness: yes, button ( + 5 dB - 100 Hz / +3 dB - 10 kHz)
• Subsonic: yes (17 Hz - 12 dB/oct.)
• Mute: yes
• Direct/Line-Straight: yes

Special Features

• Record selector switch
• Speaker pairs and headphones are switched via relays
• Metal front panel
• Direct - switch to bypass the tone control stage
• Phono - input with choice of MM/MC subsonic filter
• Adapter sockets - for looping in an equalizer (bridged as standard)

Remarks

• Previous model:
• Pioneer A-445

• Successor model:
• Pioneer A-449

• Other models in the same series:
• Pioneer A-117
• Pioneer A-227
• Pioneer A-337
• Pioneer A-447
• Pioneer A-656 MK II
• Pioneer A-757 MK II
• Pioneer A-858

Pictures

• [[Picture: Pioneer A-447