Pioneer D-23

Data[edit]

General

  • Manufacturer: Pioneer
  • Model: D-23
  • Model range: Series 20
  • Type: Electronic crossover
  • Years of manufacture: 1976 - 1983
  • Made in: Japan
  • Color: Metal Silver
  • Power consumption: 14 W
  • Dimensions: 420 × 150 × 352 mm (WxHxD)
  • Weight: 8.7 kg
  • Original price approx.: 100'000 Yen (Japan 1976), 1'900 DM (1979)


Connections

  • Number of inputs: 1
    • Line: 100kOhm
  • Number of outputs: 4
    • Low: 190 Ohm
    • Mid-Low: 90 Ohm
    • Mid-High: 90 Ohm
    • High: 70 Ohm
  • Max. Output voltage: 10 V
  • Max. Output impedance: 4 kOhm


Technical Data

  • Frequency response: 10Hz - 100Khz (+0 / -1dB)

distortion factor: 0,005% (20Hz - 20Khz at 1V)

  • Signal to noise ratio: 100dB (1V output)
  • Stereo Channel Separation: 50.5dB (High Outputs)
  • Tone control settings:
    • LOW & MID-LOW Crossover frequencies: 63 / 80 / 100 / 125 / 160 / 200 / 250 / 320 / 400 / 500 / 630Hz
    • MID-LOW & MID-HIGH crossover frequencies: 320 / 400 / 500 / 630 / 800 / 1k / 1.25k / 1.6k / 2k / 2.5k / 3.2Khz
    • MID-HIGH & HIGH crossover frequencies: 1.6k / 2k / 2.5k / 3.2k / 4k / 5k / 6k / 8k / 10k / 12.5k / 16Khz
    • slope selectable: 6 or 12 or 18dB per octave


Special Features

  • In the "Flat" switch position, the low-mid and mid-high subranges can be bridged, so that a 3-way or 2-way crossover is then obtained.


Notes[edit]


Pictures[edit]

  • Image: Pioneer D-23 front

Pioneer D 23-2.jpg


  • Picture: Pioneer D-23 back

Pioneer D 23-4.jpg


  • Brochure excerpt: Pioneer Combi Series 20 with C-21, M-22, D-23, U-24.

Pioneer C21-M22-D23-U24 1979-80-2.jpg


Reports[edit]

  • Report on "Good Old Hifi": [1]
  • Report on "Mackers": [2]


Links[edit]

  • External link user manual: [3]
  • External Link: "The Vintage Knob" website: [4]
  • External link: "Audio Database, Japan" website: [5]