Pioneer D-23

Data

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

• Other models in the same series:
  • Pioneer C-21
  • Pioneer M-22
  • Pioneer D-23
  • Pioneer U-24
  • Pioneer M-25
  • Pioneer F-26
  • Pioneer A-27
  • Pioneer F-28
  • Pioneer PL-C 590

Pictures

• Image: Pioneer D-23 front

• Picture: Pioneer D-23 back

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

Reports

• Report on "Good Old Hifi": [1]

• Report on "Mackers": [2]

Links

• External link user manual: [3]

• External Link: "The Vintage Knob" website: [4]

• External link: "Audio Database, Japan" website: [5]