Pioneer M-25 specifications

Category : Power amplifiers

Brand : Pioneer

General

Connections

Tech nical data

Special equipment

• Manufacturer: Pioneer
• Model: M-25
• Model series: Series 20
• Type: Class FROM power amplifier
• Years of construction: 1976 - 1981
• Manufactured in: Japan
• Color: Metal Silver / Black
• Power consumption: 800 W
• Dimensions: 420 x 153 x 370 mm (WxHxD)
• Weight: 22.5 kg
• Factory price approx.: 200.000 Yen (Japan 1980), 3.000,- DM

• Number of inputs:
  • Input sensitivity: 1V/50kOhm
• Number of outputs:
  • 1 speaker pair

• Input sensitivity: 1V/50kOhm

• 1 speaker pair

• Continuous power Class AB (Class A operation up to 3W)
  • 8 Ohm : 2 x 120W (5Hz - 30kHz, THD 0.01%)
  • 4 Ohm : 2 x 120W (5Hz - 20kHz, THD 0.02%)
• Dynamic power
  • 8 Ohm :
  • 4 Ohm :
• Total harmonic distortion: 0.01%
  • THD&# 160;: < 0.01% (10Hz...30kHz, 8 ohm, rated power)
    • < 0.01% (10Hz...30kHz, 8 Ohm , 60W)
    • < 0.007% (10Hz...30kHz, 8 Ohm , 1W)
• Attenuation factor: 100 / 8 ohm
• Frequency response: 5Hz - 200kHz, +0 -1dB (at 1W)
• Power bandwidth: 5Hz - 100kHz (THD 0.05%)
• Signal to noise ratio: 120 dB
• Channel separation:
  • 1kHz: 105 dB
  • 100kHz: 70 dB

• 8 ohms: 2 x 120W (5Hz - 30kHz, THD 0.01%)
• 4 Ohm s: 2 x 120W (5Hz - 20kHz, THD 0.02%)

• 8 Ohm :
• 4 Ohm :

• THD : < 0.01% (10Hz...30kHz, 8 ohm, rated power)
  • < 0.01% (10Hz...30kHz, 8 Ohm , 60W)
  • < 0.007% (10Hz...30kHz, 8 Ohm , 1W)

• < 0.01% (10Hz...30kHz, 8 Ohm , 60W)
• < 0.007% (10Hz...30kHz, 8 Ohm , 1W)

• 1kHz: 105 dB
• 100kHz: 70 dB

• Pioneer M-25 Class A power amplifier in "open design"

• Other models of the same series:
  • Pioneer C-21
  < li>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

• 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

• Picture: Pioneer M-25

• Excerpt from Japan advertisement: Pioneer M-25

• Report at StereoMono: [1]

• External link: Website "Audio Database, Japan": [2]

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