• Country
• Netherlands

• Manufacturer / Brand
• Philips; Eindhoven (tubes international!); Miniwatt

• Year
• 1977

• Category
• Loudspeaker, headphone or earphone

• Radiomuseum.org ID
• 80137

Click on the schematic thumbnail to request the schematic as a free document.

• Number of Transistors
• 30

• Semiconductors
• BC558 BC548 BD137 BDX65 BDX64 BC549 BC559 BC547 BC546 BD267 or. BD266 BC550 BF245 BC639 BSS68 BAW62 BZY88 BZX79 CQY24 BY164

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Details
• Loudspeaker + integr.Amplifier

• Power type and voltage
• Alternating Current supply (AC) / 110-127; 220-240 Volt

• Loudspeaker
• 3 Loudspeakers

• Power out
• 60 W (undistorted)

• Material
• Wooden case

• from Radiomuseum.org
• Model: Motional Feedback Box 567 Electronic 22AH567 /00R - Philips; Eindhoven tubes

• Shape
• Console with any shape - in general

• Dimensions (WHD)
• 330 x 600 x 280 mm / 13 x 23.6 x 11 inch

• Notes

• This Motional Feedback (MFB) system speaker box is equipped with an amplifier and features a motion sensor on the bass speaker which signals feedback into the amplifier to reduce the distortion produced by that speaker.

  Speaker chassis:

  • AD10100/MFB4 - 254 mm woofer
  • AD0210/SQ8 - 50 mm mid range, dome type
  • AD0160/T8 - 25 mm tweeter, dome type

  Max. sound pressure level at 1 m distance: 107 dB

  See also 22AH567 /80R /89R which uses different mid-range and tweeter chassis and has minor schematic differences.

  Semiconductors listed once per type. The type BDC64A/01 listed in the overview is incorrect: the schematic shows the correct type BDX64A/01.

• Net weight (2.2 lb = 1 kg)
• 20 kg / 44 lb 0.8 oz (44.053 lb)

• Price in first year of sale
• 945.00 HFL

• Mentioned in
• -- Original prospect or advert

• Literature/Schematics (1)
• -- Original-techn. papers.

• Author
• Model page created by Peter Böhm. See "Data change" for further contributors.

• Other Models

• Here you find 5271 models, 4415 with images and 3456 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Philips; Eindhoven (tubes international!); Miniwatt