Motional Feedback Box (MFB) 567 Electronic 22AH567 /00R

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.

 Technical Specifications

  • Number of Transistors
  • 30
  • 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.

 Collections | Museums | Literature

Collections

The model Motional Feedback Box (MFB) 567 Electronic is part of the collections of the following members.

 Forum

Forum contributions about this model: Philips; Eindhoven: Motional Feedback Box 567 Electronic 22AH567 /00R

Threads: 1 | Posts: 4

Der Schaltplan zu dieser Box befindet sich bei Modell ID = 232161

Hi-Fi MFB Box 567 Electronic 22AH567 /00R /80R /89R

Heinz LUCAS, 31.Mar.17

Weitere Posts (4) zu diesem Thema.