Pair of PHILIPS Motional Feedback (MFB) Loudspeakers model 22RH541 https://www.pinterest.com/0bvuc9ca1gm03at/ | Vintage speakers, Diy audio projects, Loudspeaker
Philips Motional Feedback Speakers
Philips MFB speakers Photo #3239681 - Canuck Audio Mart
Matsushita's MFB speakers from the sixties | Spotted out the… | Flickr
Philips "fish eye" amplifier. Appr 1976. And the famous Motional Feedback ( mfb)-speakers, great product from Philips sound engineers in the sev… | Scultura, Anni 50
National MFB Speaker System SB-88H Speaker-P Panasonic,
Pair Original Philips 532 Motional Fdbk MFB speaker | #140401165
Why do passive speakers still exist? | Page 19 | Audio Science Review (ASR) Forum