Philips "fish eye" amplifier. Appr 1976. And the famous Motional Feedback ( mfb)-speakers, great product from Philips sound engineers in the seventies. No… | Anni 50
Philips 544 Servo Bi-Amp Motional Feedback Speakers- Used to mix Pink Floyd The Wall For Sale - US Audio Mart
Philips RH532 Loudspeaker System Manual | HiFi Engine