TERMIUM Plus®

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MOTIONAL FEEDBACK ENCLOSURE [1 record]

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Record 1 1981-01-07

English

Subject field(s)
  • Audio Technology
CONT

In all MFB Speaker/Amps, we [Philips] mount a tiny sensing device (called a piezoelectric transducer) at the apex of the woofer unit. The transducer converts the sound output into an electrical signal and feeds it back to a comparator in the amplifier. This checks it against the input signal and compensates for any differences.

Key term(s)
  • motional feedback speaker
  • motional feedback enclosure

French

Domaine(s)
  • Électroacoustique
DEF

(...) se dit d'une enceinte acoustique close équipée d'un haut-parleur de grave spécial ayant un capteur sensible aux mouvements de sa membrane. Le capteur renvoie à l'entrée de l'amplificateur de puissance, les signaux produits afin qu'ils soient comparés et corrigés électroniquement.

Spanish

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TERMIUM Plus®, the Government of Canada's terminology and linguistic data bank
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