BASLP 3rd Semester Notes  » Paper 4: Amplification Devices

Unit 5: Mechano-acoustic Couplers (Ear Molds)

  • Different types of molds
  • Procedure for hard molds and soft mold
  • UV curing methods
  • Special modifications in the ear molds: Vents (diagonal and parallel), deep canal molds, short canal, horns, Libby horn, reverse horn, acoustic modifier
  • Effects of mechano-acoustic couplers on the hearing aid output

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