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This standard specifies the electrical marking and safety characteristics of a circuit for an external electrical input to a personal hearing aid in order to ensure compatibility with external electrical or electroacoustic signal sources - This standard does not cover the interconnection of the parts of a Cros (contralateral routing of signals) or Bi-Cros hearing aid when designed as a complete system - Throughout this standard all sound pressure levels (abbreviated SPL) are referred to 20 Pa
Reģistrācijas numurs (WIID)
45219
Darbības sfēra
This standard specifies the electrical marking and safety characteristics of a circuit for an external electrical input to a personal hearing aid in order to ensure compatibility with external electrical or electroacoustic signal sources - This standard does not cover the interconnection of the parts of a Cros (contralateral routing of signals) or Bi-Cros hearing aid when designed as a complete system - Throughout this standard all sound pressure levels (abbreviated SPL) are referred to 20 Pa
