Electroacoustics - Equipment for the measurement of real-ear acoustical characteristics of hearing aids.
€68.00
Measurement microphones - Part 5: Methods for pressure calibration of working standard microphones by comparison
€69.00
Electroacoustics - Octave-band and fractional-octave-band filters.
€61.00
Electroacoustics - Audiological equipment - Part 1: Pure-tone audiometers
€84.00
Integrating-averaging sound level meters.
€79.00
ELECTROACUSTICS - SOUND CALIBRATORS.
€80.00
Hearing aids. Part 4: Magnetic field strength in audio-frequency induction loops for hearing aid purposes.
€30.00
Hearing aids - Part 6: Characteristics of electrical input circuits for hearing aids
€41.00
Hearing aids -- Part 4: Magnetic field strength in audio-frequency induction loops for hearing aid purposes.
€36.00
ELECTROACOUSTICS. SIMULATORS OF HUMAN HEAD AND EAR. PART 1: EAR SIMULATOR FOR THE CALIBRATION OF SUPRA-AURAL EARPHONES.
€59.00
ELECTROACOUSTICS. SIMULATORS OF HUMAN HEAD AND EAR. PART 2: AN INTERIM ACOUSTIC COUPLER FOR THE CALIBRATION OF AUDIOMETRIC EARPHONES IN THE EXTENDED HIGH-FREQUENCY RANGE.
Electroacoustics - Simulators of human head and ear - Part 3: Acoustic coupler for the calibration of supra-aural earphones used in audiometry
€56.00
HEARING AIDS. PART 13: ELECTROMAGNETIC COMPATIBILITY (EMC).
€64.00
Hearing aids - Part 2: Hearing aids with automatic gain control circuits
Hearing aids - Part 1: Hearing aids with induction pick-up coil input
€32.00