Measurement microphones - Part 4: Specifications for working standard microphones (IEC 61094-4:1995); German version EN 61094-4:1995
€63.27
Sound system equipment - Methods of measuring and specifying the performance of sounders (electroacoustic transducers for tone production) (IEC 61329:1995); German version EN 61329:1996
€69.91
Hearing aids - Part 2: Hearing aids with automatic gain control circuits (IEC 60118-2:1983 + A1:1993 + A2:1997); German version EN 60118-2:1995 + A2:1997.
Microphones and earphones for speech communications (IEC 61842:2002); German version EN 61842:2002
€122.34
Measurement microphones - Part 5: Methods for pressure calibration of working standard microphones by comparison (IEC 61094-5:2001); German version EN 61094-5:2001
€77.20
Ultrasonics. Focusing transducers. Definitions and measurement methods for the transmitted fields
€390.00
Measurement microphones Values for the difference between free-field and pressure sensitivity levels of laboratory standard
€172.00
Microphones and earphones for speech communications
€329.00
Electroacoustics. Audiometric equipment Instruments for the measurement of aural acoustic impedance/admittance
€281.00
Measurement microphones Electrostatic actuators for determination of frequency response
Electroacoustics. Hearing aids Measurement of the performance characteristics hearing for production, supply and delivery quality assurance purposes
Underwater acoustics. Hydrophones. Calibration in the frequency range 0,01 Hz to 1 MHz
€421.00
Electroacoustics. Simulators of human head and ear 2 cm3 coupler for the measurement hearing aids earphones coupled to by means inserts
€201.00
Electroacoustics. Audiometric equipment Test signals of short duration
Electroacoustics. Simulators of human head and ear Mechanical coupler for the measurement bone vibrators
