Electroacoustics - Sound calibrators (IEC 29/313/CDV:1995)
€69.91
Hearing aids - Part 2: Hearing aids with automatic gain control circuits (IEC 60118-2:1983 + IEC 118-2/A1:1993); German version EN 60118-2:1995
€56.17
Electroacoustics - Octave-band and fractional-octave-band filters (IEC 61260:1995); German version EN 61260:1995
€77.20
Amendment 1 to IEC 61161: Ultrasonic power measurement in liquids in the frequency range 0,5 MHz to 25 MHz (IEC 87/92/CDV:1996)
€41.78
Hearing aids - Part 1: Hearing aids with induction pick-up coil input; Amendment A1 (IEC 29/340/CDV:1996)
€34.30
Hearing aids - Part 4: Magnetic field strength in audio-frequency induction loops for hearing aid puroses; Amendment A1 (IEC 29/341/CDV:1996)
Digital audio interface - Amendment 2 (IEC 60958:1989/A2:1995); German version EN 60958:1990/A2:1995
Sound level meters - Additional requirements for special measuring tasks
Electroacoustics - Sound level meters (IEC 29/362/CDV:1997)
€122.34
Mechanical coupler for measurements on bone vibrators (IEC 60373:1990); german version HD 590 S1:1991.
Hearing aids: part 6: characteristics of electrical input circuits for hearing aids (IEC 60118-6:1984); german version HD 450.6 S1:1986
Determination of noise immissions from sound sources placed near the ears - Noise immissions especially by open headphones and insert earphones
Determination of noise immissions from sound sources placed near the ears; noise immissions especially by half-open and closed headphones except insert earphones
€48.79
Hearing aids; plugs; dimensions; identical with IEC 60090:1973 (status as of 1991)
Dimensions of electrical connector systems for hearing aids; Identical with IEC 29(Sec)255:1993
