Externally polarized cartridges (200 V)

Externally polarized cartridges (200 V)

  1. RA0045 Ext Pol Ear Sim IEC 60318-4 (60711)
    Volume: 1260 mm³ @ 500 Hz
    Dyn range: 25 dB(A) to 164 dB
    IEC: 60318-4

    G.R.A.S. RA0045 Externally Polarized Ear Simulator according to IEC 60318-4 (60711)

    The G.R.A.S. IEC 711 RA0045 Ear Simulator is an ear simulator with an acoustic input impedance closely resembling that of an average human ear. The RA0045 includes a 40AG pressure microphone and each RA0045 is individually calibrated with this specific microphone.

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  2. RA0045-S4 IEC60711 Ear Simulator incl. 40AP

    Standards: IEC 60318-4, ITU-T P.57
    Eff vol: 1260 mm³ @ 500 Hz
    Res freq: 13.5 kHz ±1 kHz

    G.R.A.S. RA0045-S4 IEC60711 Ear Simulator incl. 40AP

    The G.R.A.S. RA0045-S4 Ear Simulator is an ear simulator with an acoustic input impedance closely resembling that of an average human ear. The RA0045 includes a 40AG pressure microphone and each RA0045 is individually calibrated with this specific microphone.

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  3. RA0045-S5 IEC 60711 Ear Simulator incl. 40BP

    Standards: IEC 60318-4, ITU-T P.57
    Eff vol: 1260 mm³ @ 500 Hz
    Res freq: 13.5 kHz ±1 kHz

    G.R.A.S. RA0045-S5 IEC 60711 Ear Simulator incl. 40BP

    The G.R.A.S. RA0045-S5 IEC 60711 Ear Simulator is an ear simulator with an acoustic input impedance closely resembling that of an average human ear. The RA0045 includes a 40AG pressure microphone and each RA0045 is individually calibrated with this specific microphone.

    Learn More

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