Externally polarized cartridges (200 V)

Besides ear simulators with externally polarized microphone cartridges (200 V), our solutions in the artificial ears and simulators range also include

GRAS RA0045 Externally Polarized Ear Simulator According to IEC 60318-4 (60711)

Volume: 1260 mm³ @ 500 Hz
Dyn range: 25 dB(A) to 164 dB
IEC: 60318-4

GRAS RA0045 Externally Polarized Ear Simulator According to IEC 60318-4 (60711)

The GRAS RA0045 is an ear simulator with an acoustic input impedance closely resembling that of an average human ear. It includes a 40AG pressure microphone and is individually calibrated with this specific microphone...

GRAS RA0045-S4 Externally Polarized Ear Simulator Based on IEC 60318-4 (60711), High Sensitivity

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

GRAS RA0045-S4 Externally Polarized Ear Simulator Based on IEC 60318-4 (60711), High Sensitivity

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

GRAS RA0045-S5 Externally Polarized Ear Simulator Based on IEC 60318-4 (60711), High Pressure

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

GRAS RA0045-S5 Externally Polarized Ear Simulator Based on IEC 60318-4 (60711), High Pressure

The GRAS RA0045-S5 Ear Simulator is an ear simulator with an acoustic input impedance closely resembling that of an average human ear. The RA0045 includes a 40BP pressure microphone and each RA0045-S5 is individually calibrated with this specific microphone...

GRAS RA0045-S9 Externally Polarized Ear Simulator Based on IEC 60318-4 (60711), High Pressure

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

GRAS RA0045-S9 Externally Polarized Ear Simulator Based on IEC 60318-4 (60711), High Pressure

The GRAS RA0045-S9 Ear Simulator is an ear simulator with an acoustic input impedance closely resembling that of an average human ear. The RA0045-S9 includes a 40BH pressure microphone and each RA0045-S9 is individually calibrated with this specific microphone...