Description

Nor1225 1/2″ microphone IEC61672 Class 1

Nor1225 Datasheet

Nor1225 Microphone

Nor1225 is a ½” free-field high sensitivity microphone. A general purpose microphone covering the frequency range from 3.15Hz to 20 kHz. Correspond to the Class 1 of the sou

Cartridge size                                      1/2″
Main standard                                    IEC61672, Class 1
Polarization Voltage                         200 Volt
IEC61094-4 type Designation        WS2F Free field microphone
Nominal sensitivity @ 250 Hz       50 mV/Pa
Frequency response +/- 1 dB          12.5 – 10 kHz
Frequency response +/- 3 dB         3.15 – 20 kHz
Maximum SPL 3%                            146 dB
Self Noise (thermal noise)              15 dB(A)
Response                                            Free field
Capacitance                                        18 pF
Effective front volume                     50 mm3
Temperature coeffecient @ 250 Hz
– 10 to + 50 Celsius                             < – 0.005 dB/Celsius
– 40 to + 150 Celcius                           < – 0.001
Maximum temperature                     300 Celsius
Static pressure coeff. @ 250 Hz      – 0.0008 dB/kPa
Relative humidity                               Not measureable
Vibration sensitivity                          62 dB
Magnetic field effect                          3.5 dB
Diameter with protection grid        13.2 mm
Length with protection grid            16.2 mm
Weight with protection grid            6 gram