Nor1229 1/2″ Class 2 microphone

Nor1229 1/2″ Class 2 microphone

Nor1229 1/2″ Class 2 microphone

Description

Nor1229 1/2″ microphone IEC61672 Class 2

 

Nor1229 Microphone

Nor1229 is a ½” free-field, high sensitivity, low cost self-polarized Class 2 microphone. Ideal for use in multi channels systems or other applications that requires a self polarized microphone at low cost with Class 2 accuracy. Unlike most other low cost Class 2 microphones it features a nickel membrane and a stainless steel housing, ensuring low sensitivity to environmental parameters such as temperature, static pressure and humidity


Cartridge size 1/2″
Main standard IEC61672, Class 2
Polarization Voltage 0 Volt
IEC61094-4 type Designation WS2F Free field microphone
Nominal sensitivity @ 250 Hz 40 mV/Pa
Frequency response +/- 1 dB —
Frequency response +/- 3 dB 20 – 10 kHz
Maximum SPL 3% 146 dB
Self Noise (thermal noise) 24 dB(A)
Response Free field
Capacitance 13 pF
Effective front volume 45 mm3
Temperature coeffecient @ 250 Hz
– 10 to + 50 Celsius < – 0.01 dB/Celsius
– 40 to + 150 Celcius <  —
Maximum temperature 80 Celsius
Static pressure coeff. @ 250 Hz – 0.004 dB/kPa
Relative humidity +/- 0.03 dB/%
Vibration sensitivity 65 dB
Magnetic field effect 5 dB
Diameter with protection grid 13.2 mm
Length with protection grid 16.6 mm
Weight with protection grid 7 gram