Measurement microphone NTi Audio
IEC 61672-2

The M4260 is the ideal measurement microphone for the XL2. Operated with 48V phantom power the M4260 is an extremly accurate and stable measurement microphone.

The servo-loop output stage design supports long cable connections between the analyzer and the microphone - up to several hundred meters. M4260 is also recommended and easy to use in conjunction with PC based measurement systems with high quality audio cards.

Technical Data M4260

Microphone Type 1/4”, omni-directional, free field transducer
Sensitivity (20 ±2) mV//Pa, (-34 ±1) dBV/Pa @ 1 kHz
balanced output
Freq. Response 100 Hz - 1250 Hz ±1 dB
20 Hz - 20 kHz ±3 dB
in accordance with IEC61672, class 2
Peak Input 130 dBSPL @ 1 kHz
Noise floor 30 dBSPL, A-weighted
Load Conditions 20 - 200 kOhm balanced,
Power Supply +48 V Phantom power required (supplied by XL2)
Dimensions ø 22 x 150 mm, ø 0.87” x 6”
Weight 100 g ( 3.5 oz )
Temperature 0° to +45° C (32° to 113° F)
Humidity 90 % R.H., non condensing

Conforms to the Normative Standards EMC-Directives: 89/336, 92/31, 93/68
Harmonized Standards: EN 61326-1.