NTi Audio XL2 Sound Level Meter - Manual (Page 220)

220
Specifications
20. Technical Data PreAmplifier
MA220 PreAmplifier
Microphone PreAmplifier Compatible with 1/2” microphone capsules type WS2F in accordance with IEC61094-4
Frequency Range 4 Hz - 100 kHz
Residual Noise Floor typical 1.6 mV(A) at C_in 18pF ≙ 12 dBA @ 20 mV/Pa
Frequency Response Flatness ±0.2 dB
Phase Linearity < 1° @ 20 Hz - 20 kHz
Maximum Output Voltage 21 Vpp ≙ 7.4 Vrms ≙ 145 dBSPL @ 20 mV/Pa, THD 3%, 1 kHz
Electronic Data Sheet Containing user calibration data •
Default factory sensitivity = 4.9 V/Pa •
Read/write by XL2 Audio and Acoustic Analyzer •
NTi Audio ASD in accordance with IEEE P1451.4 V1.0, Class 2, Template 27 •
Impedance Input: 20 GOhm // 0.26 pF, Output: 100 Ohm balanced
Power Supply 48 VDC phantom power, 3 mA typical
Attenuation < 0.17 dB (Rphantom 2x 6.8 kOhm)
Connector Balanced 3-pole XLR
Thread for Capsule 60 UNS2
Weight 90 g, 3.17 oz
Dimensions Length 142.5 mm (5.6”), diameter 20.5 mm (0.8”)
Temperature Range -10°C to +50°C (14°F to 122°F)
Humidity 5% to 90% RH, non-condensing
NTi Audio # 600 040 040
The product specifications may vary based on the mounted microphone capsule type.