DPA 4011 - Preamplifier Specifications

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P R EA M P L I F I E R :
Frequency range:
4012 and 4016: 20Hz to 50kHz ±0.2dB, 5Hz to 150kHz -3dB
4011 and 4015: 20Hz to 40kHz -3dB (loaded with 2x10 kOhm//
10nF - equivalent to 100m cable)
Output impedance:
<220 Ohm
Cable drive capability:
4011and 4015: Up to 100m
4012 and 4016: With HMA4000: Up to 300m
4012 and 4016: With PCC4000: Up to100m
Polarity:
4012 and 4016: Positively increasing sound pressure produces
positive-going voltage at pin 4. Pin 1: Ground, Pin 2: Not used,
Pin 3: 130 V DC preamplifier supply, Pin 4: Signal. (See Fig. 7)
4011 and 4015: Positively increasing sound pressure produces
positive-going voltage at pin 2. Pin 1: Ground, Pin 2: Signal +,
Pin 3: Signal return. (See Fig. 5)
Difference frequency distortion:
(DF2, DF3, Df = 70Hz) <0.5% at 110dB SPL peak
Influence of vibration:
<71dB equivalent SPL for 1m/s
2
in direction of greatest
sensitivity
Influence of magnetic field:
45dB equivalent SPL for 80A/m, 50Hz in direction of greatest
sensitivity
Operating temperature range:
-10 to +55°C (+14 to 131°F)
Dimensions:
Microphone length: 175mm
Microphone diameter: 19mm
Capsule diameter: 19mm
Weight:
165g