DPA 2011A Twin Diaphragm Cardioid Mic.
Specifications
Directional pattern
Cardioid
Principle of operation
Pressure gradient, with interference tube
Cartridge type
Pre-polarized condenser, Twin Diaphragm Capsule
Frequency range
20 Hz – 20 kHz
Frequency range, ±2 dB, at 30 cm (11.8 in)
50 Hz – 17 kHz with 3 dB soft boost at 12 kHz
Sensitivity, nominal, ±2 dB at 1 kHz
10 mV/Pa; -40 dB re. 1 V/Pa
Equivalent noise level, A-weighted
Typ. 20 dB(A) re. 20 µPa (max. 23 dB(A))
Equivalent noise level, ITU-R BS.468-4
Typ. 33 dB (max. 36 dB)
S/N ratio (A-weighted), re. 1 kHz at 1 Pa (94 dB SPL)
Typ. 74 dB(A)
Total harmonic distortion (THD)
< 1% up to 137 dB SPL peak
Dynamic range
Typ. 117 dB
Max. SPL, peak before clipping
153 dB
Switchable attenuator, filters etc.
0 dB / -20 dB
Output impedance
200 Ω
Minimum load impedance
2 kΩ
Cable drive capability
100 m (328 ft)
Output balance principle
Impedance balancing with Active Drive
Common mode rejection ratio (CMRR)
> 60 dB
Power supply (for full performance)
48 V Phantom power (± 4 V)
Current consumption
2.8 mA
Connector
XLR-3M. Pin 1: shield, Pin 2: signal + phase, Pin 3: – phase
Color
Matte black
Weight
164 g (5.8 oz)
Microphone diameter
19 mm (0.75 in)
Microphone length
198 mm (7.8 in)
Maximum output voltage, RMS
> 5 V
Polarity
+V at pin 2 for positive sound pressure
Temperature range
-40°C to 45°C (-40°F to 113°F)
Relative humidity (RH)
Up to 90%