DPA ST4011A

- World-wide cardioid reference mic
- Handles very high sound pressure levels
- Carefully matched within ±1 dB
- PeliTM Case transportation and protection

Directional pattern: Cardioid
Principle of operation: Pressure gradient
Cartridge type: Pre-polarized condenser
Frequency range: 20 Hz - 20 kHz
Frequency range, ± 2 dB, at 30 cm: 40 Hz - 20 kHz
Sensitivity, nominal, ± 2 dB at 1 kHz: 10 mV/Pa; -40 dB re. 1 V/Pa
Equivalent noise level, A-weighted: Typ. 18 dB(A) re. 20 µPa (max. 20 dB(A))
Equivalent noise level, ITU-R BS.468-4: Typ. 25 dB (correct with the attenuator in 0 dB or -20 dB setting)
S/N ratio (A-weighted), re. 1 kHz at 1 Pa (94 dB SPL): Typ. 76 dB(A)
Total Harmonic Distortion (THD): < 1 % up to 139 dB SPL peak
Dynamic range: Typ. 121 dB
Max. SPL, peak before clipping: 159 dB
Switchable attenuator: 0 dB / -20 dB
Output impedance: < 200 ohm
Minimum load impedance: 2 kohm
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 specifications): 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: 158 g (5.6 oz)
Microphone diameter: 19 mm (0.75 in)
Capsule diameter: 19 mm (0.75 in)
Microphone length: 170 mm (6.7 in)
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%
Matching tolerance: ± 1 dB
Phase deviation for kit: < 10°

Included in this kit

Two carefully matched 4011A cardioid microphones, sturdy PeliTM case, holders, and windscreens.