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Superlux PRA 528 Condenser Microphones for Conferences
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PRA-528B/C series are specially designed back electret condenser microphones for conferences, which are installed at fixed places. They have the features needed for conferences such as: tailored frequency response, excellent cardioid polar pattern,and high gain before feedback. Each member in PRA-528B/C series has a section of adjustable gooseneck, which makes it convenient to change the direction of the microphone. There are two lengths and various installing modes available for the gooseneck to accommodate the demands of different occasions.

Specifications :

Type: Back Electret Condenser Microphone
Polar Pattern: Cardioid
Frequency Response: 50~16000 Hz
Sensitivity: -39dBV/pa (11mv/pa)
Rated Impedance: 200Ω
Equivalent noise Level: 26dB (A Weighted IEC/DIN 651)
Max. SPL: 132dB (THD 1% 1000Hz)
Dynamic range: 106dB
Power Supply: Phantom 9~52V (IEC 268-15/DIN 45596)
Current Consumption: 3mA
Polari: positive pressure on diaphragm produces
positive voltage on pin 2 with respect to pin 3
Dimensions: PRA-528BM/Φ20x470mm|PRA-528BL/Φ20x620mm|
PRA-528CM/F 24x410mm| PRA-528CL/F 24x560mm
Weight: PRA-528BM/150g| 528BL/160g| 528CM/200g| 528CL/220g