U857QL-O Cardioid Condenser Quick-Mount Gooseneck Microphone

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Category: Pro-Audio-Installation-Sound-Gooseneck

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The 18.94″ version of the U857Q, the U857QL cardioid condenser quick-mount gooseneck microphone is designed to plug directly into a panel- or desk-mounted XLRF-type connector. The microphone offers unsurpassed immunity from radio frequency interference thanks to UniGuard® innovations. Equipped with self-contained electronics, the phantom-powered microphone also offers an 80 Hz low-cut UniSteep® filter that reduces pickup of low-frequency ambient noise. 


It features an ultra-flexible small-diameter gooseneck and accepts interchangeable elements – available in cardioid, hypercardioid, omnidirectional and UniLine® line cardioid polar patterns.


Fixed-charge back plate, permanently polarized condenser


Polar Pattern



Frequency Response

30-20,000 Hz


Low Frequency Roll Off

80 Hz, 18 dB/octave


Open Circuit Sensitivity

39 dB (11.2 mV) re 1V at 1 Pa



250 ohms


Maximum Input Sound Level

139 dB SPL, 1 kHz at 1% T.H.D.


Dynamic Range

115 dB, 1 kHz at Max SPL


Signal to Noise Ratio

70 dB, 1 kHz at 1 Pa


Phantom Power Requirements

11-52V DC, 2 mA typical



Flat, roll-off



150 g (5.3 oz)



18.94″ (481.0 mm) long, 0.48″ (12.2 mm) head diameter, 0.74″ (18.9 mm) base diameter


Output Connector

Integral 3-pin XLRM-type



 AT8153 two-stage foam windscreen


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