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U857QLU

UniLine® Condenser Quick-Mount Gooseneck Microphone
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Details

With advanced capsule design coupled with carefully engineered internal electronics, the U857QLU UniLine® condenser delivers clear, consistent sound for a variety of installed applications. The 23.74" version of U857QU, the U857QLU features Audio-Technica’s UniLine® line-cardioid element. The microphone is designed to plug directly into a panel- or desk-mounted XLRF-type connector. Its ultra-flexible, robust gooseneck permits easy adjustment into desired shape while resisting inadvertent repositioning. Featuring UniGuard® innovations that offer unsurpassed immunity from radio frequency interference, the U857QLU accepts new interchangeable elements, available in cardioid, hypercardioid, omnidirectional and UniLine® line cardioid polar patterns. The phantom-powered microphone also offers an 80 Hz low-cut UniSteep® filter that reduces pickup of low-frequency ambient noise.

 

    • Designed for high-quality sound reinforcement, professional recording and broadcasting
    • UniLine® polar pattern provides narrow 90° acceptance angle
    • Superior off-axis rejection for maximum gain before feedback
    • UniGuard® RFI-shielding technology offers outstanding rejection of radio frequency interference (RFI)
    • Easy-to-adjust, rugged, small-diameter, alternating gooseneck with virtually no “memory” permits quick positioning into desired shape
    • UniSteep® filter provides a steep low-frequency attenuation to improve sound pickup without affecting voice quality
    • Self-contained electronics eliminate need for external power module
    • Accepts interchangeable elements to permit angle of acceptance from 90° to 360°
    • Two-stage foam windscreen yields dramatically improved resistance to P-pops and other breath blast 
    • Quick-mount design with 3-pin XLRM-type connector insert at base plugs into any standard XLRF-type surface or cable connecto 
    • Included shock mount attenuates noise, shock and vibration transmitted through the mounting surface

 

Specifications

ELEMENT Fixed-charge back plate, permanently polarized condenser
POLAR PATTERN Line Cardioid
FREQUENCY RESPONSE 30-20,000 Hz
LOW FREQUENCY ROLL-OFF 80 Hz, 18 dB/octave
OPEN CIRCUIT SENSITIVITY –35 dB (17.7 mV) re 1V at 1 Pa
IMPEDANCE 250 ohms
MAXIMUM INPUT SOUND LEVEL 135 dB SPL, 1 kHz at 1% T.H.D.
DYNAMIC RANGE (TYPICAL) 115 dB, 1 kHz at Max SPL
SIGNAL-TO-NOISE RATIO 74 dB, 1 kHz at 1 Pa
PHANTOM POWER REQUIREMENTS 11-52V DC, 2 mA typical
SWITCH Flat, roll-off
WEIGHT 23.74" (603.0 mm) long, 0.48" (12.2 mm) head diameter, 0.74" (18.9 mm) base diameter
DIMENSIONS 23.74" (603.0 mm) long, 0.48" (12.2 mm) head diameter, 0.74" (18.9 mm) base diameter
OUTPUT CONNECTOR Integral 3-pin XLRM-type
OPTIONAL INTERCHANGEABLE ELEMENTS UE-C cardioid (120°); UE-H hypercardioid (100°); UE-O omnidirectional (360°)
ACCESSORIES FURNISHED AT8154 two-stage foam windscreen; AT8662 shock mount
AUDIO-TECHNICA CASE STYLE M35

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