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Audio-Technica U857AL Cardioid Condenser Adaptor-Mount Gooseneck Microphone

Product Code AUU857AL
Manufacturer Audio-Technica

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Description

Engineered for versatile positioning and extremely flexible performance in boardroom, school, government, house-of-worship and other installed applications, the U857AL features a small-diameter gooseneck with virtually no "memory." Its ultra-flexible, robust design permits easy adjustment into desired shape while resisting inadvertent repositioning. This cardioid condenser gooseneck microphone direct mounts to any 5/8"-27 stand; it is 16.58" long. Equipped with UniGuard® innovations that offer unsurpassed immunity from radio frequency interference, the U857AL accepts interchangeable elements, available in cardioid, hypercardioid, omnidirectional and UniLineTM line cardioid polar patterns. The battery- or 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

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

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 blasts

Direct mounts to any 5/8"-27 stand, or to included threaded mounting flange

Operates on battery or phantom power

 

Specifications

ELEMENT Fixed-charge back plate, permanently polarized condenser
POLAR PATTERN Cardioid
FREQUENCY RESPONSE 30-20,000 Hz
LOW FREQUENCY ROLL-OFF 80 Hz, 18 dB/octave
OPEN CIRCUIT SENSITIVITY Phantom: -42 dB (7.9 mV) re 1V at 1 Pa
Battery: -43 dB (7.0 mV) re 1V at 1 Pa
IMPEDANCE Phantom: 200 ohms
Battery: 270 ohms
MAXIMUM INPUT SOUND LEVEL Phantom: 133 dB SPL, 1 kHz at 1% T.H.D.
Battery: 123 dB SPL, 1 kHz at 1% T.H.D.
DYNAMIC RANGE (typical) Phantom: 109 dB, 1 kHz at Max SPL
Battery: 99 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
BATTERY TYPE 1.5V AA/UM3
BATTERY CURRENT / LIFE 0.4 mA / 1200 hours typical (alkaline)
SWITCH Off, on-flat, on-roll-off
WEIGHT (MICROPHONE) 4.6 oz (131 g)
WEIGHT (POWER MODULE) 4.9 oz (139 g)
DIMENSIONS (MICROPHONE) 16.58" (421.0 mm) long,
0.48" (12.2 mm) head diameter
DIMENSIONS (POWER MODULE) 3.31" (84.0 mm) H x
2.48" (63.0 mm) W x
0.87" (22.0 mm) D
OUTPUT CONNECTOR (POWER MODULE) Integral 3-pin XLRM-type
CABLE 9.8' (3.0 m) long (permanently attached to microphone), 0.13" (3.2 mm) diameter, 2-conductor shielded cable with TA3F-type connector
OPTIONAL INTERCHANGEABLE ELEMENTS UE-H hypercardioid (100°);
UE-O omnidirectional (360°);
UE-UL UniLine® (90°)
ACCESSORIES FURNISHED AT8531 power module; AT8153 two-stage foam windscreen; AT8663 A-mount flange; AT8664 A-mount cable pass-through adapter; battery
AUDIO-TECHNICA CASE STYLE M2

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