Audio Technica U857AL Cardioid Condenser Gooseneck Lectern

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Audio Technica U857AL Cardioid Condenser Gooseneck Lectern
Item# 235872

Audio TechnicaU857AL Cardioid Condenser Gooseneck Lectern

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Why Woodwind & Brasswind ?

Engineered for versatile positioning and extremely flexible performance in installed applications, the U857AL features a small-diameter gooseneck. It operates on battery or phantom power and is 16.58 inches long. Equipped with UniGuard RFI-shielding innovations, UniSteep® filter. Attaches to 5/8"-27 thread flange mount included.

Audio Technica U857AL cardioid condenser gooseneck lectern

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(TM) innovations that offer unsurpassed immunity from radio frequency interference, the U857AL accepts interchangeable elements, available in cardioid, hypercardioid, omnidirectional and UniLine(TM) 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.

Standard Features


ACCESSORIES FURNISHED	AT8531 power module; AT8153 two-stage foam windscreen; AT8663 A-mount flange; AT8664 A-mount cable pass-through adapter; battery
BATTERY CURRENT / LIFE	0.4 mA / 1200 hours typical (alkaline)
BATTERY TYPE	1.5V AA/UM3
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
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
DYNAMIC RANGE (typical)	Phantom: 109 dB, 1 kHz at Max SPL; Battery: 99 dB, 1 kHz at Max SPL
ELEMENT	Fixed-charge back plate, permanently polarized condenser
FREQUENCY RESPONSE	30-20,000 Hz
IMPEDANCE	Phantom: 200 ohms; Battery: 270 ohms
LOW FREQUENCY ROLL-OFF	80 Hz, 18 dB/octave
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.
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
OPTIONAL INTERCHANGEABLE ELEMENTS	UE-H hypercardioid (100°); UE-O omnidirectional (360°); UE-UL UniLine™ (90°)
OUTPUT CONNECTOR (POWER MODULE)	Integral 3-pin XLRM-type
PHANTOM POWER REQUIREMENTS	11-52V DC, 2 mA typical
POLAR PATTERN	Cardioid
SIGNAL-TO-NOISE RATIO	70 dB, 1 kHz at 1 Pa
SWITCH	Off, on-flat, on-roll-off
WEIGHT (MICROPHONE)	4.6 oz (131 g)
WEIGHT (POWER MODULE)	4.9 oz (139 g)