Audio-Technica U857R Cardioid Condenser Adapter-Mount Gooseneck Microphone - 12 inches

Designed for flexible performance in boardroom, school, government, house of worship and other installed applications, the high-performance U857R 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 adapter-mount gooseneck microphone direct mounts to any 5/8"-27 stand; it is 12.01" long. Equipped with UniGuard® innovations that offer unsurpassed immunity from radio frequency interference, the U857R accepts interchangeable elements, available in cardioid, hypercardioid, omnidirectional and UniLine™ line cardioid polar patterns.

features:

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

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	–39 dB (11.2 mV) re 1V at 1 Pa
IMPEDANCE	250 ohms
MAXIMUM INPUT SOUND LEVEL	139 dB SPL, 1 kHz at 1% T.H.D.
DYNAMIC RANGE (typical)	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
SWITCH	Flat, roll-off
WEIGHT (MICROPHONE)	4.4 oz (124 g)
WEIGHT (POWER MODULE)	2.9 oz (81 g)
DIMENSIONS (MICROPHONE)	12.01"; (305.0 mm) long,;0.48"; (12.2 mm) head diameter
DIMENSIONS (POWER MODULE)	3.66"; (92.9 mm) long,;0.74"; (18.9 mm) diameter
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	AT8538 power module; AT8663 A-mount flange; AT8664 A-mount cable pass-through adapter; AT8153 two-stage foam windscreen
AUDIO-TECHNICA CASE STYLE	M2

The phantom-powered microphone also offers an 80 Hz low-cut UniSteep® filter that reduces pickup of low-frequency ambient noise.The U857R stands 12.01" (305.0 mm) from the table or podium; it is also available in a 16.58" (421.0 mm) version as U857RL. The two models are identical in all other respects.The U857R requires 11V to 52V phantom power for operation.Output from the power module’s XLRM-type connector is low impedance (Lo-Z) balanced. The signal appears across Pins 2 and 3; Pin 1 is ground (shield). Output phase is “Pin 2 hot" – positive acoustic pressure produces positive voltage at Pin 2. An integral 80 Hz high-pass UniSteep® filter provides easy switching from a flat frequency response to a low-end roll-off.

The roll-off position reduces the microphone’s sensitivity to popping inclose vocal use. It also reduces the pickup of low-frequency ambient noise (such as traffic, air-handling systems, etc.), room reverberation and mechanically coupled vibrations.The U857R features a 9.8' (3.0 m) permanently attached miniature cable. It connects to the provided AT8538 power module via a special TA3F-type connector designed to optimize RFI immunity.Cable exit is from the bottom of the microphone. The included passthrough adapter, designed for use with desk stands and microphone stands, provides a side-exit for the cable.Avoid leaving the microphone in the open sun or in areas where temperatures exceed 110° F (43° C) for extended periods.Extremely high humidity should also be avoided.

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Audio-Technica U857R Cardioid Condenser Adapter-Mount Gooseneck Microphone - 12 inches - B-Stock

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