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Description:

Manufacturer's website

Featuring Audio-Technica’s UniLine™ line-cardioid element with a tightly focused 90º acceptance angle, the U857QU quick-mount gooseneck condenser microphone is designed to plug directly into a panel- or desk-mounted XLRF-type connector; it is 19.17” long. 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 U857QU accepts 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 blasts
  
• Quick-mount design with 3-pin XLRM-type connector insert at base plugs into any standard XLRF-type surface or cable connector
  
• 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	5.7 oz (161 g)
DIMENSIONS	19.17" (487.0 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

SPECIFICATION GRAPHS
Click on the chart to view the larger image
		POLAR PATTERN
		FREQUENCY RESPONSE