Product Overview
Put it where you need it...easily!
- 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
Product Details
Audio-Technica U857R UniPoint Cardioid Condenser Adapter Mount Gooseneck Microphone
Designed for flexible performance in boardroom, school, government, house of worship and other installed applications, the high-performance U857R from Audio-Technica 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 phantom-powered podium microphone also offers an 80 Hz low-cut UniSteep filter that reduces pickup of low-frequency ambient noise.
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- 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 (7.9 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 (131 g)
Weight (Power Module): 2.9 oz (139 g)
Dimensions (Microphone): 12.01" (305.0 mm) long, 0.48" (12.2 mm) head diameter
Dimensions (Power Module): 3.66" x 0.74", 92.9 mm x 18.9 mm (Length x 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
