audio-technica U857RL
UNILINE® CONDENSER ADAPTER-MOUNT GOOSENECK MICROPHONE, 421MM
Designed for high-quality sound reinforcement
UniLine® polar pattern provides narrow 90° acceptance angle
Superior off-axis rejection for maximum gain before feedback
UniGuard® RFI-shielding technology
UniSteep® filter provides a steep low-frequency attenuation
Accepts interchangeable elements
U857RL
UNILINE® CONDENSER ADAPTER-MOUNT GOOSENECK MICROPHONE, 421MM
The 16.58" version of U857R, the U857RL cardioid condenser adapter-mount gooseneck microphone 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. Equipped with UniGuard® innovations that offer unsurpassed immunity from radio frequency interference, the U857RL 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
- 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 |
| 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. |
| Low Frequency Roll Off | 80 Hz, 18 dB/octave |
| Switches | Flat, roll-off |
| Dynamic Range | 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 |
| Weight | Microphone: 131 g Power Module: 81 g |
| Dimensions | Microphone: 16.58" (421.0 mm) long, 0.48" (12.2 mm) head diameter Power Module: 3.66" (92.9 mm) long, 0.74" (18.9 mm) diameter |
| Output Connector | 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 |
| Accessories Included | AT8538 power module; AT8663 A-mount flange; AT8664 A-mount cable pass-through adapter; AT8153 two-stage foam windscreen |
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