audio-technica U857AL
CARDIOID CONDENSER ADAPTOR-MOUNT GOOSENECK MICROPHONE
Designed for professional recording and broadcasting
Designed for professional recording and broadcasting
UniGuard® RFI-shielding technology
UniSteep® filter improves sound pickup without affecting voice quality
Easy-to-adjust, rugged, small-diameter, alternating gooseneck
Accepts interchangeable elements
U857AL
CARDIOID CONDENSER ADAPTOR-MOUNT GOOSENECK MICROPHONE
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® innovations that offer unsurpassed immunity from radio frequency interference, the U857AL accepts interchangeable elements, available in cardioid, hypercardioid, omnidirectional and UniLine® 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.- 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
- Operates on battery or phantom power
| Element | Fixed-charge back plate, permanently polarised condenser |
| Polar Pattern | Cardioid |
| Frequency Response | 30 - 20,000 Hz |
| 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 |
| Impedance | Phantom 200Ω, Battery 270Ω |
| Switches | Off, on-flat, on-roll-off |
| Dynamic Range | Phantom 109 dB 1kHz @ Max SPL, Battery 99dB 1kHz @ Max SPL |
| Signal-to-Noise Ratio | 70 dB 1kHz @ 1 Pa |
| Phantom Power Requirements | 11-52V DC, 2 mA typical |
| Battery Type | 1.5V AA/UM3 |
| Battery Current/Life | 0.4 mA / 1200 hours typical (alkaline) |
| Weight | 131 g |
| Dimensions | Length 421mm, Head diameter 12.2mm |
| Output Connector | Integral 3-pin XLRM-type |
| Cable | 3m long (permanently attached to microphone), 3.2mm diameter, 2-conductor shielded cable with TA3F-type connector |
| Accessories Included | AT8531 power module, AT8153 two-stage foam windscreen, AT8663 A-mount flange, AT8664 A-mount cable pass-through adaptor, battery |
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