Resources
UniPoint Review - Sound & Video Contractor
pdf 128.21 KBUniPoint Review - Pro Audio Review
pdf 238.70 KBU857R, U857RL Specification Sheet
pdf 794.86 KBU857R & U857RL Submittal Sheet
pdf 440.17 KB
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U857R 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 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. 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
- 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
| SPECIFICATIONS | |
|---|---|
| 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 |
| SPECIFICATION GRAPHS | ||
|---|---|---|
| Click on the chart to view the larger image | ||
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Conditions
U857R : Cardioid Condenser Adapter-mount Gooseneck Microphone
