Audio Technica U851RW white cardioid condenser boundary mic
The white-finished version of the U851R, the phantom-powered U851RW features a PivotPoint(TM) rotating output connector, UniSteep® filter and UniGuard(TM) RFI-shielding technology. Offering outstanding speech intelligibility and transparent sound quality for surface-mount applications, the U851RW accepts interchangeable condenser elements-available for boundary microphones in cardioid, hypercardioid and omnidirectional polar patterns. With a heavy die-cast case and silicon foam bottom pads to minimize coupling of surface vibration to the microphone, the U851RW is equipped with self-contained electronics, eliminating the need for an external power module.
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Standard Features
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| ACCESSORY FURNISHED | Soft protective pouch |
| CABLE | 25.0' (7.6 m) long, 0.13" (3.2 mm) diameter, 2-conductor, shielded cable with TA3F and XLRM-type connectors |
| DIMENSIONS | 4.25" (108.0 mm) long, 3.31" (84.0 mm) maximum width, 0.91" (23.0 mm) height |
| DYNAMIC RANGE (typical) | 108 dB, 1 kHz at Max SPL |
| ELEMENT | Fixed-charge back plate, permanently polarized condenser |
| FREQUENCY RESPONSE | 30-20,000 Hz |
| IMPEDANCE | 200 ohms |
| LOW FREQUENCY ROLL-OFF | 80 Hz, 18 dB/octave |
| MAXIMUM INPUT SOUND LEVEL | 134 dB SPL, 1 kHz at 1% T.H.D. |
| OPEN CIRCUIT SENSITIVITY | –34 dB (19.9 mV) re 1V at 1 Pa |
| OPTIONAL INTERCHANGEABLE ELEMENTS | UE-H hypercardioid (100°); UE-O omnidirectional (360°) |
| OUTPUT CONNECTOR | TB3M-type |
| PHANTOM POWER REQUIREMENTS | 11-52V DC, 4 mA typical |
| POLAR PATTERN | Half-cardioid (cardioid in hemisphere above mounting surface) |
| SIGNAL-TO-NOISE RATIO | 68 dB, 1 kHz at 1 Pa |
| SWITCH | Flat, roll-off |
| WEIGHT | 9.2 oz (262 g) |
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