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U-851R er en Unipoint nyre kondensator boundary mikrofon Kun fantommating, lavrefleksjon med sort overflate.
Featuring breakthrough audio and mechanical design innovations, the phantom-powered U851R offers outstanding speech intelligibility and transparent sound quality for surface-mount applications. The microphone is equipped with a PivotPoint® rotating output connector, UniSteep® filter and UniGuard® RFI-shielding technology. It 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 U851R is equipped with self-contained electronics, eliminating the need for an external power module.
Features:
- Designed for surface-mount applications such as high-quality sound reinforcement, professional recording, television, conferencing and other demanding sound pickup situations
- PivotPoint® rotating output connector allows cable to exit from either the rear or the bottom of the microphone
- Superior off-axis rejection for maximum gain before feedback
- UniGuard® RFI-shielding technology offers outstanding rejection of radio frequency interference (RFI)
- Self-contained electronics eliminate need for external power module
- Small-diameter UniPoint® capsule near boundary eliminates phase distortion and delivers clear, high-output performance
- Heavy die-cast case and non-slip silicone foam bottom pads minimize coupling of surface vibration to the microphone
- Low-profile design with low-reflectance finish for minimum visibility
ELEMENT | Fixed-charge back plate, permanently polarized condenser |
POLAR PATTERN | Half-cardioid (cardioid in hemisphere above mounting surface) |
FREQUENCY RESPONSE | 30-20,000 Hz |
LOW FREQUENCY ROLL-OFF | 80 Hz, 18 dB/octave |
OPEN CIRCUIT SENSITIVITY | –34 dB (19.9 mV) re 1V at 1 Pa |
IMPEDANCE | 200 ohms |
MAXIMUM INPUT SOUND LEVEL | 134 dB SPL, 1 kHz at 1% T.H.D. |
DYNAMIC RANGE (typical) | 108 dB, 1 kHz at Max SPL |
SIGNAL-TO-NOISE RATIO | 68 dB, 1 kHz at 1 Pa |
PHANTOM POWER REQUIREMENTS | 11-52V DC, 4 mA typical |
SWITCH | Flat, roll-off |
WEIGHT | 9.2 oz (262 g) |
DIMENSIONS | 4.25" (108.0 mm) long, 3.31" (84.0 mm) maximum width, 0.91" (23.0 mm) height |
OUTPUT CONNECTOR | TB3M-type |
CABLE | 25.0' (7.6 m) long, 0.13" (3.2 mm) diameter, 2-conductor, shielded cable with TA3F and XLRM-type connectors |
OPTIONAL INTERCHANGEABLE ELEMENTS | UE-H hypercardioid (100°); UE-O omnidirectional (360°) |
ACCESSORY FURNISHED | Soft protective pouch |