Audio-Technica U841R Omnidirectional Condenser Boundary Microphone
The U841R delivers exceptionally intelligible audio reproduction in a super-compact, low-profile design. Equipped with UniGuard RFI-shielding technology, this omnidirectional condenser boundary microphone is designed for clear, highly intelligible sound quality in surface-mount applications. The phantom-powered U841R is equipped with self-contained electronics, eliminating the need for an external power module.
Key Features
- Designed for surface-mount applications where highly intelligible sound quality is required
- Small-diameter omnidirectional capsule near boundary eliminates phase distortion and delivers clear, high-output performance
- 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
- Heavy die-cast case and non-slip silicon foam bottom pads minimize coupling of surface vibration to the microphone
- Low-profile design with low-reflectance finish for minimum visibility
Technical Specifications
ELEMENT
Fixed-charge back plate, permanently polarized condenser
POLAR PATTERN
Omnidirectional in hemisphere above mounting surface
FREQUENCY RESPONSE
40-20,000 Hz
OPEN CIRCUIt'sENSITIVITY
-35 dB (17.7 mV) re 1V at 1 Pa
IMPEDANCE
200 ohms
MAXIMUM INPUT SOUND LEVEL
130 dB, 1 kHz at 1% T.H.D.
DYNAMIC RANGE (typical)
105 dB, 1 kHz at Max SPL
SIGNAL-TO-NOISE RATIO
69 dB, 1 kHz at 1 Pa
PHANTOM POWER REQUIREMENTS
11-52V DC, 2 mA typical
WEIGHT (MICROPHONE)
84 g (3.0 oz)
DIMENSIONS (MICROPHONE)
65.0 mm (2.56") diameter,
15.1 mm (0.59") maximum height
OUTPUT CONNECTOR
TB3M-type
CABLE
7.6 m (25.0') long, 3.2 mm (0.13") diameter, 2-conductor, shielded cable with TA3F-type and XLRM-type connectors
ACCESSORY FURNISHED
Soft protective pouch
Payment & Security
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