U841R Omnidirectional Condenser Boundary Microphone


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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.
• 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

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
More Information
Weight 0.190000
Length 1.1
Width 2.95
Height 3.4
Color Black
Manufacturer Audio-Technica
Manufacturer Model Number U841R
Manufacturer Part Number U841R
UPC 42005194124
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