Audio-Technica U841R Omnidirectional Condenser Boundary Microphone

PA SKU # AT U841R MFR # U841R UPC # 042005194124
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  • Product Highlights
  • For Surface Mount Applications
  • Eliminates Phase Distortion
  • Delivers Clear Performance
  • Superior Off-Axis Rejection
  • UniGard RFI-Shielding Technology
  • No Need for External Power Module
  • Minimizes Surface Vibration
  • Low-Profile Design

Omnidirectional Condenser Boundary Microphone; Phantom Power Only, Built-In Power Module

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
  • Low Frequency Roll-Off: 80 Hz, 18 dB/octave
  • 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
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