Service Description

Equipped with UniGuard® RFI-shielding technology, this omnidirectional condenser boundary microphone is designed for clear, highly intelligible sound reinforcement, professional recording, television and conferencing in surface-mount applications. The U841A has a 360° pickup angle and operates on battery or phantom power. Designed for surface-mount applications such as high-quality sound reinforcement, professional recording, television, conferencing and other demanding sound pickup situations UniGuard® RFI-shielding technology offers outstanding rejection of radio frequency interference (RFI) UniSteep® filter provides a steep low-frequency attenuation to improve sound pickup without affecting voice quality Small-diameter UniPoint® capsule near boundary eliminates phase distortion and delivers clear, high-output performance Heavy die-cast case and silicone foam bottom pad minimize coupling of surface vibration to the microphone Low-profile design with low-reflectance black finish for minimum visibility Operates on battery or phantom power Microphone Element Fixed-charge back plate permanently polarized condenser Polar Pattern Omnidirectional in hemisphere above mounting surface Frequency Response 30-20,000 Hz Low Frequency Roll Off 80 Hz, 18 dB/octave Open Circuit Sensitivity Phantom: –39 dB (11.2 mV) re 1V at 1 Pa Battery: –40 dB (10.0 mV) re 1V at 1 Pa