- Description
Details
The U841A 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 reinforcement, professional recording, television and conferencing in surface-mount applications. The U841A has a 360° pickup angle and operates on battery or phantom power.
- Features
Features
- 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
- Specification
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 Impedance Phantom: 200 ohms Battery: 270 ohms Maximum Input Sound Level Phantom: 132 dB, 1 kHz at 1% T.H.D. Battery: 122 dB SPL, 1 kHz at 1% T.H.D. Dynamic Range (typical) Phantom: 111 dB, 1 kHz at Max SPL Battery: 101 dB, 1 kHz at Max SPL Signal-to-Noise Ratio 73 dB, 1 kHz at 1 Pa Phantom Power Requirements 11-52V DC, 2 mA typical Battery Type 1.5V AA/UM3 Battery Current / Life 0.4 mA / 1200 hours typical (alkaline) Switch Off, on-flat, on-roll-off Power Module Output Connector Integral 3-pin XLRM-type Cable (L x Dia) 25.0' (7.6 m) x 0.13" (3.2 mm) 2-conductor, shielded cable with TA3F-type connector permanently attached to microphone Accessories Furnished AT8531 power module; battery; soft protective pouch Microphone Dimensions (H x Dia) 0.59" (15.1 mm) x 2.56" (65 mm) Power Module Dimensions (H x W x D) 3.31" (84 mm) x 2.48" (63 mm) x 0.87" (22 mm) Microphone Weight 2.8 oz (78 g) Power Module Weight 4.9 oz (139 g) - Documents
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