รายละเอียดย่อ :
Unidirectional Condenser Boundary Microphone
 
รายละเอียดทั้งหมด :
Audio-technica U871UG Unidirectional Condenser Boundary Microphone 
- Designed for surface-mount applications such as high-quality sound reinforcement, professional recording, television, conferencing and other demanding sound pickup situations.
 
- UniGuardTM RFI-shielding technology offers outstanding rejection of radio frequency interference(RFI).
 
- Superior off-axis rejection for maximum gain before feedback.
 
- Small-diameter UniPoint capsule near boundary eliminates phase distortion and delivers clear, high-output performance.
 
- Heavy die-cast case and non-silp silicon foam bottom pads minimize coupling of surface vibration to the microphone.
 
- Low-profile design with low-reflectance finish for minimum visibility.
 
- AT871UG has contained electronics eliminate need for external power module.
 
- The AT871UG requires 9V to 52V phantom power for operation only.
 
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Specifications
| 
 Element 
 | 
 Fixed-charge back plate, permanently polarized condenser 
 | 
 
| 
 Polar Pattern 
 | 
 Half-cardioid (cardioid in hemisphere above mounting surface) 
 | 
 
| 
 Frequency Response 
 | 
 30-20,000 Hz 
 | 
 
| 
 Open Circuit Sensitivity 
 | 
 -34 dB(19.9mV) re 1V at 1Pa 
 | 
 
| 
 Impedance 
 | 
 200 ohms 
 | 
 
| 
 Maximum Input Sound Level 
 | 
 133 dB SPL (1KHz,THD 1%) 
 | 
 
| 
 Dynamic Range (Typical) 
 | 
 103 dB, 1 kHz at Max SPL 
 | 
 
| 
 Signal-To-Noise Ratio 
 | 
 67 dB, 1 kHz at 1Pa 
 | 
 
| 
 Phantom Power Requirements 
 | 
 415 g 
 | 
 
| 
 Dimensions 
 | 
 17.0mm x 145.0mm x 120.0mm (H x W x D) 
 | 
 
| 
 Angle 
 | 
 120° 
 | 
 
| 
 Cable 
 | 
 7.6m long, 3.2mm diameter, 2-conductor shielded cable with TA3F-type connector and XLRM-type connectors. 
 | 
 
| 
 Accessories Furnished 
 | 
 Soft protective pouch 
 | 
 
 
 
 
 
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