Audio-Technica AT871R Boundary Condenser Microphone
Audio-Technica AT871R Boundary Condenser Microphone
Designed for surface-mount applications requiring high-quality sound pickup. Extended frequency response and uniform cardioid (120°) polar pattern. Heavy die-cast case and rubber bottom pad minimize coupling of surface vibration to the microphone. Self-contained power module.
Specifications:
- Element: Fixed-charge back plate, permanently polarized condenser
- Polar Pattern: Cardioid
- Frequency Response: 30-20,000 Hz
- Open Circuit Sensitivity: -33 dB (22.4 mV) re 1V at 1 Pa
- Maximum Input Sound Level: 130 dB SPL, 1 kHz at 1% T.H.D.
- Dynamic Range: 103 dB, 1 kHz at Max SPL
- Signal-to-Noise Ratio: 67 dB, 1 kHz at 1 Pa
- Phantom Power Requirements: 9-52V DC, 2 mA typical
- Weight: 14.6 oz (415 g)
- Cable: 25′ (7.6 m) long, 0.13″ (3.2 mm) diameter, 2-conductor, shielded; with TA3F and XLRM-type connectors
- Dimensions: 4.72″ (120.0 mm) maximum width, 5.71″ (145.0 mm) maximum length, 0.67″ (17.0 mm) height
- Output Connector: TB3M-type
