
- Transducer TypeCondenser
- Polar PatternsBidirectional (Beta 181/BI), Cardioid (Beta 181/C), Omnidirectional (Beta 181/O), Supercardioid (Beta 181/S)
- Frequency Response20 Hz - 20 kHz
- Output Impedance110 ohms
- Max. SPL (1kHz at 1% THD, 1kohms load)
- Beta 181/C: 149dB SPL
- Beta 181/S: 152dB SPL
- Beta 181/O: 154dB SPL
- Beta 181/B: 153.5dB SPL
- Signal to Noise Ratio
- Beta 181/C: 73.5dB
- Beta 181/S: 72.5dB
- Beta 181/O: 70.5dB
- Beta 181/B: 71dB
- Dynamic Range (at 1kHz, 1kΩ load)
- Beta 181/C: 128.5dB
- Beta 181/S: 129.5dB
- Beta 181/O: 130.5dB
- Beta 181/B: 130.5dB
- Self-Noise (equivalent SPL, A-weighted, typical)
- Beta 181/C: 20.5dB
- Beta 181/S: 22.5dB
- Beta 181/O: 23.5dB
- Beta 181/B: 23dB
- Clipping Level (1kHz at 0.25% THD, 1kΩ load)7.5dBV (2.4V)
- Power Requirements11-52 VDC phantom power (IEC-61938), 1.2mA
- Weight5.1 oz
Why Choose SoundPro?
Since 1973, SoundPro has been the trusted source for audio, video, and lighting gear. Whether you're starting your AVL journey or are a seasoned professional, we're here to help you every step of the way.