Beta 181 Side Address Modular Microphone

<Cartridge Type>Electret Condenser</Cartridge Type> <Frequency Response>20 to 20,000 Hz</Frequency Response> <Output Impedance>110 Ohms</Output Impedance> <></> <Maximum SPL, 1 kHz at 1% THD, 1kO load>Cardioid: 149.0 dB SPL</Maximum SPL, 1 kHz at 1% THD, 1kO load> <>Supercardioid: 152.0 dB SPL</> <>Omnidirectional: 154.0 dB SPL</> <>Bidirectional: 153.5 dB SPL</> <></> <Signal-to-Noise Ratio, referenced at 94 dB SPL at 1 kHz>Cardioid: 73.5 dB</Signal-to-Noise Ratio, referenced at 94 dB SPL at 1 kHz> <S/N ratio is difference between 94 dB SPL and equivalent SPL of self noise, A-weighted>Supercardioid: 72.5 dB</S/N ratio is difference between 94 dB SPL and equivalent SPL of self noise, A-weighted> <>Omnidirectional: 70.5 dB</> <>Bidirectional: 71.0 dB</equivalent SPL of self noise, A-weighted> <></> <Dynamic Range, at 1 kHz, 1kO load>Cardioid: 128.5 dB</Dynamic Range, at 1 kHz, 1kO load> <>Supercardioid: 129.5 dB</> <>Omnidirectional: 130.5 dB</> <>Bidirectional: 130.5 dB</> <></> <Clipping Level, 1 kHz at 0.25% THD, 1kO load>7.5 dBV (2.4 V)</Clipping Level, 1 kHz at 0.25% THD, 1kO load> <></> <Self-Noise. equivalent SPL, A-weighted, typical>Cardioid: 20.5 dB</Self-Noise, equivalent SPL, A-weighted, typical> <>Supercardioid: 22.5 dB</> <>Omnidirectional: 23.5 dB</> <>Bidirectional: 23.0 dB</> <></> <Common Mode Rejection, 20–20,000 Hz>Greater than or equal to 55 dB</Common Mode Rejection, 20–20,000 Hz> <Polarity>Positive pressure on diaphragm produces positive voltage on pin 2 with respect to pin 3</Polarity> <Power Requirements>11–52 VDC phantom power (IEC-61938), 1.2 mA</Power Requirements> <Length x Height x Width>4.92 x 1.38 x 0.83in (125 x 35 x 21mm)</Length x Height x Width> <Weight>5.1 oz (145 g)</Weight>