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Shure Incorporated - A15HP
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High Pass Filter

Series: Shure

Model: A15HP

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This high pass filter rolls off low audio frequencies to reduce 60Hz electrical hum, low-frequency wind noise, air conditioner noise, or stand- and floor-transmitted low-frequency vibrations. When loaded with a low-impedance microphone input (800 ohms or more), the rolloff is 12 dB per octave below 100 Hz. When loaded with 150 ohms, the rolloff is 3 dB at 100 Hz. The output is flat above the rolloff point (with a maximum loss of 0.5 dB at 1 kHz).
 
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