![]() ![]() Variable (switchable) attenuation pads allow for the following: The function of a pad is to output the same signal as its input, only at a lower level, preserving the signal-to-noise ratio as best as possible.Ī microphone attenuation pad reduces the level of the microphone audio signal coming from the microphone capsule before the signal reaches the active circuitry. And so passive pads will pass any audio signal without that audio signal becoming distorted!Īttenuation means decreasing the level of an audio signal. An attenuation pad is easily conceptualized as the opposite of an amplifier. Audio signals will never reach the point of damaging the pad circuitry. Passive circuitry is also exempt from distortion up until the point where the electrical components become damaged. The passivity of a pad means it requires no power to function. The device is a special type of passive electrical circuit made up entirely of resistors. It is a passive device designed to attenuate an audio signal. What Is A Microphone Attenuation Pad And What Does It Do?Ī PAD (Passive Attenuation Device) is exactly as its name suggests. But let's get into more detail about how passive attenuation devices work and how to use them in practice! Pads reduce signal levels before the active amplification process in order to avoid overloading the microphone circuitry. The circuitry in active mics may overload if the incoming signal from the capsule is too strong, causing audio signal distortion. So what is a microphone attenuation pad? A “PAD” stands for Passive Attenuation Device. Let's focus on attenuation pads and how they work inside a microphone. Perhaps you've noticed some microphones come with switchable options: On/off switches high-pass filters and other equalization boosts/cuts polar pattern switches and attenuation pads. Left: PAD Options Of The AKG C 414 XLII (0, -6 dB, -12 dB, and -18 dB). ![]()
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