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This short post has an overview concerning several very important things which can be in most cases noted in microphone spec reports: frequency response, sensitivity, impedance, self noise level, as well as signal to noise ratio. Recognizing such technical specs may help when struggling to opt for the right dynamic microphonesto buy for a particular use.

This short post has an overview concerning several very important things which can be in most cases noted in microphone spec reports: frequency response, sensitivity, impedance, self noise level, as well as signal to noise ratio. Recognizing such technical specs may help when struggling to opt for the right dynamic microphones to buy for a particular use.

Frequency response measures how a microphone responds to diverse audio frequencies. An ideal “flat” response (equivalent sensitivity) microphone normally would react the same to all frequencies within the audible spectrum. This produces a more realistic reproduction of sound and generates the purest sound.

The simple fact is that even mics which are advertised as possessing a “flat response” may possibly deviate just a bit at several wavelengths. Mainly, spec pages definitely will include frequency response as a setting like “20Hz to 20kHz”, which means that the microphone would reproduce sounds that fall among that spectrum. Precisely what this does not point out is how accurately the different individual wavelengths will probably be reproduced.

Several mics might be purposely designed to respond distinctly to specific wavelengths. Including, musical instrument microphones designed for bass percussion tend to be engineered to be way more responsive to reduced frequencies while vocal mics will be very much more responsive to the frequency of a person’s pitch.

As a standard rule of thumb, condenser microphones display flatter frequency responses compared to dynamic. This ensures that a condenser would routinely be the better pick in case accuracy of audio reproduction is definitely the primary aim.

Self noise is the electrical hiss which the microphone creates. Most of the time the self noise specification is “A weighted”, which means that the minimum and maximum frequencies will be flattened within the response curve, to better mimic the signal response of the human ear. As a standard principle, an A Weighted self noise specification of 18dB SPL or lower is excellent (seriously quiet), 28dB SPL is useful, while everything over 35db SPL isn’t good for quality music recordings.

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Author: cheap microphones.