Condenser microphones are devices that have high-impedance. They require that the amplification is located near the sensor itself. Usually, an amplifier limits their dynamic range. The most usual material to make them is stainless steel, although there’s the option of other similar metals. This type of microphones is steady at varying temperatures and environmental changes. In brief, they are able to maintain a certain calibration for a long time.
Characteristics of Condenser Mics
Condenser microphones are great transducers, especially when talking about measurements of sound pressures. These devices are extremely sensitive to vibrations, which make them a popular option when needed for an industrial environment.
How They Work
These mics involve two metal plates. The backplate is stable, whereas the diaphragm is movable. Together, the two plates form a capacitor. The operation is quite simple. When a sound wave hits the diaphragm, the distance between the two plates is altered. As a result, the electrical signal is modified, producing a capacitance.
Condenser microphones need an electrical current to alter the plates and get a signal. This current is usually provided by a battery or phantom powering. These devices commonly have mixing console/audio interface, which is why one can use phantom powering. The final sound they produce is clear, crisp, and detailed.
Condenser Microphones: Advantages and Disadvantages
Condenser microphones have both advantages and disadvantages. On the one hand, the diaphragm assembly of these types of microphones is light and small, so these devices are more efficient at moving and are more capable of capturing high frequencies. They can easily acquire a flat frequency response, as well as extended frequency ranges. On the other, condenser microphones have a limit to the maximum signal level. They are complex devices and easily affected by temperature changes and humidity. And, in addition, some models can produce noise-interference.
