Difference Between Dynamic and Condenser Microphone - By: Herry
Most professional condenser microphone get sound waves and convert those waves into an electric signal to be used by audio equipment in a single of two ways.
Dynamic Microphones
A dynamic (or moving coil) microphone operates by using a wire coil and a magnet to create the audio signal. The interaction of the wire coil and magnet is known as electromagnetic induction and is accountable for generating an output signal voltage. A diaphragm is connected to the coil,Jordan Spizikes 2012, and is mounted inside the mic so that it can relocate response to a sound wave. When the diaphragm vibrates, the attached coil moves backwards and forwards within the magnetic field. This motion within the field generates an electrical current (induction), which can be converted by audio equipment into sound waves. The strength of the electrical current is directly related to the motion from the coil.
Advantages
Dynamic mics are wonderful general-purpose microphones. They have less moving parts than condenser mics, and for that reason they're typically more rugged and durable. In addition, since they generate their own current, no external power source is required.
Disadvantages
The physics behind the moving coil can bring about limitations in frequency response. In most cases, dynamic microphones are less sensitive than condenser mics.
Condenser Microphones
In a condenser microphone a voltage charge is used to the diaphragm by either a battery or phantom power. The diaphragm is mounted very close to a stationary back plate. Sound waves striking the diaphragm causes it to move closer and farther away from the back plate which causes electrical charge fluctuations to occur. The interaction between your diaphragm and back plate creates an electrical component called a capacitor (or condenser), and the resulting variations in voltage could be reinterpreted as sound waves through the receiving audio equipment.
Advantages
Condenser microphones are very responsive and create a stronger signal than dynamic mics. This will make them an ideal choice for professional settings for example studio work, where it's important to pick up vocal subtleties.
Disadvantages
Typically condenser mics have more moving parts than their dynamic counterparts and are less durable. Also, given that they do not generate their very own current they require another power supply. (Battery or phantom power)
What is phantom power? Phantom power is a direct current (typically between 12 and 48 volts) that supplies condenser microphone with power through audio cables. 48 volt phantom power is easily the most common and is often given by microphone preamps and audio mixers.
About the Author
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