Condenser v.s. Dynamic Microphones

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Music Tech || MT CA5 - Multitrack Recording

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1
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<p>How do <strong>dynamic </strong>microphones work?</p>

How do dynamic microphones work?

  • Dynamic microphones have what is called a moving coil.

  • When you speak into a dynamic microphone:

    • A magnetic coil moves back and forth.

    • This movement generates a small electrical voltage.

2
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<p>Label the parts of the dynamic microphone.</p>

Label the parts of the dynamic microphone.

  • Copper coils

  • Sound waves

  • Diaphragm

  • Wires carrying the electrical audio signal

  • Magnet

<ul><li><p>Copper coils</p></li><li><p>Sound waves</p></li><li><p>Diaphragm</p></li><li><p>Wires carrying the electrical audio signal</p></li><li><p>Magnet</p></li></ul>
3
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How do condenser microphones work?

  • Condenser microphones have a capacitor which consists of two charged magnetic plates.

  • When you speak into a condenser microphone:

    • The distance between these two plates changes

    • This movement create a change in voltage

4
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<p>Label the parts of the condenser microphone.</p>

Label the parts of the condenser microphone.

  • Diaphragm

  • Sound waves

  • Magnetic plate

  • Power supply

  • Output signal

<ul><li><p>Diaphragm</p></li><li><p>Sound waves</p></li><li><p>Magnetic plate</p></li><li><p>Power supply</p></li><li><p>Output signal</p></li></ul>
5
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What is phantom power?

  • For condenser microphones to work they require a power supply of +48 Volts.

  • This is known as phantom power.

  • Usually this is supplied by your audio interface through the XLR cable.

6
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What are the features of dynamic microphones?

  • Can withstand high sound pressure levels (SPL)

  • Very robust

  • Does not require phantom power

  • Generally, narrower frequency range

  • Curved frequency response

  • Requires more gain: less sensitive to picking up faint and/or distant sounds

7
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What are the features of condenser microphones

  • Can generally handle lower sound pressure levels (SPL)

  • More fragile

  • Requires phantom power

  • Generally, wider frequency range

  • Flatter frequency response

  • Requires less gain: more sensitive to picking up faint and/or distant sounds