Microphones/Speakers

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13 Terms

1
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Phantom Power

Extra electricity put into mic's, DC electric power to mic's that have active electronic circuitry (48 volts)

2
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Dynamic Mic

Has a diaphragm, cylindrical wire coiled magnet
Energy moves back and forth on wire, converting it into pos and neg energy (Alternating Current)
Doesn't need phantom power

3
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condenser microphone

Two plates: backplate and diaphragm
Soundwaves vibrate within the diaphragm
The distance between the back plate and diaphragm impacts the voltage called capacitance
Requires phantom power

4
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Ribbon Mic

Thin ribbon-like strip of aluminum between two magnets
Movement of aluminum between magnets creates variance
CANNOT have phantom power

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Cardioid

Heart shaped!
Records in one direction

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Omnidirectional

Records from all sides (360)

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Bidirectional

Records from two directions

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Hyper-cardioid

Records from an extreme distance but only one direction

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Moving Coil Speaker

Works like a dynamic mic!

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Electrostatic speaker

Works similarly to a condenser mic

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Ribbon Speaker

works like a.. you guessed it…. ribbon mic

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Active Speaker

Plugs into a wall
Doesn't need amp

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Passive Speaker

Requires an amp (needs someone else's energy)