The Basics of a P.A. System
Click on each
picture for a description of the equipment
What do the
different parts do?
Mixer: Takes
multiple signals from different devices and combines them to one final signal
to be sent to the amplifiers.
(click here for enlarged picture)
Amplifier:
Amplifies the signal sent from the mixer and sends the amplified signal
to the speakers.
(click her to enlarge Picture)
Speakers: (transducer) Transforms
electrical signals into sound pressure in the air.
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(click here for enlarged picture)
Microphones: (transducer) Transforms sound pressure in the
air into electrical signals.
(click here for enlarged picture)
Cables and connectors: Used to connect pieces of equipment.
(click here for enlarged picture)
Other equipment: Examples are effects processors, recording devices, equalizers, and sound sources (tape, CD, tuner).
(click here for enlarged picture)