Download Unit 1 Definitions and Questions

What does a sound system do?  Where do you see sound systems?

The basic function of a sound system is to reinforce the sound.

Mixing Boards

At the heart of every sound system is a mixer.  A mixer “mixes” the sound!  You can call it the control center of the sound system.

The mixer receives signals from microphones, instruments, etc
The signal is processed for level and tone which can then go to the outputs (speakers).

Three functions of a mixer

Changes the sound
Combines the sounds
Mixes the sounds

Click here to play with an online mixer

Now try this online mixer - Beatbox DJ Mixer – Online Mixer

Powered vs. Unpowered

All mixers fall under two categories: POWERED OR UNPOWERED

Powered Mixers
Have an amplifier built in
Less cords and cables compared to unpowered systems
Hard to upgrade without replacing entire unit

Unpowered Mixers
Does not have an amplifier built in
Amp and Mixer are two separate units

What to do about all those  Knobs!!

Looking at a mixer for the first time can be very overwhelming.  Don’t worry this will be painless!!!  
All you need to know is one channel strip.  Once you have that concept down you can figure out any size mixer!