The document discusses the key components of a basic sound system, including mixers, powered vs. unpowered mixers, channel strips, gain, pan, EQ, monitors, and mains. It explains that mixers are the central device that combines and adjusts audio signals, and there are two main types - powered mixers with built-in amplifiers and unpowered mixers without. It also provides an overview of the functions of channel strips, gain, pan, and EQ in adjusting individual channel levels and frequencies.

1. Music Technology I
Sound Systems

2. Mixer
 Central location of the sound system
 Device that “mixes,” combines, changes the level,
timbre and/or dynamics of audio signals

3. 2 Types of Mixers
 Powered Mixer: Has an amplifier built in
 Unpowered Mixer: No built in amplifier

4. Powered vs. Unpowered
Powered Mixer Unpowered Mixer

5. Open the online mixing
board we were playing
with the other day…

6. Channel Strip
 Part of the board where you can
adjust the inputs and sound levels
to create mixing product. All channel
strips are the same on every board.
When you know one, you know
them all.

10. Gain
 Controls individual channel volumes
Pan
 Balances left and right sound output

11. EQ
 Stands for Equalization
 Balances and changes the volume of the frequencies
of an audio signal.
 Hi, Lo, Mid

12. Monitors
 Speakers that face musicians

13. Mains
 Speakers that face the audience

15. Signal Flow
 The path the audio signal takes.
 Out to In.

16. Signal Flow

17. Save your notes to
your terastaion folder