CHAPTER 7
DRIVE SYSTEM
The drive system consists of the audio components in the audio chain, which drive the amplifiers once the signal has left the mixing console (Figure 7–1).
GRAPHIC EQUALIZER 
The graphic equalizer consists of 27 potentiometers (pots) or faders that are on third-octave centers from 40 to 16,000 Hz (16 kHz). These controls enable the sound system to be tuned to suit a given environment. Tuning is a subjective operation that requires considerable experience and skill. Listen closely to any equalizing with an analyzer and let your ears be the final judge. Each side of a stereo sound system requires a graphic equalizer, and ...
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