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The Great Equalizer

In this post we’ll look at EQ - the history of its development as a sound modifier and its use in an acoustic guitar context. Originally, equalizers were designed to smooth out frequency response anomalies anywhere in an audio chain, whether it be a microphone (or pickup), a recording device like a vinyl disc-cutting machine or tape recorder, or a loudspeaker system. Other simple types of EQ are still being used as “tone controls,” the most common being the passive treble cut tone control found in guitars and tube amps.