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Front of House (FOH)
Front of House or FOH are the main speakers (including subs) in a club, theatre or stage sound system. They are the speakers that the audience listen to. -
Resonant Frequency
Every object or space has a resonant frequency (resonance). When you pluck a string it vibrates at its resonant frequencies. When you sing or beatbox in a shower you will ... -
Equalisation (EQ)
Equalisation is known as EQ. It is a section on a mixer or in a software plugin that allows you to alter the frequencies of the sound on a channel. ... -
PFL (Pre-Fade Listen)
PFL stands for Pre-Fade Listen. It is a button on a mixer input channel that lets you monitor that channel - usually by sending it on its own to the ... -
High Pass Filter
A high pass filter does what it sounds like it does. It's a filter that lets high frequencies through. In other words, low frequencies are cut out. On mixing consoles ... -
Direct Injection (D.I.) Box
A D.I. Box is a box that converts a line level signal into a microphone level signal. D.I. Boxes come in two flavours. Passive D.I. Boxers do not need power ... -
Differentiator
A differentiator is an an electronic circuit that takes two signals and outputs the difference between the signals. Differentiators are used in balanced microphone inputs on mixers as they expect ...