Tech Glossary
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Fader - The control that adjusts the relative volume levels of front and rear speakers in a four-speaker system or the front and rear pre-amplifier outputs.
Filter - An active or passive circuit or device designed to block a certain frequency or range of frequencies.
Flat Frequency Response - Term for a circuit or audio system which will pass audio signals that will vary by no more than ± 1 dB usually between 20 Hz and 20 kHz unless otherwise specified.
Floating Ground - Non-common grounding point.
Frequency - The number of wavelengths which pass a specific point in a specific time period, measured in Hertz (Hz). Cycles per second.
Frequency Response - The lowest and highest parts of the frequency spectrum that can be reproduced by an audio component within specific limits and tolerances.
Fundamental Frequency - The principal component of a complex waveform having the lowest frequency.
Fuse - A device that protects electric circuits by interrupting power in a circuit when an overload occurs. Rated in amperes (amps).