Amplifier

Amplifier

Any electronic device designed to inrease the volume of sound.

Industry: Consumer electronics

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Amplifier

passive tone controls

Consumer electronics; Amplifier

Tone controls that only attenuate, or cut from, an audio signal. Generally a simple circuit, such as a pot and a capacitor, requiring no external power.

PCB

Consumer electronics; Amplifier

printed circuit board, or PC board. A piece of phenolic or glass-epoxy board with copper clad on one or both sides.

peak wattage

Consumer electronics; Amplifier

Also referred to as peak power, peak wattage is the maximum instantaneous power of a signal. Amplifiers are able to perform at their peak for only short periods of time. See RMS.

pentode

Consumer electronics; Amplifier

A five-element electron tube, containing a control grid, screen grid, suppressor grid, cathode, and plate as active elements, in addition to the filament.