Amplifier

Amplifier

Any electronic device designed to inrease the volume of sound.

Industry: Consumer electronics

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Amplifier

Schmitt phase inverter

Consumer electronics; Amplifier

A phase inverter configuration using two cathode-coupled tubes, with the first tube acting as a common cathode stage providing an out-of-phase signal at its plate, while the second tube operates as a ...

Screen grid

Consumer electronics; Amplifier

A second grid element interposed between the control grid and the plate, to act as an electrostatic shield between them. This shielding action greatly reduces the input capacitance of the tube, ...

Secondary emission

Consumer electronics; Amplifier

Electrons in a vacuum tube may be moving at a sufficient speed to dislodge additional electrons when they strike the plate of the tube. These electrons emitted from the plate can reduce the current ...

Self-contained amp

Consumer electronics; Amplifier

An amplifier and speaker that are housed in the same cabinet.

Sensitivity

Consumer electronics; Amplifier

The quantity of input signal level usually specified to allow the amplifier to go to full power with all the controls up.

Slave

Consumer electronics; Amplifier

A power amplifier that is driven by the preamp of another amp or PA component; often used to provide extra power or to drive cross-stage monitor amps.

Solder mask

Consumer electronics; Amplifier

A coating on a PC board, usually a dark green or dark blue, but occasionally a yellowish color, which is designed to insulate and protect the copper traces and keep them from shorting together during ...