is a type of amplifier used to increase the output of a low level source allowing the signal to be processed by other devices.
The term often applied to the control section of a receiver or integrated amplifier. The control section "pre" processes input signals before sending them to the power amplifier.
Also called a control amplifier or control center. A preamplifier (or preamplifier section of a receiver) handles the switching and selecting of signals, tonal adjustment, digital signal processing, and surround decoding. The preamp also boosts signals to the voltage level required for the input of a power amplifier.
Also called a control amplifier or control center. A preamplifier (or preamplifier section of a receiver) handles the switching and selecting of signals, as well as amplifying them to the voltage level required for the input of a power amplifier.
An additional stage of amplification preceding a receiver or audio amplifier to increase signal amplitudes above a prescribed level.
see microphone pre-amp
A type of amplifier specifically designed to amplify low-level signals.
An amplifier that raises the output of a low-level source for further processing without appreciable degradation of the signal-to-noise ratio.
The control part of an amp. Built into integrated amps, but can be separate and then needs to be used with power amp or active speakers.
an amplifying electronic circuit which can be connected to a low output level device such as a phono cartridge or a microphone, and produce a larger electrical voltage at a lower impedance, with the correct frequency response
A component that is used to switch between different sources and control the volume of your system. The preamp is often said to be the backbone of your system.
The portion of an amplifier that amplifies low level signals and includes most operating controls.
An audio component that selects signal sources, and provides volume and tone compensation functions. There may be special gain stages for phono cartridge inputs. It has line-level outputs to drive a power amplifier. Normally a stereo device, its multichannel equivalent is a surround processor.
The first amplification stage. In a terrestrial receive system, it is the amplifier mounted adjacent to an antenna to increase a weak signal prior to its processing at the headend.
An amplifier connected to a low-level signal source to present suitable input and output impedances and provide gain so that the signal may be further processed without appreciable degradation in the signal-to-noise ratio.
See: power amplifier
An electronic device that increases the output level of a signal to match the required signal input level of another device.
Control center of an audio/video system. Source component switching is done here, as well as volume and balance control. This component generally has some degree of signal amplification associated with it. Q - Z
A device that amplifies a weak signal for subsequent processing, which may include further signal amplification. In an SMATV system, it is the amplifier mounted adjacent to an antenna to increase the strength of the signal prior to its processing at the headend.
Strictly speaking, the stage of an audio circuit that amplifies the very small output of a phonograph cartridge, allowing it to be successfully further amplified by a power amplifier. The term is often applied to the entire control section of a receiver, integrated amplifier, or stand-alone "preamplifier." Some stand-alone preamps also contain surround-sound processing circuitry and A/V switching.
A low noise amplifier occuring before the primary amplifier.
Audio component that adjusts the volume of an audio signal and performs switching functions between attached input devices and an amplifier or group of amplifiers.
Amplifier used to boost signals before they reach a main amplifier so that 'low level signals can be brought up to a volume that can be handled by the main amp.
An amplifier, usually mast mounted, used prior to the main amplifier to increase weak signals. The preamplifier establishes the noise figure of the system. The first amplification stage. In an SMATV system, it is the amplifier mounted adjacent to an antenna to increase a weak signal prior to its processing at the headend. Radio Frequency : The approximately 10 kHz to 100 GHz electromagnetic band of frequencies used for man-made communication.
A circuit unit which takes a small signal from a component such as a CD player, tuner or tapedeck and amplifies it sufficiently to drive a power amplifier for further amplification.
The section of an amplifier used to control the sound, can be integrated with a combined amplifier, used alone with active speakers, or connected to a separate power amp.
A preamplifier (preamp) is an electronic amplifier which precedes another amplifier to prepare an electronic signal for further amplification or processing.