amplifier
audio amplifier
audio equipment that amplifies the signal strength of a device such as a CD player or an electric guitar, typically for feeding loudspeaker boxes connected to it
Class T amplifier
electronic audio amplifier by Tripath
Valve audio amplifier
type of electronic amplifier of sound
Blackmer gain cell
four-transistor log-antilog voltage controlled amplifier for professional audio designed by David Blackmer
audio preamplifier
audio amplifier with output power not sufficient to control a loudspeaker; circuit that prepares an audio signal for processing or further amplification
magnetic amplifier
type of parametric amplifier
headphone amplifier
audio amplifier used with headphones
Instrument amplifier
speaker and anplifier for use with musical instruments
AV receiver
electronics component used in home theater systems; various video and audio sources can be connected and played on a multi-channel-loudspeaker system and a TV set
lock-in amplifier
amplifier type which can extract a signal with a known carrier wave from an extremely noisy environment
Class-D amplifier
audio amplifier based on digital switching
Williamson amplifier
1947 reference design of a low-distortion push-pull tube amplifier
whispering gallery
room in which echoes and magnifies sound in an unusual way