high-gain power amplifier
81Optical fiber — A bundle of optical fibers A TOSLINK fiber optic audio c …
82Oscilloscope — This article is about current oscilloscopes, providing general information. For history of oscilloscopes, see Oscilloscope history. For detailed information about various types of oscilloscopes, see Oscilloscope types. Illustration showing the… …
83Audiophile — An audiophile, from Latin audio [ [http://www.askoxford.com/concise oed/audio audio ] , Compact Oxford Dictionary, Accessed 2007 05 11] I hear and Greek philos [ [http://www.askoxford.com/results/?view=dict freesearch=phile branch=13842570… …
84Audio system measurements — are made for several purposes. Designers take measurements so that they can specify the performance of a piece of equipment. Maintenance engineers make them to ensure equipment is still working to specification, or to ensure that the cumulative… …
85Nakamichi — Corporation Limited Type Subsidiary of Grande Holdings Ltd Industry Electronics Founded Tokyo, Japan (1948) …
86Disk laser — Not to be confused with Laserdisc. Fig.1. An optically pumped disk laser (active mirror). A disk laser or active mirror (Fig.1.) is a type of solid state laser characterized by a heat sink and laser output that are realized on opposite sides of a …
87Preamplifier — Preamp redirects here. For the device used in professional audio, see Microphone preamplifier. An example of a typical high end stereo preamplifier. A preamplifier (preamp) is an electronic amplifier that prepares a small electrical signal for… …
88Receiver (radio) — This article is about a radio receiver, for other uses see Radio (disambiguation). A radio receiver is an electronic circuit that receives its input from an antenna, uses electronic filters to separate a wanted radio signal from all other signals …
89Orthogonal frequency-division multiplexing — Passband modulation v · d · e Analog modulation AM · …
90Gramophone record — A 12 inch (30 cm) 33⅓ rpm record (left), a 7 inch 45 rpm record (right), and a CD (above) A gramophone record, commonly known as a phonograph record (in American English), vinyl record (in reference to vinyl, the material most commonly used after …
