Technology / Home Audio Glossary

Magnet Boot: A rubber or plastic cover for the magnet housing for protection or appearance, mostly the latter.

Magnet Structure: A combination of magnetic material and connected field concentrators that creates the magnetic field within which the voice coil interacts to produce sound. Magnetic materials have changed g . . . View Full Definition

Magnetic Flux Density: The measurement of magnetic flux, in units of Gauss, inside the air gap in which a voice coil of a speaker operates.

Mash: An acronym for Multi-stage noise shaping. This is the name given to the digital advances that were introduced after the CD specification had been established.

Matched Components: A typical separates system includes a separate woofer, tweeter, and external Crossover, all of which are designed to work smoothly with one another. Generally, these components are made of b . . . View Full Definition

Memo List: A Custom File feature that allows the user to toggle through the discs, selection titles, or station call letters currently loaded without interrupting playback of the existing disc or station.

Memory: The word most commonly used to refer to a system's ability to retain specific information, particularly; time, stations,.and other preference settings that are electronically stored and governed.

Metal Oxide Semiconductor Field Effect Transistor ( Mosfet): A type of large output transistor used in the final stages of many power amplifiers, and commonly found in most car and home amplifiers today. These field-effect transistors are controlled b . . . View Full Definition

Metal Tape Eq: An equalization circuit that compensates for the unique frequency response characteristics of metal tape.

Microbar: 1. A unit of atmospheric pressure equal to one millionth of a bar. 2. A place to consume the product of microbreweries.

Microprocessor: A multiple semiconductor IC device that can be dedicated or programmed to perform a variety of tasks in many different systems. These exist in virtually all consumer and commercial electroni . . . View Full Definition

Midbass: Those frequencies roughly between 100 and 300 Hertz. (CPS)

Midi: Acronym for Musical Instrument Digital Interface, a standard adopted by the electronic music industry for controlling devices, such as synthesizers and sound cards, that produce music. At mi . . . View Full Definition

Midi Files: A computer file format containing musical information and performance data capable of being used in MIDI capable devices.

Midrange: A Driver that is usually much smaller than a woofer, but with a surface area greater than the typical tweeter. It reproduces the mid frequency range from approximately 300 to 5000 Hertz. Thi . . . View Full Definition

Milliamps: A unit of measurement of electric current equal to 1/1000th of an ampere. The milliampere is the most common unit used when measuring quiescent current drain in consumer audio electronics.

Mixer: At its simplest level, an audio processing device used to add (combine or sum) multiple inputs into one or two outputs, complete with level controls on all inputs. From here signal processin . . . View Full Definition

Mono (Monaural): The operation of an amplifier in one channel for both input and output. Can refer to an amplifier with only one channel of amplification or operating in bridged mode. For low frequency ampli . . . View Full Definition

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