03-28-2012 09:35 PM

An open-back speaker that radiates sound equally front and rear. The front and rear waves are out of phase and cancellation will occur when the... [Read more]

03-28-2012 09:35 PM

An electrical current that flows in one direction. A battery is a common source of DC power. It has two fixed poles. One is positive, the other is... [Read more]

03-28-2012 09:35 PM

The angle at which a speaker disperses sound. Higher frequencies are narrower than lower frequencies. Tweeters are more directional than woofers.

03-28-2012 09:35 PM

A Custom File feature that allows the user to assign an eight character name to a disc.

03-28-2012 09:35 PM

In a capacitor, the release of stored energy to a load. In a battery, the conversion of chemical energy to electrical energy.

03-28-2012 09:35 PM

The spreading of sound waves as they leave a source.

03-28-2012 09:35 PM

The measurement of cubic volume that an item (such as a speaker or port) takes away from the internal volume of an enclosure. When designing an... [Read more]

03-28-2012 09:35 PM

1) Fold-down face

03-28-2012 09:35 PM

Sound that is modified or changed in some way. Measured as a percentage of the whole signal. Anything that alters the musical signal. There are many... [Read more]

03-28-2012 09:35 PM

An FM tuning method that employs two antennas. The tuner can switch between the two antennas in order to attain better reception.

03-28-2012 09:35 PM

Abbreviation for “do-it-yourself.� In audio, the most common DIY is building speakers but some hobbyists build everything from pre-amps to... [Read more]

03-28-2012 09:35 PM

Digital Multimeter. A digital meter that gives a precise reading of voltage, current, or resistance (ohms).

03-28-2012 09:35 PM

A five-channel system consisting of left, center, right, left rear, and right rear channels. All processing is done in the digital domain. Unlike... [Read more]

03-28-2012 09:35 PM

Adds a rear center channel to the existing left, center, right, and rear speakers. This format requires a 6.1 processor or receiver and DVDs that are... [Read more]

03-28-2012 09:35 PM

Selected as the main audio system for DVD and Advanced Television, Dolby Digital Surround Sound is a data reduction process utilizing "perceptual... [Read more]

03-28-2012 09:35 PM

A patented noise reduction system that increases dynamic range and signal-to-noise ratio of Dolby encoded media.

03-28-2012 09:35 PM

Four channel surround sound process (Left, Center, Right, and Surround). These four images are mixed into the Left Total and Right Total signals... [Read more]

03-28-2012 09:35 PM

A convex speaker shape usually used for tweeters.

03-28-2012 09:35 PM

 A high frequency speaker with a dome-shaped diaphragm.

03-28-2012 09:35 PM

The proper name for the electric bi-directional actuator used to provide powered control vehicle door locks. Also called a Door Lock Actuator.

03-28-2012 09:35 PM

A display type that employs regularly spaced patterned grids of point-source lighting elements. As a result, characters displayed have greater... [Read more]

03-28-2012 09:35 PM

A voice coil with two windings, generally used in woofers. Each voice coil can be connected to a stereo channel, or both voice coils can be wired in... [Read more]

03-28-2012 09:35 PM

Twice the height of the standard DIN dimensions; width is standard DIN width.

03-28-2012 09:35 PM

Acronym for Double Pole Double Throw. A term used to describe a relay that has two separate poles or contacts and can throw or make electrical... [Read more]

03-28-2012 09:35 PM

Synonymous with loudspeaker. The term also refers to a loudspeaker being coupled to a horn for acoustic coupling and controlled dispersion of sound.