03-28-2012 09:35 PM

1) An active or passive circuit or device designed to block a certain frequency or range of frequencies. 2) An electrical circuit or mechanical... [Read more]

03-28-2012 09:35 PM

A DIN head unit mounting system whereby no part or component is removeable for security purposes.

03-28-2012 09:35 PM

Fluorescent illumination for the lighted portion of a liquid crystal display. Considered to be a step-up feature from EL backlight.

03-28-2012 09:35 PM

A term used to describe the interfacing of the vehicle's parking lights, dome light, emergency lights, etc., with a security system so that the... [Read more]

03-28-2012 09:35 PM

1) Term for a circuit or audio system that will pass audio signals that will vary by no more than ± 1 dB usually between 20 Hz and 20 kHz, unless... [Read more]

03-28-2012 09:35 PM

The set of curves showing the human's ear's frequency sensitivity versus loudness, created by researchers Fletcher and Munson. The curves show the... [Read more]

03-28-2012 09:35 PM

Non-common grounding point. Often used in car audio systems where speakers are grounded to the HU independently of the vehicle grounding system.

03-28-2012 09:35 PM

The flow of magnetic energy in a circuit.

03-28-2012 09:35 PM

Acronym for Frequency Modulation. The shorter range transmission system (88 megahertz to 108 megahertz) utilized for audio and video. Less... [Read more]

03-28-2012 09:35 PM

This figure tells you how well a CD receiver can pick up FM radio signals. The smaller the number, the greater the ability to pick up weaker... [Read more]

03-28-2012 09:35 PM

A measure of the ability of an FM tuner to re-create a vivid stereo effect. Measured in dB (decibels). The higher the figure the better.

03-28-2012 09:35 PM

A speaker surround design employing a foam material for improved durability and performance.

03-28-2012 09:35 PM

The lens in the optical block of a compact disc player that focuses the laser light onto the surface of the disc.

03-28-2012 09:35 PM

The circuit that keeps the laser light correctly focused on the pit area of the disc.

03-28-2012 09:35 PM

A DIN head unit with a faceplate that hinges at the bottom to reveal a media loading slot. Provides a larger area on the face for the display and... [Read more]

03-28-2012 09:35 PM

Virtually all audio effects in a movie are created on a special soundstage (referred to as a Foley Stage), and not during actual filming of the... [Read more]

03-28-2012 09:35 PM

The cylinder portion of a speaker's voice coil; the wire is wound around this cylinder to form a coil.

03-28-2012 09:35 PM

The frequency at which a speaker will naturally resonate.

03-28-2012 09:35 PM

The number of wavelengths that pass a specific point in a specific time period, measured in Hertz (Hz). Cycles per second. The range of human... [Read more]

03-28-2012 09:35 PM

See crossover network.

03-28-2012 09:35 PM

The encoding of a carrier wave by variation of its frequency in accordance with an input signal.

03-28-2012 09:35 PM

Expressed in hertz (hz) this is the measurement of the specific frequency bandwidth that a transducer is capable of recreating. Frequency response... [Read more]

03-28-2012 09:35 PM

Driver free air resonance, in Hz. This is the point at which driver impedance is maximum. This parameter is the free-air resonant frequency of a... [Read more]

03-28-2012 09:35 PM

Bandwidth is the range of electronic signal frequencies a particular component can reproduce. For audio components like receivers, full bandwidth is... [Read more]

03-28-2012 09:35 PM

A cassette mechanism where the tape operations are carried out by logic circuits rather than mechanical methods.