03-28-2012 09:35 PM

The human ear is less sensitive at low frequencies than in the midrange. Reducing volume will cause the listener to notice how the bass seems to... [Read more]

03-28-2012 09:35 PM

The ability to transfer heat away from a component into the air to prevent damage.

03-28-2012 09:35 PM

A device for dissipating heat from a transistor or amplifier.

03-28-2012 09:35 PM

The measurement for inductance. Coils (low pass filters) are measured in milli henries as in 6.4 mHy (6.4 millihenries).

03-28-2012 09:35 PM

The unit of measurement for frequency. 1 Hz is equal to 1 cycle per second.

03-28-2012 09:35 PM

Acronym for High Intensity Discharge.

03-28-2012 09:35 PM

A loudspeaker specifically designed to reproduce short, high-frequency wave lengths. The driver typically has a small, lightweight diaphragm.

03-28-2012 09:35 PM

An input configured to accept speaker level signals.

03-28-2012 09:35 PM

A network of elements used to attenuate all frequencies below a predetermined frequency. Frequencies above the cutoff point pass without any effect.

03-28-2012 09:35 PM

Term that refers to a set of speaker components used to reproduce frequencies above 500 Hz as in a set of separates. May also refer to tweeters which... [Read more]

03-28-2012 09:35 PM

Background audio noise often associated with tape audio formats. Most noticeable at low signal levels and high gain amplification. Audio noise that... [Read more]

03-28-2012 09:35 PM

An audio system designed to reproduce the theater sound experience while viewing film at home. Minimally consisting of a Dolby Pro Logic® surround... [Read more]

03-28-2012 09:35 PM

A speaker designed using its own funnel shaped conduit to amplify, disperse of modify the sounds generated by the internal diaphragm of the speaker.

03-28-2012 09:35 PM

An audio noise that has a steady low frequency pitch. Often associated with ground loop issues or poor filtering capacitors in preamp or amplifier... [Read more]

03-28-2012 09:35 PM

Acronym for International Auto Sound Challenge Association.

03-28-2012 09:35 PM

Acronym for In Car Entertainment.

03-28-2012 09:35 PM

Refers to a source of power in the vehicle (controlled by the ignition switch) that has +12VDC on it when the ignition key is both in the run and... [Read more]

03-28-2012 09:35 PM

Acronym for Infinite Impulse Response Filter. A digital filter employing a single stage, through which the signal is passed repeatedly to achieve the... [Read more]

03-28-2012 09:35 PM

The rejection of the same signals that can be received at two or more points on the dial of a tuner by a single radio station (ghost, images). Image... [Read more]

03-28-2012 09:35 PM

The reproduction of sound accurately so that the listener can imagine the original environment and placement of the original sound sources accurately... [Read more]

03-28-2012 09:35 PM

Expressed in ohms, impedance represents the resistance to the flow of current in the signal. Impedance includes resistance from any source, including... [Read more]

03-28-2012 09:35 PM

Two or more signals that have the same waveform and identical amplitude in synchronization.

03-28-2012 09:35 PM

The ability to induce an electrical current. Measured in Henrys. The capability of a coil to store energy in a magnetic field surrounding it. It... [Read more]

03-28-2012 09:35 PM

Radiated noise that is transmitted through a magnetic field to surrounding lines.

03-28-2012 09:35 PM

An electrical component in which impedance increases as the frequency of the AC decreases. Also known as coils that are used in passive crossovers.... [Read more]