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IASCA - International Auto Sound Challenge Association |
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Image Rejection - 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 Rejection is
expressed in decibels, the higher the number the better. |
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Imaging - The reproduction of sound accurately so that
the listener can imagine the original environment and placement
of the original sound sources accurately within within that environment.
The better the imaging the more analogous the reproduced sound
will be to the original. |
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Impedance - The opposition to the flow of alternating
current (AC) in a circuit. Measured in ohms  . |
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Inductance - The ability to induce an electrical current.
Measured in Henrys. |
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Input Sensitivity Control - Adjusts the amount of input
signal being fed to the amplifier stage to reduce distortion. |
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Insulation - A material that electrically isolates a
conductor or thermally isolates an object from its surroundings. |
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Intermodulation Distortion (in loudspeakers) - Is the
distortion generated in single cone speakers when the cone is
reproducing a high and low frequency simultaneously. The high
frequency peaks will be flattened off if the low frequency is
distorted in any way. |
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