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Capacitance - The ability of a conductor or dielectric
to store electric charge. |
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Capacitor - 1 (polarized) An electrical circuit element
used to store charge temporarily, consisting in general of two
metallic plates separated by a dielectric. 2 (non-polarized) A
crossover component used to filter out lower frequencies and allow
higher frequencies to pass. |
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Capture Ratio - Expressed in decibels, with the smaller
the number the better. The ratio of captured signals of different
strength on the same frequency. |
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Circuit - 1 Any closed path followed by electrical current.
2 A configuration of electrically or electromagnetically connected
components or devices. |
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Circuit Breaker - A device that protects electric circuits
by interrupting power in a circuit when an overload occurs. Unlike
a fuse a circuit breaker is resetable. Rated in amperes (amps). |
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Clipping - Audible distortion that occurs when continuous
power-to-peak power capabilities (headroom) are exceeded. "Turn
it down!" |
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Coaxial - A speaker composed of larger cone for low
range frequencies and a smaller cone or tweeter for higher frequencies
aligned on the same axis. A crossover network is necessary to
route the proper signals to each driver. These may be passive
(usually included). If the speakers are bi-amplified, an active
crossover will be used to route the proper range of frequencies
to the respective amplifier channels. |
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Coil (Choke, Inductor) - A crossover component used
to filter out higher frequencies and allow lower frequencies to
pass. |
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Conduction - The mode of heat transfer within a body
or between bodies in contact with each other. |
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Conductivity - he ability of a conductor to allow the
passage of electrons, measured in the current per unit of voltage
applied, shown in resistance. |
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Cone - The most common shape for the radiating surface
of a loudspeaker referred to as the part that moves the air. |
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Constant 12 V (+) - A lead, wire, or connection point
that shows positive 12 volts regardless of ignition key position
or any other switch; Positive terminal of 12 volt battery. |
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Continuity - The condition of being continuous. |
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Cross Interleave Reed-Solomon Code (CIRC) - A combination
of codes and interleaved data that make it possible to detect
and correct errors in a compact disc system. |
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Crossover Frequencies - The frequencies at which an
active or passive crossover network divides audio signals, expressed
in Hertz (Hz). |
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Crossover Network - A unit that divides the audio spectrum
into two or more frequency bands. The two types are active and
passive. |
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Crossover Point - Same as crossover frequency. |
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Crosstalk (Channel Separation) - The amount of interference
on one stereo channel caused by the leaking of the other stereo
channel. The higher the rating in decibels (dB), the better the
Channel Separation. |
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Current - The rate of flow of electricity, measured
in amperes (amps). |
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