ARC Audio XDi 600.4 Manual do Proprietário - Página 6
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Bandpass Crossovers in 250 Words or Less
There are times when you would like to limit a speaker to a specific range of frequencies or sounds. A great example of
this is a midrange. You don't want it playing very low frequencies that might damage it. Smoked voice coils smell terrible.
To achieve this you need to use Bandpass crossover. A Bandpass will have 2 controls for frequency adjustment. Now here
is where it gets confusing. The "Highpass" control takes out the low frequencies. The "Lowpass" filters out the highs. I
know, I said it would be confusing but I'll try to make it easier to understand. Highpass means exactly that, it's passing the
high frequencies and blocking anything below the point you have set. So literally High Frequencies are Passed
(Highpass). Lowpass does just the opposite. It passes low frequencies while filtering out the highs.
OK got that? Here are a couple graphs that might help.
HIGHPASS
LOWPASS
BANDPASS
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