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Multi-Way Conventional loudspeakers with crossovers

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Old 8th January 2003, 06:19 PM   #11
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Thanks Dave,

But I need to know the range of values of the caps normally used in crossover, like 100uf 50V mono or polarised etc.
Any hint?
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Old 8th January 2003, 07:13 PM   #12
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Originally posted by chris ma
But I need to know the range of values of the caps normally used in crossover, like
100uf 50V mono or polarised etc.
Any hint?
To get a ballpark you need to know the nominal impedance of your speaker and the neighborhood of where you want to XO.

a 2 uF cap into a nominal 8 ohms gives an XO of 10kHz. Making it 2x as big moves the XO to 5 kHz, halving it moves it to 20k.

If you have a 4 ohm T, double the cap value, if a 16 ohm T halve them.

Typically the higher the voltage the better the cap sounds, but 50V is probably a reasonable rating for most situations (althou i have seen many a 5V cap on vintage stuff)

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