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crossover caps... [message #36849] Wed, 12 June 2002 15:18 Go to next message
Pilkar is currently offline  Pilkar
Messages: 19
Registered: May 2009
Chancellor
hi Wayne!

i'm about to build the crossovers... i need only the larger capacitors... is there any trouble if instead of one 8uF cap i place eight 1uF cap in parallel? i plan to do this with all large value caps.... is it allright?
well, thank you very much again!

Matias

Re: crossover caps... [message #36854 is a reply to message #36849] Wed, 12 June 2002 16:00 Go to previous messageGo to next message
Wayne Parham is currently offline  Wayne Parham
Messages: 18783
Registered: January 2001
Illuminati (33rd Degree)
That will work. Are they polypropylene film and metal foil caps? Is that why you've chosen to do this? Or do you just have a cabinet full of 1uF capacitors?
Re: crossover caps... [message #36858 is a reply to message #36854] Thu, 13 June 2002 12:38 Go to previous messageGo to next message
Pilkar is currently offline  Pilkar
Messages: 19
Registered: May 2009
Chancellor
hi Wayne!

yes... they are polipropylene caps... i have chosen to do this because there are not higher values than 2.2uF or so in the 400V types and i don`t like electrolitics... and no, i do not have a cabinet full of them :(... a last question... what`s the difference between polypropylene and polyester caps?

thank you very much!

Matias

Re: crossover caps... [message #36859 is a reply to message #36858] Thu, 13 June 2002 14:19 Go to previous messageGo to next message
Adam is currently offline  Adam
Messages: 419
Registered: May 2009
Illuminati (1st Degree)
What on earth do you need 400 volt caps for??? That's like... Well damn that is a LOT of power.

If you are seriously talking power levels like that, you'd be better off going with an active crossover... 250 volt caps are *plenty* (enough to handle the power capabilities of most/all JBL or Eminence drivers).

Adam

Re: crossover caps... [message #36860 is a reply to message #36859] Thu, 13 June 2002 16:09 Go to previous message
Wayne Parham is currently offline  Wayne Parham
Messages: 18783
Registered: January 2001
Illuminati (33rd Degree)
I have tried lots of different kinds of capacitors, and always seem to find myself drawn to those with a polypropylene dielectric. I even prefer them to oil filled and oil/paper caps. I like poly/foil caps where possible, and metalized film for the larger values.
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