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 speaker crossovers
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timbo
Silver Member

Australia
252 Posts

Posted - 01/18/2009 :  06:42:39  Show Profile  Reply with Quote
gday everyone.

i'm redesigning my stereo speakers and thinking about buying a new midrange driver and building a new crossover. i can get buy doing most things myself, but i honestly find crossovers a little overwhelming. is anyone here able to give me a few pointers?

components for one speaker:
2 x 8ohm woofers
1 x 6ohm soft dome midrange (thinking of replacing with 8ohm cone as its a bit gnarly)
1 x 8ohm silk dome tweeter

maybe 500 & 4k @ 12dB/octave?

any help appreciated!

pedals 4 pv
Platinum Member

Canada
1351 Posts

Posted - 01/18/2009 :  08:15:57  Show Profile  Reply with Quote
I found a pdf. with a chart and some fomulae if that helps
http://www.electusdistribution.com.au/images_uploaded/crossovr.pdf
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timbo
Silver Member

Australia
252 Posts

Posted - 01/18/2009 :  08:59:35  Show Profile  Reply with Quote
yeah, i found something similar. its just the fact of working out the best way to wire all this.

im thinking tri-amping might be easier!
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FRANZONI
Double Platinum Member

Ireland
3543 Posts

Posted - 01/18/2009 :  13:31:16  Show Profile  Visit FRANZONI's Homepage  Reply with Quote
Probably not much use to you but we had some problems with the P.A. recently..(we split the tops and bottoms with a crossover)turned out the frequency card in the crossover wasn't letting enough of the top end through and was causing all sorts of problems with the desk as the split frequencys to the top end have to be routed back through to be amplified(power amp to the bottoms,powered desk to the tops)..when you say 'building a new crossover' i'm not exactly sure what you mean....? if you mean the actual unit trust me the frequency card you use is very important.....
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timbo
Silver Member

Australia
252 Posts

Posted - 01/18/2009 :  13:38:25  Show Profile  Reply with Quote
at the moment im talking about passive crossovers, so amp to the speakers with internal crossovers.

i wish i could afford some off the pa gear i used to use!
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