Parts for this crossover

The Paulinator · 13th April 2005, 07:10 AM

I am not much of a crossover builder as I normally have them made for me. Can someone tell me what parts I would need for a basic first order 2-way with a 500hz crossover point and how where to put them in the crossover? I am sure if I knew this I could make it myself and save a pantload of money.

Plus, as long as I have been doing this, I really should know how to do this by now. I need to stop putting it off and start somewhere, ya know?

planet10 · 13th April 2005, 07:25 AM

A text book XO would have a cap in series & a shunt choke on the tweeter, and a series choke & a shunt cap on the mid-woofer. A text book XO assumes a nice resisitive speaker load. In real life such a speaker load is quite rare (i have run into tweeters resistive enuff that a text book XO is not that far off).... they also assume a flat frequency response of the driver far beyound the XO point in both directions ... that is why things get interesting. I try to avoid them whenever possible, and if i can't i prefer to go active.

dave

Bill Fitzpatrick · 13th April 2005, 07:30 AM

Seems to me he asked about a first order.

planet10 · 13th April 2005, 07:58 AM

Quote:

Originally posted by Bill Fitzpatrick
Seems to me he asked about a first order.

Indeed he did Bill... time for me to go to bed, i read 2-way and grooked 2nd order...

a cap in series on the tweeter, and a choke in series with the woofer is a text book XO... all the rest applies.... with 1st order you can also consider a series XO -- drivers wired in series, a shunt cap on the woofer, and a shunt choke on the woofer.

dave

Bill Fitzpatrick · 13th April 2005, 04:10 PM

Here's a crossover calculator.

http://ccs.exl.info/calc_cr.html

Keep in mind that a first order nextwork is almost always insufficient.

13th April 2005, 07:10 AM	#1
The Paulinator diyAudio Member Join Date: Jan 2002 Location: Spfld, OR	Parts for this crossover I am not much of a crossover builder as I normally have them made for me. Can someone tell me what parts I would need for a basic first order 2-way with a 500hz crossover point and how where to put them in the crossover? I am sure if I knew this I could make it myself and save a pantload of money. Plus, as long as I have been doing this, I really should know how to do this by now. I need to stop putting it off and start somewhere, ya know?

13th April 2005, 07:25 AM	#2
planet10 frugal-phile(tm) diyAudio Moderator Join Date: Oct 2001 Location: Victoria, BC, NA, Sol III Blog Entries: 5	A text book XO would have a cap in series & a shunt choke on the tweeter, and a series choke & a shunt cap on the mid-woofer. A text book XO assumes a nice resisitive speaker load. In real life such a speaker load is quite rare (i have run into tweeters resistive enuff that a text book XO is not that far off).... they also assume a flat frequency response of the driver far beyound the XO point in both directions ... that is why things get interesting. I try to avoid them whenever possible, and if i can't i prefer to go active. dave __________________ community sites t-linespeakers.org, frugal-horn.com, frugal-phile.com ........ commercial site planet10-HiFi p10-hifi forum here at diyA

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13th April 2005, 07:30 AM	#3
Bill Fitzpatrick diyAudio Member Join Date: Jun 2001 Location: Eugene, OR	Seems to me he asked about a first order.

13th April 2005, 04:10 PM	#5
Bill Fitzpatrick diyAudio Member Join Date: Jun 2001 Location: Eugene, OR	Here's a crossover calculator. http://ccs.exl.info/calc_cr.html Keep in mind that a first order nextwork is almost always insufficient.