High and low pass on seperate boards... why?

fazman · 14th February 2006, 11:36 PM

Could someone explain the benefits to me why you would keep the low pass seperate and far away from the high pass on a passive crossover if you are not biwiring?
What are the disadvantages to having one board sharing the same negative ground path to the speakers?
Thanks

BWRX · 15th February 2006, 12:38 AM

If the high and low pass sections use inductors then keeping them far apart and properly oriented (so their magnetic fields cross at a 90 degree angle) will reduce the interaction between the inductors. Ideally you want every component to have it's own separate path to a single ground point. That's often complicated if not impossible to do for some things so we make compromises. Just depends on how much you can or are willing to compromise.

boydon_lepasci · 15th February 2006, 02:23 AM

It could also be the result of the enclosure design. Some crossovers just won't fit in the box all on the same board.

14th February 2006, 11:36 PM	#1
fazman diyAudio Member Join Date: May 2005 Location: Windsor Ontario	High and low pass on seperate boards... why? Could someone explain the benefits to me why you would keep the low pass seperate and far away from the high pass on a passive crossover if you are not biwiring? What are the disadvantages to having one board sharing the same negative ground path to the speakers? Thanks

15th February 2006, 12:38 AM	#2
BWRX diyAudio Moderator Emeritus Join Date: Jan 2005 Location: Pennsylvania	If the high and low pass sections use inductors then keeping them far apart and properly oriented (so their magnetic fields cross at a 90 degree angle) will reduce the interaction between the inductors. Ideally you want every component to have it's own separate path to a single ground point. That's often complicated if not impossible to do for some things so we make compromises. Just depends on how much you can or are willing to compromise. __________________ Brian

Thread Tools	Search this Thread
Show Printable Version Email this Page	Search this Thread: Advanced Search

Similar Threads
Thread	Thread Starter	Forum	Replies	Last Post
FS: Conrad Heatsinks;.... 'PASS' B1 boards w/JFETS;...... F4 AMP & PSU boards	cowboy99	Swap Meet	5	25th August 2009 02:39 AM
DIY Low Pass and Mid/High Pass (Bass Blocking) Filters	runslikealpaca	Everything Else	1	19th June 2009 10:59 PM
Pass Aleph 1.7 boards, Zhaolu 2.5A, P700 VRDS, UGS PS boards, dac chips	analog_sa	Swap Meet	4	14th March 2009 05:29 PM
FT: Pass boards for P101 boards	bjefferys	Swap Meet	1	26th March 2006 07:39 PM
high gain 2nd order high pass active filter topology	sreten	Solid State	21	23rd March 2006 01:26 AM

New To Site?	Need Help?
Register to Participate Search Privacy Statement Contact Us	Frequently Asked Questions Did you forget your password? Mark Forums Read


	Please consider donating to help us continue to serve you. Ads on/off / Custom Title / More PMs / More album space / Advanced printing & mass image saving

15th February 2006, 02:23 AM	#3
boydon_lepasci diyAudio Member Join Date: Apr 2005 Location: Salt Lake	It could also be the result of the enclosure design. Some crossovers just won't fit in the box all on the same board.