2 way, front ported, stand mount, HELP

nordhaven · 7th March 2008, 11:48 PM

I'm gonna build a pair of two way stand mounters with front porting. I got the components picked out that I would like to use.

I have been playing around with WinISD and have the box and port basics down. I have the wood working skills, the money and the time. BUT... I am completely lost when it comes to the crossover design!

These are the parts I would like to use.

http://www.partsexpress.com/pe/showd...number=295-374

http://www.partsexpress.com/pe/showd...number=264-835

I am pretty sure I don't want to build crossovers. At least not at this point. Is there a pre built crossover that work well with the parts and style speaker I mentioned? How do I go about finding a complementary crossover for this situation? Thanks for any help!

eastcoast · 8th March 2008, 12:08 AM

Your best bet is to invest in an active crossover for the time being, get a Rane 22, they are all over ebay at the moment. Building working passives is time consuming if you don't already knowyour points and slopes.

nordhaven · 8th March 2008, 01:06 AM

These are fairly popular DIY drivers. Shouldn't their crossover points be available on the web?

can an active crossover be hooked up externally?

Inductor · 8th March 2008, 09:43 AM

Quote:

Originally posted by nordhaven

I am pretty sure I don't want to build crossovers. At least not at this point. Is there a pre built crossover that work well with the parts and style speaker I mentioned? How do I go about finding a complementary crossover for this situation? Thanks for any help!

Look for a 4/3 Ohms (the one's from PE are all 8ohms) xover, crossing at about 1.800/2.000Hz and being it a 2.order(wo)/2.order(tw), with attenuation on the tweeter about 3/4 dB. You should be fine. Or ask someone to build you one/pair with the specs of the drivers in mind.

http://www.madisound.com/services/leap.php

peter_m · 8th March 2008, 01:33 PM

Best bet is to ditch the tweeter you chose and have someone else design the x-over.... oh wait looky here: http://htguide.com/forum/showthread.php4?t=13154

This uses a way way better tweeters and way way better x-over then any thing off the shelf. Specially for the RS-180 which is a metal cone. ALL metal cones have a large break-up. That is a frequency at which it tends to ring like a bell and that requires more x-over wizardry to keep it out of hearing range. Off the shelf x-overs are a no no for this type of driver.

You won't regret it!

7th March 2008, 11:48 PM	#1
nordhaven diyAudio Member Join Date: Jan 2008	2 way, front ported, stand mount, HELP I'm gonna build a pair of two way stand mounters with front porting. I got the components picked out that I would like to use. I have been playing around with WinISD and have the box and port basics down. I have the wood working skills, the money and the time. BUT... I am completely lost when it comes to the crossover design! These are the parts I would like to use. http://www.partsexpress.com/pe/showd...number=295-374 http://www.partsexpress.com/pe/showd...number=264-835 I am pretty sure I don't want to build crossovers. At least not at this point. Is there a pre built crossover that work well with the parts and style speaker I mentioned? How do I go about finding a complementary crossover for this situation? Thanks for any help!

8th March 2008, 12:08 AM	#2
eastcoast diyAudio Member Join Date: Mar 2005 Location: Eastcoast	Crossover Your best bet is to invest in an active crossover for the time being, get a Rane 22, they are all over ebay at the moment. Building working passives is time consuming if you don't already knowyour points and slopes.

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8th March 2008, 01:06 AM	#3
nordhaven diyAudio Member Join Date: Jan 2008	These are fairly popular DIY drivers. Shouldn't their crossover points be available on the web? can an active crossover be hooked up externally?

8th March 2008, 01:33 PM	#5
peter_m diyAudio Member Join Date: May 2007	Best bet is to ditch the tweeter you chose and have someone else design the x-over.... oh wait looky here: http://htguide.com/forum/showthread.php4?t=13154 This uses a way way better tweeters and way way better x-over then any thing off the shelf. Specially for the RS-180 which is a metal cone. ALL metal cones have a large break-up. That is a frequency at which it tends to ring like a bell and that requires more x-over wizardry to keep it out of hearing range. Off the shelf x-overs are a no no for this type of driver. You won't regret it!

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