Ot: xovers

 

Silver Member
Username: Gcs8

Atlanta, Ga

Post Number: 340
Registered: Sep-09
any one build them or could help me build a couple?
 

Platinum Member
Username: Glasswolf

Columbia, SC USA

Post Number: 12717
Registered: Dec-03
I do, I could, and you can find most of everything you need for how to build them on http://www.the12volt.com
There is extensive data there on crossovers. first through 3rd order, zobel, etc.
 

Silver Member
Username: Gcs8

Atlanta, Ga

Post Number: 341
Registered: Sep-09
need to make a x over for this set
http://www.parts-express.com/pe/showdetl.cfm?Partnumber=295-480

http://www.parts-express.com/pe/showdetl.cfm?Partnumber=280-020

http://www.parts-express.com/pe/showdetl.cfm?Partnumber=272-302
 

Platinum Member
Username: Rovin

1 15 = 152.5 DBs ...Trinidad & T...

Post Number: 16125
Registered: Jul-05
why not buy a suitable commercially available 3way passive crossover ? ...
 

Platinum Member
Username: Glasswolf

Columbia, SC USA

Post Number: 12727
Registered: Dec-03
dead links
 

Silver Member
Username: Gcs8

Atlanta, Ga

Post Number: 342
Registered: Sep-09
links work fine.
 

Platinum Member
Username: Glasswolf

Columbia, SC USA

Post Number: 12732
Registered: Dec-03
remove the www.jdoqocy.com. stuff and link directly the parts express and they might work.
otherwise I get server connect errors.
 

Silver Member
Username: Gcs8

Atlanta, Ga

Post Number: 343
Registered: Sep-09
i dident put that in there and i also done see that redirect.
 

Silver Member
Username: Gcs8

Atlanta, Ga

Post Number: 344
Registered: Sep-09
http://www.parts-express.com/pe/showdetl.cfm?Partnumber=295-480

http://www.parts-express.com/pe/showdetl.cfm?Partnumber=280-020

http://www.parts-express.com/pe/showdetl.cfm?Partnumber=272-302

post it agane just in case, but i dident add that in so eather its the E screwing with us or it whent getto

http://www.parts-express.com/pe/showdetl.cfm?Partnumber=295-480

http://www.parts-express.com/pe/showdetl.cfm?Partnumber=280-020

http://www.parts-express.com/pe/showdetl.cfm?Partnumber=272-302
 

Silver Member
Username: Gcs8

Atlanta, Ga

Post Number: 345
Registered: Sep-09
yep the E is now adding crap to our links, don't accuse me of doing retarded things.
 

Platinum Member
Username: Glasswolf

Columbia, SC USA

Post Number: 12736
Registered: Dec-03
thanks I'll try those in the morning.
 

Gold Member
Username: The_image_dynamic

San Diego, California

Post Number: 5678
Registered: Dec-06

quote:

yep the E is now adding crap to our links, don't accuse me of doing retarded things.




Ok, we won't accuse you of doing retarded things -- we will just accuse you of being the dumbest motherfucker ever, due to your spelling and grammar.

Glad we got that out of the way... Carry on.
 

Gold Member
Username: Wolf_hound

Phoenix, AZ

Post Number: 1162
Registered: Sep-05
lol
 

Platinum Member
Username: Glasswolf

Columbia, SC USA

Post Number: 12742
Registered: Dec-03
If you re-read my posts, I didn't actually accuse you of adding the garbage in the links. I just suggested that you remove it and post direct links.
Thank you for doing so.

Have you considered running a fully active system with an amplifier channel per driver, and then using a signal processor to tune alignment, time delay, phase, crossover points, slope, and cut/boost?

Doing all passive is rather messy, and doing so, you introduce a lot of issues with phase shift introduced by the passive filters. You'll already have your hands full with alignment of the drivers in a 3-way system, fiberglassing pods for all of the speakers to get them to sound right. 3-way systems take a LOT of work to make them sound good.

You're also going to need a parametric or 1/3 octave EQ for the front stage, to shape the sound curve that results from powering the raw drivers.
 

Silver Member
Username: Gcs8

Atlanta, Ga

Post Number: 346
Registered: Sep-09
i am trying to make more of a book shelf speaker out of all this.
 

Platinum Member
Username: Glasswolf

Columbia, SC USA

Post Number: 12749
Registered: Dec-03
ah. then stick to 1st or 2nd order filters. for a bedroom/office setting, a shallow rolloff between drivers will make for a very smooth sounding setup.
 

Silver Member
Username: Gcs8

Atlanta, Ga

Post Number: 347
Registered: Sep-09
well they said I need a 20-ohm 20-watt resistor to run the horn, should I use a 3.5 mH coil and a 2.2 uF cap or a 1.5 mH coil and a 1 uF cap? Which would sound best? What other components would I need to run the rest of the components? And do you have any experience with passive radiators?
 

Silver Member
Username: Gcs8

Atlanta, Ga

Post Number: 349
Registered: Sep-09
so this is what i came up with for the horn.

The big one should be 1.8k and the little one should be 4k. Both sound pretty good.


http://gcs8.serveftp.net/projects/DSCN0610.JPG

http://gcs8.serveftp.net/projects/DSCN0611.JPG


http://gcs8.serveftp.net/projects/DSCN0610.JPG

http://gcs8.serveftp.net/projects/DSCN0611.JPG
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