ideas for widebander?

brookbh · 6th November 2009, 09:44 PM

Any ideas of a suitable widebander for use on OB. So far the ones I have noted are the fostex 208 sigma, 10" or 12" audio nirvana cast frame, eminence beta 12lta. I was thinking a target of 95 db, and reasonable cost (under $500 a pair).

rjbond3rd · 7th November 2009, 03:10 AM

Visaton B200 and Wild Burro Audio Labs' Betsy are well within your budget. I'm assuming this is only one driver per baffle (no helper woofer)? If so, you'll want a driver with a high Qts (and the baffle will still have to be quite big). I'm listening to the B200 right now in 48"hx38"w.

The Fostex 208-Sigma is a great driver but the Qts is very low and you'd absolutely need a woofer. However, building with a woofer is actually a good idea and gives you a huge range of drivers to choose from (as long as the woofer is lots more efficient than the fullranger), according to: OB Theory

plasma1210 · 7th November 2009, 12:32 PM

Hi, the Ciare CH-250 (version MM+) is a very good driver for OB.

InclinedPlane · 7th November 2009, 10:05 PM

I've been itching to try something with a 10" pro audio driver like the Precision Devices neodymium 10" mid with a nice ribbon tweet and a couple high-Q 15s all in OB. The 10" is not exactly 'wideband, but would do 200-2k fine.

bassrogue · 8th November 2009, 03:17 AM

No O.B. but I am just finishing a pair of BLH for the Beta 12LTA. I like that driver more every day.

InclinedPlane · 8th November 2009, 12:07 PM

I'm interested in your impressions of that Eminence driver, good and bad. I like large paper fullrange drivers.

bassrogue · 8th November 2009, 03:54 PM

I didnt like the Beta 12 at first until I ran it for a few days and loosened the suspension. It needs a tweeter of 98-100 db crossed at around 8000hz and some polyfill stuffed between the whizzer and the main cone. It works very well in the recommended 4' vented box. This setup makes my 45 amp sound loud!

brookbh · 11th November 2009, 12:56 AM

Is there anything vintage, discontinued, etc.. to be on the look out for?

bassrogue · 11th November 2009, 03:55 AM

EV Sp12B

brookbh · 17th November 2009, 04:02 AM

Have you heard the EV speaker?

What tweeter are you using the the eminence beta lta?

6th November 2009, 09:44 PM	#1
brookbh diyAudio Member Join Date: Jan 2008	ideas for widebander? Any ideas of a suitable widebander for use on OB. So far the ones I have noted are the fostex 208 sigma, 10" or 12" audio nirvana cast frame, eminence beta 12lta. I was thinking a target of 95 db, and reasonable cost (under $500 a pair).

8th November 2009, 03:17 AM	#5
bassrogue diyAudio Member Join Date: Mar 2006 Location: Yelm, WA	No O.B. but I am just finishing a pair of BLH for the Beta 12LTA. I like that driver more every day. __________________ Just once I wish someone would call me "Sir" without adding, "you're making a scene"

8th November 2009, 03:54 PM	#7
bassrogue diyAudio Member Join Date: Mar 2006 Location: Yelm, WA	I didnt like the Beta 12 at first until I ran it for a few days and loosened the suspension. It needs a tweeter of 98-100 db crossed at around 8000hz and some polyfill stuffed between the whizzer and the main cone. It works very well in the recommended 4' vented box. This setup makes my 45 amp sound loud! __________________ Just once I wish someone would call me "Sir" without adding, "you're making a scene"

11th November 2009, 03:55 AM	#9
bassrogue diyAudio Member Join Date: Mar 2006 Location: Yelm, WA	EV Sp12B __________________ Just once I wish someone would call me "Sir" without adding, "you're making a scene"

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7th November 2009, 03:10 AM	#2
rjbond3rd diyAudio Member Join Date: Jan 2007	Visaton B200 and Wild Burro Audio Labs' Betsy are well within your budget. I'm assuming this is only one driver per baffle (no helper woofer)? If so, you'll want a driver with a high Qts (and the baffle will still have to be quite big). I'm listening to the B200 right now in 48"hx38"w. The Fostex 208-Sigma is a great driver but the Qts is very low and you'd absolutely need a woofer. However, building with a woofer is actually a good idea and gives you a huge range of drivers to choose from (as long as the woofer is lots more efficient than the fullranger), according to: OB Theory

7th November 2009, 12:32 PM	#3
plasma1210 diyAudio Member Join Date: Oct 2009	Hi, the Ciare CH-250 (version MM+) is a very good driver for OB.

7th November 2009, 10:05 PM	#4
InclinedPlane diyAudio Member Join Date: Jan 2007 Location: Maine	I've been itching to try something with a 10" pro audio driver like the Precision Devices neodymium 10" mid with a nice ribbon tweet and a couple high-Q 15s all in OB. The 10" is not exactly 'wideband, but would do 200-2k fine.

8th November 2009, 12:07 PM	#6
InclinedPlane diyAudio Member Join Date: Jan 2007 Location: Maine	I'm interested in your impressions of that Eminence driver, good and bad. I like large paper fullrange drivers.

11th November 2009, 12:56 AM	#8
brookbh diyAudio Member Join Date: Jan 2008	Is there anything vintage, discontinued, etc.. to be on the look out for?

17th November 2009, 04:02 AM	#10
brookbh diyAudio Member Join Date: Jan 2008	Have you heard the EV speaker? What tweeter are you using the the eminence beta lta?

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