Help which 10" woofer I chose or buy SB29nrx75-6 or Alcone AC10HE ???

[gaborbela]

Hello

I would like to ask any opinion from those people who used or heard these SB woofer in 3 way system or as a sub-woofer.
I want to use it in a 3 way system in a 75L BR enclosure.
AudioNL store
Another option I think about the Alcone AC 10 HE
Alcone AC 10 HE
These is the Visaton
Visaton - Lautsprecher und Zubehör, Loudspeakers and Accessories
Visaton produce some of my favorite drivers all do I never heard these driver
Any pro and contra welcome before I buy.
Thank you very much

Greetings Gabor

[Inductor]

Or VOLT B250.8 (???)

[bjorno]

Originally Posted by gaborbela

Hello

I would like to ask any opinion from those people who used or heard these SB woofer in 3 way system or as a sub-woofer.
I want to use it in a 3 way system in a 75L BR enclosure.
AudioNL store
Another option I think about the Alcone AC 10 HE
Alcone AC 10 HE
These is the Visaton
Visaton - Lautsprecher und Zubehör, Loudspeakers and Accessories
Visaton produce some of my favorite drivers all do I never heard these driver
Any pro and contra welcome before I buy.
Thank you very much

Greetings Gabor

Hi Gabor,

I would pick the Visaton driver at first hand for mains but not in a ported box as this driver is excellent in a closed box when Qtc=~0.5-0.6 and use the same driver in real subs (2 or more) where the extension below ~50 Hz can be fully be exploited when placed near walls/corners:
Pictures of modeled sub's :

b

[Inductor]

Originally Posted by bjorno

Hi Gabor,

I would pick the Visaton driver at first hand for mains but not in a ported box as this driver is excellent in a closed box when Qtc=~0.5-0.6 and use the same driver in real subs (2 or more) where the extension below ~50 Hz can be fully be exploited when placed near walls/corners:
Pictures of modeled sub's :

b

Hi,
bjorno, if I was you I would divide that figure of the Visaton "Excursion limit +/−14 mm" by 2 so that I would use it for the (comparison) simulations you have presented above. Usually is good to work/use T/S parameter Xmax so that it gives a good standard between different manufacturers (and we don't call them layers afterwards). I know some don't like standards... or make their own. As Î said I have some doubts about what that parameter is about. And not saying your sims are not "nice" or inacurate. Again, I would say Xmax=7 mm until somebody proves me the opposite. Thanks.
http://www.bcae1.com/speaker.htm

[bjorno]

Originally Posted by Inductor

Hi,
bjorno, if I was you I would divide that figure of the Visaton "Excursion limit +/−14 mm" by 2 so that I would use it for the (comparison) simulations you have presented above. Usually is good to work/use T/S parameter Xmax so that it gives a good standard between different manufacturers (and we don't call them layers afterwards). I know some don't like standards... or make their own. As Î said I have some doubts about what that parameter is about. And not saying your sims are not "nice" or inacurate. Again, I would say Xmax=7 mm until somebody proves me the opposite. Thanks.
Speaker

Hi Inductor

Good point, I really did a mistake and you are quite right.

I've earlier compared this driver with one of my favorite drivers and found it is very similar in performance ( quarter-wave enclosures) :The 7" Wavecor-SW178WA01 for which I used Xmax = (16-6)2=5 mm and for the Visaton (25-8)2= 8.5 mm but for an unknown reason I forgot to do use x-max= 8.5 mm in my new simulations.

The limit 14 mm is IMO good to use for 1 Hz safe excursions when no protective low end HPF is present.

I will post a new simulation using both 8.5 mm and 5 mm as reference later this evening.

Thank you again!

b

[bjorno]

Originally Posted by bjorno

...I will post a new simulation using .. 8.5 mm ..later this evening...

Done:

b