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8 ohms bass drivers. Cabs and crossovers. updated


Zoef

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Guys,

Would it be possible to use a 8 ohms bass driver in a La Scala, Klipschorn or Belle?

 

((EDIT: To be more specific.. we are only talking about 4 ohms vs 8 ohms.

I am awere about all the other parameters needed in a speaker design)

 

Also, can it be used with a Universal or (super)AA crossover?
Since it is only a 2.5mh inductor in the bass section i don't see a problem there. Am i wrong?

I know the Ap12 was designed to be a 6 ohms crossover with the 1 mh (Le) voicecoil of the k33 in series with the inductor. So a 8 Ohms driver would be a no go?

Br

Edited by Zoef
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Edit: Ok, to be more specific.. we are only talking about 4 ohms vs 8 ohms.

I am awere about all the other parameters needed in a speaker design.

Edited by Zoef
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Would it be possible to use a 8 ohms bass driver in a La Scala, Klipschorn or Belle?

 

EDIT: To be more specific.. we are only talking about 4 ohms vs 8 ohms. I am aware about all the other parameters needed in a speaker design)

 

Yes, it is possible to use an 8 Ohm woofer, but I don't think it would sound proper.  The stock K-33 woofer is 4 Ohm.

 

It will affect the bass sound, probably by having too much bass relative to the mid-bass.  I would think it would require a modification of the crossover network to sound the way it was designed.

+++

Also, can it be used with a Universal or (super) AA crossover?

 

 

What is "it?"  Are you asking if an 8 Ohm woofer can be used with a Universal crossover?

 

Klipsch makes the AA crossover.  Are you referring to the ALK  Universal crossover?  If so, I don't have any idea if it would sound good.  It would be best to ask the person who designed the crossover for his expert opinion.

Edited by wvu80
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Hi Zoef, thanks, that helps to clarify things.

 

If you have the actual Universal crossover from ALK you might want to ask him how an 8 Ohm woofer might work with his crossover.  Maybe it would take a simple resistor to make it work properly.

 

There are others here on the Klipsch forum with more technical knowledge than I have.  It is early in the day 8:30 am as I write this. 

 

Give them some time to wake up, log in and give you some better opinions than mine.  B)

Edited by wvu80
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I have all the schematics so i want to build my own crossovers. (alk universal or AA)

Don't know if alk wants to help me with this. can try.

i live in the netherlands... local time : 16:22

 

:-)

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Good luck with that. The crossover would have to be redesigned, and the overall impedance of the LS would be increased. IMO, you need an efficient 4 Ohm driver in that bassbin unless you want to throw a lot of money and effort into making this work.

 

If you are having trouble locating K-33 woofers, see if you can track down a pair of these:  http://www.eminence.com/pdf/Kappa_15C.pdf

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