218 kick horn

Reality Sound
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11 years 8 months ago - 11 years 8 months ago #19693 by Reality Sound

Replied by Reality Sound on topic Re: 218 kick horn

like this?

Last edit: 11 years 8 months ago by Reality Sound.

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Dref
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11 years 8 months ago #19694 by Dref

Replied by Dref on topic Re: 218 kick horn

Man you are quick

I think it is easier to see from a real picture:

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Reality Sound
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11 years 8 months ago #19695 by Reality Sound

Replied by Reality Sound on topic Re: 218 kick horn

What would be the benefit of adding that? Better compression/throw?

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bee
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11 years 8 months ago - 11 years 8 months ago #19697 by bee

Replied by bee on topic Re: 218 kick horn

it would give even loading on the driver, not sure it needs to be so deep. this method works on a fair few designs...

www.elements-audio.com

www.facebook.com/pages/Element-Audio/187065531315529?ref=hl

Last edit: 11 years 8 months ago by bee.

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Reality Sound
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11 years 8 months ago #19698 by Reality Sound

Replied by Reality Sound on topic Re: 218 short bass horn

How noticeable is the difference etc. letterbox vs none?
I must say I am impressed with this cab I 'threw together' for sh1ts & giggles/experiment. Hitting some serious low notes considering how short the horn path is. :blush: Have to get the rta out. See whats going on.......

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Dref
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11 years 8 months ago #19699 by Dref

Replied by Dref on topic Re: 218 kick horn

I don't think it is worth the effort to modify it to get a letterbox throat. But keep the possibility in mind next time you build something.

Could you also do a sine sweep measurement?

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bee
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11 years 7 months ago #19700 by bee

Replied by bee on topic Re: 218 kick horn

the letter box will even the pressure on the cone, this will extend driver life, and give you more spl and a smoother sound, in theory.....

www.elements-audio.com

www.facebook.com/pages/Element-Audio/187065531315529?ref=hl

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Reality Sound
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11 years 7 months ago #19701 by Reality Sound

Replied by Reality Sound on topic Re: 218 kick horn

@ Dref- Sine sweep measurement? Yes,.....hopefully soon. If I can remember how, :whistle: .....lol.
@Bee- I can see that (makes sense) I suppose the way the drivers are right now, they would be exerting more pressure on themselves on one side of the driver than the other. Would that be the case in all the CV horns and the lab horn too though?

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Dref
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11 years 7 months ago #19702 by Dref

Replied by Dref on topic Re: 218 kick horn

Feel free to ask if you get in doubt.

Also, making it letterbox changes the horn from an offset driver horn to a standard front-loaded horn.

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Reality Sound
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11 years 7 months ago #19703 by Reality Sound

Replied by Reality Sound on topic Re: 218 short bass horn

Thanks Dref, I'll move this back over to the 'measuring subs' thread. Cheers.

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