file Armadillo, tapped horn

13 years 10 months ago #8589 by bitzo
Armadillo, tapped horn was created by bitzo
Hi all,
B&C 18TBX100 loaded, Scale 1px=1mm. Opinion ? Thought?

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13 years 10 months ago #8590 by bee
Replied by bee on topic Armadillo, tapped horn
with the driver firing in to the horn, just a question but would this not cause phase issues........... looks like an interesting design.

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13 years 10 months ago #8591 by bitzo
Replied by bitzo on topic Armadillo, tapped horn
yes, just like every tapped horn I think. But....I don't know what does it means, may be phasing cancellation at certain distance?
and...how can I calculate this distance?

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13 years 10 months ago #8592 by bee
Replied by bee on topic Armadillo, tapped horn
i think the equation is volume of rear chamber vs length of horn vs freq....... not sure though.

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13 years 10 months ago #8593 by bee
Replied by bee on topic Armadillo, tapped horn
it may be worth knocking one up out of mdf and taking some real time plots. looks interesting.

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13 years 10 months ago #8596 by bitzo
Replied by bitzo on topic Armadillo, tapped horn
smiley2

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13 years 10 months ago #8663 by staiper
Replied by staiper on topic Armadillo, tapped horn
looks interesting smiley1

This one will balance on blurry border between TH and scoop (due to a bit larger rear chamber than usualy found on tapped horns).
On tapped horns pnase issues will not be problem (ofcourse within their usable bandwidth - which is wider than with scoops) .. thanks to all tapped horn design theory and sound physics. smiley33

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13 years 10 months ago #8668 by bitzo
Replied by bitzo on topic Armadillo, tapped horn
much obliged Stipe! So...how could we obtain the usable frequencies? Just seeing the spl graph or other calc...

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13 years 10 months ago #8672 by staiper
Replied by staiper on topic Armadillo, tapped horn

bitzo wrote: much obliged Stipe! So...how could we obtain the usable frequencies? Just seeing the spl graph or other calc...


There is no some "rule" ... In fact most comercial companies define "usable range" in their brochures by graphs (or freq. measurements) while on same time real world usable range is defined by listening because it is irelevant if for example bass horn can reproduce up to 180Hz flat at freqency responce measurements while in same time it start honking at 110Hz like crazee.

So it is common situation - usable range 35-200Hz .. but factory recommended crossover setings are HPF 35Hz , LPF 90Hz :mrgreen:

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13 years 10 months ago #8674 by bee
Replied by bee on topic Armadillo, tapped horn
cheers staiper that makes things clearer, for me too.

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