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In Reply to: RE: Beyma sm115/k as sub posted by djk on June 07, 2017 at 15:59:17
According to what I've read it's not the best driver for horn loading. Is a "tapped horn" différent in its requirements?
A tapped horn in not actually horn-loaded in the bottom octave, it's a sort of tapered transmission line.
It looks (in sims) to be a very good choice for a driver like yours for high efficiency deep bass.
An EV driver similar to yours.
This is a corner install, could even be behind a wall, in a closet, etc.
With no EQ, basically ±2.5dB 20hz~80hz.
I agree with this notion. That driver would kikbuti in a tapped horn.
Am I reading this right: 27 cubic feet ?
I will have to admit, a "tapped horn" is something I simply can not grasp.
In the few actual cabinet designs I have seen, there is an exit right next to the driver. I just don't "get it".
"Am I reading this right: 27 cubic feet ?"
Yes, that's why I have installed large loudspeakers in another room, behind walls, etc (there is no such thing as a free lunch).
"I will have to admit, a "tapped horn" is something I simply can not grasp."
Back when I lived in Florida, I had two 17.5 cubic foot enclosures, each with DUAL 15's. 35 cubic foot total. That bass was almost as good as what I have now (Infinite baffle, 500 cubic feet).
My experience tells me there's no way around it. If you want SUPERB bass quality, be prepared for a very large amount of air behind a lot of cone area.
These current HT type subs pale in comparison, as far as sound quality for 2ch audio, but I suppose they are just fine for foot-stomps and explosions.
Given the choice between commercial HT subs, I'd rather do what KandK does with a legitimate woofer system using professional drivers.
I have four Big Danley tapped horn subs. Three of them are 3/4 of an arry of 4 butted together in a Chicago Imax theater.
Great bass below 60 hz. is expensive. I spent half my system budget on subs and room EQ. It's flat at my sweet spot from 20-200 Hz. and it sounds good.
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