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In Reply to: RE: Making Speakers Efficient/Non Effecient posted by AudioSoul on January 31, 2016 at 16:58:33
I suppose that "not so efficient" speakers exist for a very good reason: So that the use of horns might be avoided.You'll never read or hear a nursery rhyme that goes, "Little boy blue, come shake your panel; the sheep are in the meadows, the cows are in the canal." And that's partly because horns are the best way to make a speaker that is ultra-efficient, no doubt about it. But at what cost?
It is very hard to design a truly good horn, and it seems that even the best ones color the sound to some degree. Good horns are expensive. Full-range horn systems are relatively huge, often requiring a wide and long room in order to sound their best. Horns can be very ugly, very low "WAF" indeed.
Remove those horns and make gains in many important parameters, while losing electrical efficiency. This is the story of modern loudspeaker design, because there is no perfect way.
Edits: 02/02/16 02/02/16 02/02/16 02/02/16Follow Ups:
Disagree a bit and would point out that most modern dynamic designs use wave guide on tweeter these are horns with a different name Look at YGA and many others check out how dome tweeters are built today compare to older designs you will see the horn used to control directivity. Horns are plentiful affordable not hard to design science for horns is old and easily available. Sure if one looks only at the insane high-end horn market prices could seem off but many manufacturers offer quality horns for home use at sane prices that dont require massive spaces another myth about horns. You do realize much of today's recorded music was mastered on horns many of these in semi near-field setups. Sure the best in horns can get large and appearance is always a mater of taste this I agree with.
Edits: 02/02/16
I see many affordable/compact hybrid horn/direct-radiator designs but not not very many affordable/compact full-range horns. The size vs. efficiency thing becomes a problem in the bottom octaves, of course.
There are no commercial true bass horns. They would just be too large. The closest is the Klipsch but the corner ia combination of poor horn and wall reflection.
google can be your friend
Please name a few, A true bass horn that goes into the bottom octave is huge and commercially worse sized than say the Wilson Alexandria.
You make me smile -- a friend once wanted to build a bass horn into my attic, running the entire width (the long dimension) of my house. I should have let him. In his view, unfortunately never tested by me, a huge horn was the only way to "properly" reproduce bass.
Jeremy
Danley Turbosound Avantgarde Inlow KCS Klipsch proline GOTO ALE Function one Decware Startec Bill Fitzmaurice Cessaro Electron Luv Autotech Azura Living Voice ..........................
How would you characterize the Danley subs ?
The TH812 seems quite capable delivering 146 db output over its 28-150 hz response.
Offhand, I can think of only one but I'm pretty sure that there are at least a few others. And yes, this one is pretty darn huge...
Just for shits and giggles...
A wave guide is not a horn unless you have compression/expansion, then its a horn not a wave guide.
nt
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