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Old 10th April 2008, 12:09 PM   #11
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Funny!
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Old 10th April 2008, 06:16 PM   #12
GM is offline GM  United States
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Hmm, the number of bends doesn't affect a horn's gain BW, distortion, etc. per se, it's the quality of each bend and the mouth termination, i.e. the wider its BW the larger each bend and the mouth termination must be to minimize refraction/reflection through the bend(s) and friction loss over distance.

WRT the BIB and folded pipe/BL horns in general, their crude bends are pretty much the antithesis of what's required for maximizing HF gain BW, which usually is a plus in that it helps damp the unwanted BW that causes audible comb filtering with the driver's output.

For instance, this 1" throat exit compression driven horn has a ~10 kHz usable BW once EQ'd ~flat, Pretty impressive considering its size required to also load down to ~50 Hz.........:

GM
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Old 10th April 2008, 09:46 PM   #13
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Wow, that's a fascinating horn. Quite a bit more bendy than the BiB. I keep wondering what would be the BiB 2.0?

Or to put it another way, what would be the smallest additional tweak to the BiB that would yield the greatest improvement? Or is it already fully evolved, all things considered?
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Old 10th April 2008, 10:43 PM   #14
kaan is offline kaan  Denmark
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Quote:
Originally posted by rjbond3rd
Wow, that's a fascinating horn. Quite a bit more bendy than the BiB. I keep wondering what would be the BiB 2.0?

Or to put it another way, what would be the smallest additional tweak to the BiB that would yield the greatest improvement? Or is it already fully evolved, all things considered?
The smallest tweak with the greatest improvement?
Make it as visually pleaseing as possible.
I'm not kidding you, this will make an improvement to the way you experience the music.

As for 2.0 take a look at the frugal horns project.
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Old 10th April 2008, 10:54 PM   #15
GM is offline GM  United States
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Yeah, the pioneers of audio didn't mess around. You want 'bendy'? Check out their orchestra pit version.

Anyway, pipe horns are as basic as it gets and WRT ~fullrange driver apps nothing comes to mind that doesn't move it into some form of chambered BLH.

GM
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Old 10th April 2008, 11:16 PM   #16
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Horn shapes of the past...

http://www.sparkmuseum.com/HORNS.HTM
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Old 11th April 2008, 12:39 AM   #17
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Kaan and GM: Gotcha and thank you -- I guess there's nothing in between BiB and BLH.

Don Bunce: Beautiful.

GM: Wow, how does one turn metal into those bendy horns?! Are they cast metal, or hammered, or turned on a lathe? Thank you in advance!
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Old 11th April 2008, 12:43 AM   #18
GM is offline GM  United States
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Cool site, thanks! FWIW, the $12 1922 King Am-Pli-Tone would be ~$138 in 2007, so reasonably priced for a formed metal horn.

GM
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Old 11th April 2008, 12:58 AM   #19
GM is offline GM  United States
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The initial expansion is a flanged pipe that transitions to a welded up sheet metal construction bolted to high density wood construction final sections. Here's the two being cloned using the original metal HF sections:
http://www.audioanthology.com/building.htm
http://www.we13a.com/ (click on 'my works')

I imagine if you have to ask the delivered price you probably can't afford them.

GM
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Old 11th April 2008, 04:44 AM   #20
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Quote:
Originally posted by GM
The initial expansion is a flanged pipe that transitions to a welded up sheet metal construction bolted to high density wood construction final sections. Here's the two being cloned using the original metal HF sections:
http://www.audioanthology.com/building.htm
http://www.we13a.com/ (click on 'my works')

I imagine if you have to ask the delivered price you probably can't afford them.

GM
Thanks for putting up that club shot again.

Those horns are what keeps the hobby interesting.

That and whatever Bill Fitzmaurice is up to.
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