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Old 27th June 2010, 03:25 AM   #101
Pano is online now Pano  United States
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Waveguides and horns
For those of you wanting 200Hz or lower horns - what do you plan to drive them with? What CD can really play clean that low?
A 250Hz horn is pretty much the practical lower limit. At least for hi-fi.
I'd go for something like that or up to 500Hz. 1.4" throat.
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Old 27th June 2010, 12:16 PM   #102
dnewma04 is offline dnewma04  United States
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I'd be interested in the 300hz horn.
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Old 28th June 2010, 01:56 AM   #103
d to the g is offline d to the g  United States
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Quote:
Originally Posted by panomaniac View Post
For those of you wanting 200Hz or lower horns - what do you plan to drive them with? What CD can really play clean that low?
First off, I agree with you on this...

on the other hand.. GOTO and Cogent both make CD drivers in this range. I for one would love to see a modern horn with these for a no holds barred build.
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Old 28th June 2010, 07:53 PM   #104
krzys is offline krzys  Canada
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Waveguides and horns
If I could arrange some delivery or even the local pick-up with Dshambala, (I live in Montreal), I would be in for a JMLC 350 horn with a 1.4" throat. I hope that horns come with a predrilled flange.
As I understand one thing is the order for Iawata horns but there is also the cost of shipping and we need to fill at least a palette to get reasonable shipping cost.
Chris
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Old 28th June 2010, 08:18 PM   #105
jzagaja is offline jzagaja  Poland
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Waveguides and horns
Flange can be predrilled, hole at least 1mm wider than screw - you need fine tune center position. GLS (General Logistic System) can send via air a box 50x50x100cm for about $150/5kg, this is an option for Iwata and JMLC-350 but we have to sign agreement with them, otherwise a pallet and freight. Bad news - Autotech is busy with automotive parts and an August is holiday time so real deadline for new horns is September.
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Old 28th June 2010, 08:37 PM   #106
jzagaja is offline jzagaja  Poland
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Waveguides and horns
New 15" OSWG horn concept for PA, 130dB, 1.4" coax drivers, coverage 50deg. It has much chance to be fabricated soon.
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File Type: gif OSWG50.gif (52.3 KB, 1101 views)
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Old 29th June 2010, 02:48 AM   #107
dshambala is offline dshambala  United States
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Hi krzys,

That sounds fine. We can work out details perhaps when time comes closer.

Cheers,
dshambala
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Old 29th June 2010, 04:09 AM   #108
tinitus is offline tinitus  Europe
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Waveguides and horns
its not to be negative, but depth of your drawing may give a wrong picture of the shape
makes it look more like a long throw horn than OS

anyway
I thought that 15" was supposed to be at the inner circle of the mouth rounding, to make it a 15" waveguide
well, this probably just shows that I know nothing about it
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Old 30th June 2010, 04:16 PM   #109
MikeR is offline MikeR  United States
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Count me back in for a pair of the Iwata 300/2 inch horns.

Sorry to waffle back and forth. I think I can make the size work and the price may be too good to pass up.

USA, Michigan.
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Old 30th June 2010, 04:39 PM   #110
dnewma04 is offline dnewma04  United States
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Where are you in MI, Mike? I'm also in MI, perhaps we can combine our shipments and save on shipping?
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