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-   -   Spawn Olson/Nagaoka Horns the Next Generation (http://www.diyaudio.com/forums/full-range/205729-spawn-olson-nagaoka-horns-next-generation.html)

planet10 1st February 2012 05:10 AM

Spawn Olson/Nagaoka Horns the Next Generation
 
1 Attachment(s)
No not yet, but really close...

Thr 3 optimized horns for the Fostex FE126En, FE166En, and FE206En have been approved as drawn. I have a bit more tidying to do before official release.

They could have been called Saburo v2, Hiro v2, and Sachiko v2, but that is a bit boring. They will be known as Kongō, Haruna, and Kirishima.

Here is a preview of Kongō. As can be seen differences from what preceeded are only in the details.

http://www.diyaudio.com/forums/attac...1&d=1328076612

dave

blakkshepeaudio 1st February 2012 05:14 AM

Welcome new guys!

jimbro 1st February 2012 01:38 PM

Not to be greedy but are there any plans for a half-Kirishima?

Scottmoose 1st February 2012 02:35 PM

I'm afraid not. You can't just saw one of these boxes in half; it would require a new design. Since there are already several designs for the 206 with a single terminus, I've no plans to do one at the moment.

doubtingthomas 2nd February 2012 09:38 AM

Never mind smaller, how about bigger? Am I right in thinking that horns, broadly speaking sound better the bigger they get? Hence the Kleinhorns and such. How about a design that used the length of sheet material as a limiting factor, so 8ft/2440mm.

skeeter99 2nd February 2012 03:36 PM

Awesome!! Are there any plans for double mouth front exit horns for the bigger MA drivers? I thought I remember there being one for the A12 before but I could be mistaken.

Scott

chrisb 2nd February 2012 04:40 PM

Quote:

Originally Posted by doubtingthomas (Post 2888254)
Never mind smaller, how about bigger? Am I right in thinking that horns, broadly speaking sound better the bigger they get? Hence the Kleinhorns and such. How about a design that used the length of sheet material as a limiting factor, so 8ft/2440mm.

Broadly speaking, yes - up to a point, but don't ever forget the room as the biggest variable in the equation. Just cause you could shoehorn something as large as a pair of Kleinhorns in a space doesn't mean everyone would appreciate how they'd sound.

I heard this system at VSAC2008 http://www.enjoythemusic.com/vsac_2008/36.jpg .



in a very long executive suite, playing vintage Jimi at "realistic" ( very loud ) levels, on an evening when there happened to be a thunder and lightning storm going on - obviously very memorable. These were one of the hits of the show, but simply too over the top for me - maybe this perspective gives a clue as to the potential WAF

If you count, you'll see 4 front loaded horns, and a big-a$$ sub woofer

http://www.6moons.com/industryfeatur...xperience1.jpg


clearly these boys, or Nelson, laughed at the constraints of 4x8' materials or real world domestic considerations

chrisb 2nd February 2012 04:45 PM

Quote:

Originally Posted by skeeter99 (Post 2888660)
Awesome!! Are there any plans for double mouth front exit horns for the bigger MA drivers? I thought I remember there being one for the A12 before but I could be mistaken.

Scott


yes, there were, but the revision to drivers required redesign of enclosures, and Scott got busy with other things

Scottmoose 2nd February 2012 05:32 PM

Quote:

Originally Posted by doubtingthomas (Post 2888254)
Never mind smaller, how about bigger? Am I right in thinking that horns, broadly speaking sound better the bigger they get? Hence the Kleinhorns and such. How about a design that used the length of sheet material as a limiting factor, so 8ft/2440mm.

Sort of. Depends what is meant by 'better.' When it comes to horns, more is more: for a given tuning frequency, the larger the cabinet, the less compromised the horn expansion is likely to be, assuming it's well designed and efficiently uses the internal space available. However they're also general DIY designs, so they need to have at least a chance of domestic acceptability for a reasonable number of people, and they're already at the top-end of that in size-terms.

Quote:

Awesome!! Are there any plans for double mouth front exit horns for the bigger MA drivers? I thought I remember there being one for the A12 before but I could be mistaken.
Thanks. We did some initial designs, and a couple were prototyped, but a lot more work would need to be done, partly to refine the boxes, and partly because all the drivers have changed. Maybe in the second half of this year. Possibly.

chrisb 2nd February 2012 05:36 PM

Quote:

Originally Posted by chrisb (Post 2888776)
and Scott got busy with other things


Crazy as it sounds, I think it's called life outside of audio?


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