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Looking for a wood turner

208.98.182.143
Posted on November 23, 2014 at 00:28:44
Duke
Dealer

Posts: 4429
Location: Princeton, Texas
Joined: March 31, 2000
 I'm looking for a wood turner experienced in turning round wooden horns. Any and all leads welcome.

Thanks!

Duke
Me being a dealer makes you leery?? It gets worse... I'm a manufacturer too.

 

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RE: Looking for a wood turner, posted on November 23, 2014 at 05:01:43
amioutaline?
 "Southern Idaho" has to have a wood turners club or two and lots of turners make salad bowls.

Failing that, have a Woodcraft or Rockler in your area? There's usually a wood turner working in one of those.



 

On the Trader, posted on November 23, 2014 at 05:28:52
Mr_Steady
Audiophile

Posts: 2042
Location: North Florida
Joined: August 19, 2014
 What about this guy on the Asylum trader? He can do round horns.

Big speakers and little amps blew my mind!

 

RE: Looking for a wood turner, posted on November 23, 2014 at 08:13:16
DaveC113
Manufacturer

Posts: 9
Location: Front Range, CO
Joined: July 31, 2014
 I've been looking into this too, for prototypes I'd look into fiberglass as it's much less expensive but does have some coloration (that may be overcome). For wood the issue is it costs a small fortune and you can buy all the tools to do it yourself for the price of a 2 sets of larger (~20") horns. For now I have someone who will do it for me (they will NOT make horns for anyone else so no use saying who), but I plan on purchasing a dedicated bowl-turning lathe in the next year or so and doing it myself.

 

RE: Looking for a wood turner, posted on November 23, 2014 at 08:26:11
Kloss
 Why go back to the 1990s design? Big round bells are such a pain to integrate most systems with such focus on midbell the rest a afterthought.

 

RE: Looking for a wood turner, posted on November 23, 2014 at 09:43:17
Mr_Steady
Audiophile

Posts: 2042
Location: North Florida
Joined: August 19, 2014
 "Why go back to the 1990s design? Big round bells are such a pain to integrate most systems with such focus on midbell the rest a afterthought."

Then what do you suggest instead? Round horns are not good in the vertical, but they are near perfect in the horizontal.


Big speakers and little amps blew my mind!

 

RE: Looking for a wood turner, posted on November 23, 2014 at 13:42:56
Duke
Dealer

Posts: 4429
Location: Princeton, Texas
Joined: March 31, 2000
 There is a wood turner in northern Utah who's not too far away, but I was hoping for someone experienced in horns. If that doesn't materialize, then I'll give him a try.

Duke


Me being a dealer makes you leery?? It gets worse... I'm a manufacturer too.

 

RE: On the Trader, posted on November 23, 2014 at 13:45:00
Duke
Dealer

Posts: 4429
Location: Princeton, Texas
Joined: March 31, 2000
 Thank you. He's in Europe, so that's less convenient, but not impossible. If I strike out here I'll get in touch with him.

Duke


Me being a dealer makes you leery?? It gets worse... I'm a manufacturer too.

 

RE: Looking for a wood turner, posted on November 23, 2014 at 13:53:21
Duke
Dealer

Posts: 4429
Location: Princeton, Texas
Joined: March 31, 2000
 Not looking for anything approaching 20" horns; something more Zingali-ish. At some point might move into doing it myself but my days are pretty full already.

I hate working with fiberglass and would rather avoid that if possible.

Duke


Me being a dealer makes you leery?? It gets worse... I'm a manufacturer too.

 

RE: Looking for a wood turner, posted on November 23, 2014 at 13:59:17
Duke
Dealer

Posts: 4429
Location: Princeton, Texas
Joined: March 31, 2000
 My most-requested models used modest-sized round horns, and imo integration with the woofer was one of the strong points. And in my experience people are less likely to "listen with their eyes" if it's a round horn. Also with a profile like the oblate spheroid (perhaps with a minor modification to the mouth radius), I think we're post-90's in performance.

Duke




Me being a dealer makes you leery?? It gets worse... I'm a manufacturer too.

 

RE: Looking for a wood turner, posted on November 24, 2014 at 02:32:39
altecboy
Audiophile

Posts: 404
Location: Northern NJ
Joined: May 29, 2004
 Duke, Bill Grumbine can probably turn anything you need. He may not have turned horns, but he's as talented as they get.

http://wonderfulwood.com/

 

RE: Looking for a wood turner, posted on November 24, 2014 at 05:13:27
Joseph Crowe
Audiophile

Posts: 53
Location: Ontario
Joined: February 19, 2014



I can make you a set of wood horns if you like. See my blog posts to see if this is something that suits your needs. I can't change the size or horn flare since my cutting blade is CNC machined for the whole profile.

http://croweaudio.blogspot.ca/2014/06/oblate-spheroidal-horn-completed.html

 

RE: Looking for a wood turner, posted on November 24, 2014 at 05:32:28
amioutaline?
 Those round 'wave-guides' you used on the Jazz Modules made for a sound that I thought would've been "best at show" almost anywhere, not just LSAF, long ago.

Wayne Parhams new catenary horns, when I heard them in my system, with crossover changes to suit, finally trumped that. You might want to arrange to try a pair. The new horns, removal of the attenuation circuit cap and Duelund CAST resistor across the driver inputs is the sound both Moose and I agree is the best we've heard.




 

Other possible options, posted on November 24, 2014 at 06:26:12
Kloss
 Thought you were thinking big bell 32in. Have you tried Faital Pro or http://www.autotech.pl/pdf/audio_en.pdf or http://stereo-lab.de/1-inch-horn-cf-400Hz-Wave-Guide-Tractrix-Horn-lower-physical-cut-off-frequency-Made-in-Germany-from-Stereo-Lab

 

RE: Looking for a wood turner, posted on November 24, 2014 at 07:54:49
DaveC113
Manufacturer

Posts: 9
Location: Front Range, CO
Joined: July 31, 2014
 I looked up Zingali, very cool looking speakers! I'd love to hear them but I've never even seen them before. I'm sure whatever you come up with will sound amazing and I like the direction you're headed in. Wood horns look really good and that's very important! I need big diameter as I'm using a 4.5" driver, so it's more a waveguide but there is definitely some loading happening. It sounds good but it's possible a straight conical horn would work best in my application... I can test that out using one of those conical collars they put on injured dogs or something though. :) Final version will be wood, type of wood makes a difference...

 

RE: Looking for a wood turner, posted on November 25, 2014 at 00:21:03
djk
Manufacturer

Posts: 6135
Joined: June 17, 2000

Try Dave Haris, he made the kits that went into the bull-Nosed Horn I showed last month.

Any shape, any size are possible.

 

RE: Looking for a wood turner, posted on November 25, 2014 at 02:34:51
Mr_Steady
Audiophile

Posts: 2042
Location: North Florida
Joined: August 19, 2014



amioutaline?

I think the Pi H290C is one of the most advanced rectangular horns to date. It is the other option to a round horn.

I think what the horn world needs is two more H290Cs. One for 350hz and one for 500hz. I know Wayne would never want to produce those, and especially not with plastic moulds. The best I think could ever happen would be that Wayne okays a limited fiberglass run from Autotech. That would be awesome, and I would get both.

Jamie

Big speakers and little amps blew my mind!

 

RE: Looking for a wood turner, posted on November 25, 2014 at 05:13:47
Iain42
Reviewer

Posts: 895
Location: Arcansaw
Joined: February 10, 2004
 I have one of his circular tractrix horns and it is really nice.



High sensitivity, wide dynamic range, low distortion, and smooth frequency response. Pwk

http://www.itishifi.com

 

RE: Looking for a wood turner, posted on November 25, 2014 at 08:39:56
Rod M
Web Geek

Posts: 16242
Location: So. California
Joined: March 1, 1999
Contributor
  Since: March 1, 1999
 You might try eso. I believe he was doing Bruce Edgar's horns.

-Rod

 

RE: On the Trader, posted on November 25, 2014 at 10:40:26
rickmcinnis@dogwoodfabrics.com
Audiophile

Posts: 3040
Location: Atlanta
Joined: December 15, 2003
 Attila made some 100 hz horns for me that he was able to mail me.

To make them light enough for shipping they did require adding mass at the throat. For that I used a combination of BONDO and sand.

Price was good, quality was in proportion to the price. There was lots of work to do to get them finished which was fine with me.

Maybe in the time (over a year ago) since he has been able to improve aspects of his technique.

Good fellow.

 

RE: On the Trader, posted on November 25, 2014 at 17:32:32
Mr_Steady
Audiophile

Posts: 2042
Location: North Florida
Joined: August 19, 2014
 A 100hz horn? That I would like to see. Please post a picture and give us the particulars.

Jamie

Big speakers and little amps blew my mind!

 

RE: Looking for a wood turner, posted on November 26, 2014 at 04:34:35
genungo
 Are you planning on re-introducing the Jazz Modules? None of your current offerings use round horns like the Jazz Modules once did.

 

RE: Looking for a wood turner, posted on November 26, 2014 at 21:14:03
Duke
Dealer

Posts: 4429
Location: Princeton, Texas
Joined: March 31, 2000
 Visually I think the Jazz Modules were my most appealing design, so I'm hoping to head back in that direction.

Duke


Me being a dealer makes you leery?? It gets worse... I'm a manufacturer too.

 

RE: Other possible options, posted on November 26, 2014 at 21:17:27
Duke
Dealer

Posts: 4429
Location: Princeton, Texas
Joined: March 31, 2000
 I'm looking for a custom profile, something constant-directivity that would pattern-match with its woofer in the crossover region.

Duke

Me being a dealer makes you leery?? It gets worse... I'm a manufacturer too.

 

RE: Looking for a wood turner, posted on November 26, 2014 at 21:22:44
Duke
Dealer

Posts: 4429
Location: Princeton, Texas
Joined: March 31, 2000
 Very interesting.

Did you have the tool custom made to your specifications? That's what I figured I'd probably need to do - have a tool custom made, that would result in the profile I'm looking for. Which unfortunately would call for a larger round-over at the mouth than what your tool is made for.

Thanks!

Duke
Me being a dealer makes you leery?? It gets worse... I'm a manufacturer too.

 

RE: Looking for a wood turner, posted on November 26, 2014 at 21:26:56
Duke
Dealer

Posts: 4429
Location: Princeton, Texas
Joined: March 31, 2000
 Wow, that is really nice. That looks a lot more complicated than a round horn would be.

I will give Dave Harris a holler.

My speaker curiosity is piqued. What can you tell us about those two systems?

Where did you show them?

Thanks for sharing the name of your horn supplier with me - I really appreciate that.

Duke


Me being a dealer makes you leery?? It gets worse... I'm a manufacturer too.

 

RE: Looking for a wood turner, posted on November 26, 2014 at 21:28:53
Duke
Dealer

Posts: 4429
Location: Princeton, Texas
Joined: March 31, 2000
 Thank you Rod. Eso contacted me, and I just wrote back to him a few minutes ago.

Duke

Me being a dealer makes you leery?? It gets worse... I'm a manufacturer too.

 

RE: Looking for a wood turner, posted on November 26, 2014 at 21:35:05
Duke
Dealer

Posts: 4429
Location: Princeton, Texas
Joined: March 31, 2000
 I think people liked the aesthetic of the Jazz Modules, so yes I'm looking at going in that direction.

Duke


Me being a dealer makes you leery?? It gets worse... I'm a manufacturer too.

 

RE: Looking for a wood turner, posted on November 27, 2014 at 08:51:36
Joseph Crowe
Audiophile

Posts: 53
Location: Ontario
Joined: February 19, 2014
 Yes I had the blade made on a Cnc machine. I made the drawing of the blade. The blade profile was based on the formula for the oblate spheroidal curve. I wanted this horn flare because of the pattern control at extremely high frequencies. The profile doesn't load as well lower down in the frequency spectrum like an exponential horn but for me I wasn't going for efficiency. This horn provides a very broad coverage right up to the threshold of hearing, which provides a very wide soundstage. Room acoustics therefore impact the overall sound balance but provide a more live listening experience. I'm using the b&c de120 compression driver, what do you plan on using?

 

RE: Looking for a wood turner, posted on November 27, 2014 at 17:30:19
Duke
Dealer

Posts: 4429
Location: Princeton, Texas
Joined: March 31, 2000
 I'd be doing something based on the oblate spheroid, but with a wider radius mouth. Just a slightly different set of tradeoffs.

I'm now thinking that being close to my wood turner would be very helpful, so geography is starting to win out over experience. But that's a beautiful job you did!

Duke


Me being a dealer makes you leery?? It gets worse... I'm a manufacturer too.

 

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