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Horn-Loaded Speakers
Topic: An example

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Posted by Romy the Cat on 02-12-2006

I constantly contacted by the visitor of my site and some people that I know me in my none-internet life inquiring me who could build horns. Ironically, despite the simplicity of the task, if a person has a clear idea what he is willing to accomplish I his horn then s/he has is insultingly limited number of masters who could accommodate custom requirements and to build the horns at the demanding level of quality. Most of the horn makers try to make the cookie-cuter horns, unfortunately not the best cookie-cuter horns…. What is more unpleasant is that when a customer has some specific requirements that do not comply with the manufacturers cookie-cuter visions then the manufacturers begin to load on the customers all imaginable BS, deception and lying trying to convince the customer that the customer own vision should not be even considered.

So, who cold build the real tailored horns? Please post names, contact information or if you are a horn builder then please direct advertise here. If this thread gets some useful listing then I intend to map the thread at the site “Knowledge Tree”

Rgs,
Romy the caT


Posted by Romy the Cat on 11-11-2006
There is a German company “Stereo Lab” somewhere in… Germany, that makes tractrix horns. I do not know if they do custom horns or sell the precut prodacts. I do not know also the materials and the throats that they can accommodate. However, they looks like la egitimate horn maker the therefore they deserve to be in this list.

http://www.stereo-lab.de/tractrix.html

The Cat

Posted by Romy the Cat on 11-11-2006

There is a US company “Acoustic Horn Company” somewhere in ... , that makes, as I understand, only metal conical horns.  The company, owner Bill Woods presents his motto as “Horns based on the quality and lost engineering of the past”. I always thought that “engineering of past” is a bogus marketing phrase as “engineering of today” or “engineering of future”. As far as I concern there is the only one correct engineering – the one that delivers a demanded result...

Nevertheless, the purpose of this thread is not to overview the horn makers but to innumerate their availability. Therefore Bill Woods’ “Acoustic Horn Company” is welcome to the list.

http://www.acoustichorn.com/

The Cat


Posted by Romy the Cat on 11-12-2006

Martinelli Sound is US based hornmaker. It offers small HF and MF rectangular but semi-nicely rounded horns, hoverer, as I understand they are opened for custom solutions as well. I did not see Martinelli Sound’s making a big splash among horn enthusiasts but the “big splash” usually comes from large and “compromise-effective” horn installations but not from glorified boxes with complimentary horns.  I hope Martinelli Sound find a right customer who will be wiling to pay for more serious horns. Perhaps it will be you…

http://www.woodhorn.com/

The Cat

Posted by angeloitacare-idiot on 11-12-2006

there is also

http://www.kbrooksaudio.net/custom.html

http://www.hornfabrik-eder.de/

angelo


Posted by Gregm on 11-13-2006
There's B D at http://www.bd-design.nl/

Also a chap who claimed to have molds for 150 & 200 tractrix and posted to that effect at the Asylum.

There's also a Belgian called Phil Mundi here: http://users.pandora.be/philmundi/index.html 
Don't know much more about him.

Cheers

Posted by Romy the Cat on 11-13-2006
 Gregm wrote:
There's also a Belgian called Phil Mundi here: http://users.pandora.be/philmundi/index.html 
Don't know much more about him.

Yes, I would like to learn about him as well because he has stolen my website banner, the one that I designed. I was not able to contact him as there is no email address listed on his web site. I have running for a year a service that redirect to any visitor from Belgium to the following page:

(page is remooved)

but so far with no result. What Phil Mundi does is a direct violation of my copyright statement.

http://www.goodsoundclub.com/Copyright.aspx

If anyone is close to this guy, please, ask him to cease using my graphic.

Rgs,
The caT

Posted by Gregm on 11-13-2006
Admittedly, I just noticed.
As Sherlock Holmes would have said: before your mentioning it, "I saw but did not observe"!

Posted by angeloitacare-idiot on 11-13-2006
 horns of concrete :


http://www.musique-concrete.com/Fmat.htm

angelo

Posted by jessie.dazzle on 11-18-2006
Since I speak French, and since I deal with plagiarism everyday, and since NOTHING pisses me off more, I phoned Phil Mundi to ask him about the unothorized use of your artwork on his site, and if this act was representative of the level of fidelity one could expect of his products.

It took him a while to get his mind around the fact that i am simply a person who reads this forum, and not the webmaster of the site.

Anyway, he of course denied knowing of your site, and of course suggested that he was the originator of the art work.

He could not understand my interest in calling his attention to this unotherized use of material, asking why I should care.

I explained that it was indicative of questionable ethics, and that I am likely not the only one reaching this conclusion. All this seemed to irritate him, as he made clear that he had no intention of changing the artwork.

At this point I confirmed that I was wasting my time (as he quite incorrectly suggested I was also wasting his).

Lest I waste the time of anyone else, I will stop here saying only that it is not unrealistic to assume that one could likely expect the same level of fidelity in a product made by this ass.

Monsieur Mundi, souhaitez-vous vous expliquer ?

jd*

Posted by phil mundi on 11-18-2006
Bonjour à tous, la banière a été enlevée du site, milles excuses pour ces désagréments.

http://users.pandora.be/philmundi/index.html
http://users.pandora.be/philmundi/vend/vend.htm    Vintage old & new

Posted by Romy the Cat on 11-18-2006

 jessie.dazzle wrote:
Since I speak French, and since I deal with plagiarism everyday, and since NOTHING pisses me off more, I phoned Phil Mundi to ask him about the unothorized use of your artwork on his site, and if this act was representative of the level of fidelity one could expect of his products.

It took him a while to get his mind around the fact that i am simply a person who reads this forum, and not the webmaster of the site.

Anyway, he of course denied knowing of your site, and of course suggested that he was the originator of the art work.

He could not understand my interest in calling his attention to this unotherized use of material, asking why I should care.

I explained that it was indicative of questionable ethics, and that I am likely not the only one reaching this conclusion. All this seemed to irritate him, as he made clear that he had no intention of changing the artwork.

At this point I confirmed that I was wasting my time (as he quite incorrectly suggested I was also wasting his).

Lest I waste the time of anyone else, I will stop here saying only that it is not unrealistic to assume that one could likely expect the same level of fidelity in a product made by this ass.

Monsieur Mundi, souhaitez-vous vous expliquer ?

jd*

Jessie, take for taking your time to do it. It was amassing that Phil Mundi insisted that he was the originator of the art work. Anyhow, I gave a call to him and although he did not speak English well, your Jessie call made the conversation understandable for him. It looks like he promised to remove the banners and do not use it. Yes, it is not a comitial site but it is not only about ego. I am not a painter and I did spend quite substantial amount efforts to crated and to implement that banner, mimicking the center image after the Dallin’s “Appeal to the Great Spirit”

http://www.goodsoundclub.com/TreeItem.aspx?PostID=77

Anyhow, I apologies for taken the thread out of subject. It looks like the case is closed and I took the redirection for the Belgium  visitors to the Phil’s “fame” page. Let us return to the horn-makers.

Jessie, thanks again,
Romy the Cat

Posted by Dominic on 11-20-2006
It'd be a pity if it weren't amicably resolved in the end, as he does do nice work.

 It might be good to mention Michael Christ
 here: http://www.michaelchrist.com/

and there are two outfits that seem to sell primarily through ebay

"bentwood" and "woodhorns" if i remember correctly.

Posted by angeloitacare-idiot on 12-03-2006
hi all

in germany started a new company selling wood tractrix horn speakers :

here the link :

http://www.cessaro-horn-acoustics.com/

angelo

Posted by Romy the Cat on 12-04-2006

Very interesting company and their GAMMA model looks very promising.

http://www.cessaro-horn-acoustics.com/gamma.html

It is essentially the very same Macondo idea - as I told when you go for 4-5 ways horn loaded installation then there are not a lot of room for variation and the design pretty much flows from what it is. It would be very interesting the listen the thing. The sound of the GAMMA will largely depends from the quality of the drivers they use and the ways in witch everything is implemented. Few things I noted - they position the MF channel above the HF channel.  This is very interesting because it informs about their crossover points.  Another thing is angling of lower MF horn. I wonder if it is a fix angle as the sharpness of the angle will vary with the listening distance, otherwise some changes in crossover will be required - I might be too complicated for an average customer at the filed to figure out the exact delay time…

Anyhow, this Cessaro Horn Acoustics “at glance” looks very interesting and very promising… If someone at east coast gets the largest Cessaro inhalation I would defiantly go to listen…

The caT

Posted by Antonio J. on 12-04-2006

Maybe it has some interest but:

- Backloaded bass horns
- 2" midrange driver with Beryllium membrane
- 1" tweeter with Beryllium membrane
- 0.5" super-tweeter "a la beryllium"

sounds quite worrying to me.

Nothing is said about the upperbass channel driver, nor the crossovers. Just 108dB/w/m of sensivity, that's the most interesting point.

No price point mentioned, just to "aware" they mention the 2" berillium midrange driver costs 2000 euros/unit. Kind of marketing BS.

Maybe worth an audition if you live close to them, but I wouldn't be travelling to Germany. Would you? ;-)


Posted by Romy the Cat on 12-04-2006
.... available bass horns are the same to me and I customary discard them. I also care less about the price: I am talking about an interesting horn design but not about an interesting product to buy. The beryllium cones - yes I do not like them in TAD but it might not mean anything in other drivers, as I told: it all depends the drivers were used. Regardless how much they might cost but I feel that the direction that those guys went is very fretful….

The caT

Posted by Antonio J. on 12-04-2006
This makes a lot more of sense to me. I understood you wrongly and I believed that the product "as is" and a priori can be interesting as a whole. I think that the design is interesting for the horn implementation, the horn themselves (look quite solid and well built, I suppose they're shaped to match drivers characteristics) and the fact of being a five ways system. But all that can't sound any good if the drivers are crap. I'm not very faithful on berillium drivers. It also would be interesting to know what frequency range are covering midrange driver, tweeter and supertweeter. What's your guess looking at the horns disposition?

Regards.

Posted by angeloitacare-idiot on 12-05-2006
romy

just a additional information. the prices for the cessaro horns are :

Alpha I 33.320 EUR
Beta I 78.540
Gamma I 114.240 EUR

angelo

Posted by angeloitacare-idiot on 12-08-2006
these are quit different horns :

http://www.realhorns.de/


angelo

Posted by yoshi on 12-31-2006
I happened to came across this site.

http://homepage2.nifty.com/nonaka-sekizaiten/kurinuki%20horn.html

The guy's real business is making grave stones. Unfortunately, it's all in Japanese and the prices are not cheap ($1500~3000). He has all necessary machines and skill to create pretty much anything and willing to take any custom production. The material of most of his products are marble and brass for adapyors and untra short horns.

If anybody is interested, I can help the communucation. Jst e-mail me at sakurastms@aol.com

Yoshi

Posted by Dominic on 12-31-2006
Seems like a versatile option.
If you click on the links on that page you'll see some really neat setups.
Definitely one for the list.

Posted by Romy the Cat on 01-11-2007
A new Greek company: http://www.sonusaeterna.com/speakers.html

Posted by Dominic on 01-17-2007
It may only be temporary but the sonusaeterna link appears to be broken. it only took them 4 days to go out of business Smile

Posted by Dominic on 02-06-2007
Rullit Audio one of those funny c-37 type chaps but he is excellent with his hands it seems.
He's done horns in both lathed and bent wood formats.
He has a store on ebay and a gallery at Webshots.
 http://stores.ebay.com/Rullit-Audio-Ultra-Fi-and-Vintage
 http://community.webshots.com/user/highfilter

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