Building plans for Horn enclosures

[TentilEight]

Does anyone know where I can acquire some plans
for building my own horn enclosures? Preferably free

 

[frederic]

Does anyone know where I can acquire some plans
for building my own horn enclosures? Preferably free

I *had* links for both folded bass horns as well as HF horns, all free, all on the net. I found them searching google for "folded horn plans", and got a few hits.

Sorry I can't give you the links, the LAN monkey at work formatted my PC yesterday because it wouldn't print.

*sigh*

 

[TentilEight]

Thanks Frederic!

Wow! I didn't know there was so much to choosing
a horn design.

I am actually trying to add some horns to a set of 15" JBL
speakers I have for my PA. They get plenty of low end
but I need to build something for the hi's and midrange.
I assumed I needed some horns to do this. After looking at the
website I noticed that the PA speakers are the 'cinema' type
loudspeaker. They just don't have much in the way of midrange
and hi end.

Do you have any recommendations on what type of
folded horn to build?

I am just a basic wood worker so I was looking for a simple
plan. Thanks for the tip I did find alot of stuff on the net
related to 'folding horns'.

After looking

 

[frederic]

Well, folded horns is not my specialty. I attempted to build a pair of "Arial" speakers which are an awesome example of folded bass horn design.

Can I ask why you are "hot" on the folded horn design? The folded horn generally solves a potential phasing problem, more noticably at high decibles.

Remember that sound, regardless of frequency, travels at the same speed. Bass sounds, because the wave forms are larger, can easily be out of phase with the high-end thus creating dips and peaks in the combined air waves. Folded horns are designed in such a way as to try to cause the bass to have to travel internally a calculated distance before it exits the speaker, hopefully in phase with the highs.

Easy to do with bass because it goes anywhere and everywhere, much like a plastic bag full of water dropped on the floor

Depending on the frequencies you are missing, you might be able to compensate with something as simple as a 3/4" box with a slew of piezo tweeters mounted on the front panel.

Do you know exactly what frequencies you are missing?

BTW, I typed a long post last night in response to this message, got the confirm, but it never showed up. I'll quietly blame MicroSquish Internet Exploder

Also, woodworking is not my specialty - I always use my bosstich pneumatic stapler to make birdhouses <G>

Thanks Frederic!

Wow! I didn't know there was so much to choosing
a horn design.

I am actually trying to add some horns to a set of 15" JBL
speakers I have for my PA. They get plenty of low end
but I need to build something for the hi's and midrange.
I assumed I needed some horns to do this. After looking at the
website I noticed that the PA speakers are the 'cinema' type
loudspeaker. They just don't have much in the way of midrange
and hi end.

Do you have any recommendations on what type of
folded horn to build?

I am just a basic wood worker so I was looking for a simple
plan. Thanks for the tip I did find alot of stuff on the net
related to 'folding horns'.

After looking

 

[Tim Brown]

Thanks Frederic!

Wow! I didn't know there was so much to choosing
a horn design.

I am actually trying to add some horns to a set of 15" JBL
speakers I have for my PA. They get plenty of low end
but I need to build something for the hi's and midrange.
I assumed I needed some horns to do this. After looking at the
website I noticed that the PA speakers are the 'cinema' type
loudspeaker. They just don't have much in the way of midrange
and hi end.

Mind if I ask a question?

Why in the hell would you want horns?

Front loaded will yield a much lower range and better response at close to medium range.

Unless you're playing outside, or the local 10,000 seat arena, you don't need your speakers in a Folded Horn.
Most Folded horns won't go below 50 Hz.
To get way down there, you have to have a horn the size of a refrigerator (I'm not kidding...I used to be part owner in a live sound company, and we had a pair of boxes that were so big-we had to take the freaking garage door out of the track to get them out of the shop! I got rid of those things to the first fool that was interested in them , and he got my blessing with them! That was a lesson well learned.)

If you just need some HIGHS to go with that, take a look here:

http://www.partsexpress.com

They have speakers, Horn drivers, and horn lenses.... including JBL....take a look at Selenium stuff here..I've got some, and it's pretty damned good gear!
Also, request a print catalog from them.


Tim