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In Reply to: RE: Tracktrix Horn Upgrades posted by Paully on July 19, 2016 at 14:12:44
Large round horns are immediately addicting, right ?
Well, I suppose a person will only answer "yes" if that's the sound he is after. To support 500Hz, a tractrix horn has to have a flare rate much lower. Bare in mind, the large round wooden horns you heard, are SB 140Hz flares. Granted, they are capable of much lower operation, but he loves those JBL drivers. You would need a minimum of a 340Hz flare. And then there's the crossover question. Next, what do you use below said horn ?
Horns sound their very, very, best when used with other horns. The beauty of your current Altec 19's is that all the fundamentals are being reproduced by the large Altec cone driver, and the harmonics and over tones by the horn with it's obvious characteristic of controlled directivity.
There are many paths to audio nirvana, but each path has it's own set of design challenges. Paul, it was so nice to have you visit us, in our East Tennessee region. There are many more systems to audition. Please don't be a stranger !
Follow Ups:
Scott, thank you for having me over. I absolutely loved your system. When I actually get ready to buy a set of horns in next few months I will make sure to check with you and Lawrence and verify that everything is good for what I intend.
I picked up one JBL driver and have another in the works. As far as below the horn, the plan is to use my Altec Model 19 woofers to start. They are connected to an outboard crossover, so it is extremely easy to hook them up to an amp and back to an active crossover. That's the plan at the moment.
Of course I don't cross them over that low..
"For every complex problem there is an answer that is clear, simple, and wrong" H. L. Mencken
I bought two active crossovers that have the ability to just flip the crossover point, so if 500hz doesn't work it isn't too hard to do something else.
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