I would like some recommendations from experienced Horn/waveguid/compressiondriver users. I have a 400Hz Tractrix horn today, with B&C DE25-8 driver. i would like some more dispersion and natural highfrequences.
I have been looking at the polish AutoTech horns, there is many types, OSWG, LeClearch variations, Iwata variations. I am confused whitch is best for me.
Can you, tell me what are the advantages and disadvantages of each type.
Have some one heard these types of horns, and how do they sound?
I know it is a lot to ask for, but a short answer will be appreciated a lot. Thanks!
It is a lot to ask for. Really, you just need to take the time to read the threads discussing these horn types, one post won't cover it, and it's not reasonable to expect someone to spend hours pulling this together for you. From my perspective, the OSWG/constant directivity design school is where it's at.
 TAD Compression Drivers
High Frequency Driver?TAD
 Yuichi’s Audio Lab
Yuichi's Audio Lab.
The B&C DE35 tweeters should work fine for you.
I hoped someone could give som listening experinces on some of the horn types, maybe someone had the chance to try several horns, maybe with the same driver
The 'horns' you listed have, as a group, little in common and all are designed for totally different objectives.
I can only comment on my plywood conicals that I had JBL2435Be's on VS the Cube Audio (also from Poland) 600Hz horn (Tractrix).
I had evolved the 21mm birch plywood conical with a rounded mouth termination that improved things over the straight ended.
The cube audio horn is small - I run it from 1.25KHz and up and it fitted physically into my 5 way stack better. It also sounded slightly more dynamic and natural.
I have tried my Vitavox S2 on the 600Hz horn also. I need the pair (my other S2 is in for service) to properly develop and evaluate.
So that is a very little bit. Getting the right sized horns for the freq is first rule.
Tractrix vs Le cleach. Well in a 5 way (4 upper horns in a stack) Le cleach on all but the smallest horn is out of the question... Unless you have palace high ceilings and can sit a very long way away.
My take on it is that Le Cleach horns can run wider frequency ranges so you could try to do a 3 way or 4 way with more success than with say tractrix. If running a 3 way / 4 way or 5 way is the best I won't discuss here. Depends on horns, drivers etc etc etc.
Me I have a 5 way...
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