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In the Forum: Horn-Loaded Speakers
In the Thread: Eventually - a reasonable midbass horn from GOTO
Post Subject: It’s already something much more illustrative.Posted by Romy the Cat on: 2/15/2008
 be wrote:
I shold make it clearer:
The Goto was used in a Goto 150Hz horn, crossed at 180Hz.
I guess that is a proper implementation for Goto.
The Fane was in a 140Hz tractrix horn with a 10cm throat and a not optimised (to large ) back chamber, and no crossover downwards.
That is not optimal, but it still sounded better at the lower range.
Thanks, for the clarification, Be.
 
If so, then it is very interesting result. The 150Hz Goto horn and 140Hz Tractrix horn are pretty much the same horns. The 10Hz advantage of Tractrix is easily offset by quantitative advantage of Goto parabolic profile. We presume that the Goto 505 driver was “properly” used in own Goto horn, although I doubt as I do not trust to Goto system design experience. From another side we have Fane in something that I would call “too large throat horn” with obviously insufficient horn equalization. Still, you feel that Fane sounded prevailing; I would predict opposite result. Very interesting. (I presume that both horn we used in the same room location). I actually would like to listen something like this and to be presented at the field where the evaluation takes palace. Juts to insure that the experiment was methodologically clean and the horn’s phases were not confused, or the impedance loading was the same, or anything like this… Anyhow, if everything was done methodologically kosher then the result you are reporting is already something. Bad for Goto.

Rgs, the caT

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