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In the Forum: Horn-Loaded Speakers
In the Thread: Tweeter for Vitavox S2. High-sensitively ribbons?
Post Subject: .... "strong, clean and in character"Posted by Romy the Cat on: 10/24/2006

Vitavox S2 does OK up to 12.5K ("strong, clean and in character") on it’s center but I never use this driver pointed directly to me but rather at good 20 degree off. (I hardly can tolerate any compression driver point directly to me). At my angle the S2 in my 400Hz horn is well attenuated, more civilized and behaves more or less appropriately. In my listening position S2 does approximately 10K but the numbers are kind of meaningless in there as the HF “transient feel” is still there. In fact juts with S2 and no tweeter is it VERY much listenable, I do not know how to explain it though. Any tweeter, of any topology that I’ve used, if I set it to 10-11K made everything too bright. Or better I would not say “too bright” but rather “too unnecessary” as it screw with the “S2’s transient phantom presents”. I feel that in the world of HF it is not exactly about measurements (at least to me) but rather to dial-in the exact necessary amount of HF’s touch – juts a very-very slight inflection atop and it is it. The S2 is not Altec and not JBL and it does not need “help with HF” but rather “a complement of HF”. I do not know now other people but when I try to add HF to S2 driver I always have problems with the fact that I drive a tweeter at so low level that it is become not effective at all. In any case, it is relay hard to describe it as it need to be heard to understand how it works. When I turn volume control on my dedicated separate Milq that drives now tweeters and when I set this volume at the level when I feel it is “enough” then my RTA shows many-many db down at 12K (and my instrumental microphone is well calibrated). I never had a tweeter that I would be able to listen at -3dB at 12K. Anyhow, I hope ribbons would help me to fix this tendency…. if it need to be fixed…

Rgs,
Romy the caT

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