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cv wrote:

But the real reason for my post is to ask: I was thinking about the results you reported and am really scratching my head as to why the FC S2 should sound honky, given that its acoustic geometry is completely unchanged. Any ideas as to why??

Yes, Chris, this is the question that I also ask myself and I have no explanation. The acoustic geometry was not changed, the crossover and response was not changed. What was the problem? I would in a way understand it if the S2 with electromagnet would give up more harmonics (primary second) then it might “overwhelm the crossover point”. (Now it is one octave from the horn rate but with “fatter” driver it might need to go further). However, the electromagnet gave up opposite result and I would characterize its sound as harmonically “thinner”. I really have no explanation of this phenomenon. Also, it would be worth to mention that honk generally more inclined to show up in mono horn installations then properly phase-alighted stereo installations. I do not know why but stereo does minimized honk. When I play with the field-coil I did run juts one channel. From another prospective my single channel with permanent magnet has no honk qualities and the same channel with permanent magnet has no honk as well. Go figure!

cv wrote:

I don't suppose the 330 horn was any different in this respect? It's the 4 sector vitavox right?

Yes, it was.

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