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Thanks Kurt--More Thoughts About Open Baffle Imaging

Hi Kurt,

I'd like to continue our discussion, if you have the time. I feel bad about hijacking this thread, so if you have an idea of where this would be more appropriate, I'd be glad to move there.

"I have to say, however, that my thinking about OB has changed somewhat, now that I've tried a clone of Linkwitz's PLUTO speakers. As good as the OB sound of the TB bamboo drivers is in terms of soundstage and imaging, which is about as good as what I've gotten from all the FR drivers I've tried, it is no match to the sound of the PLUTO-clone speakers in those respects. Even my wife, who is not an audiophile, said that she preferred the PLUTO-clone speakers to the TangBand OB speakers (both were put in the same locations and used the same subwoofer to add bass), because she could clearly tell where the instruments were playing when listening to the PLUTO-clone, while the TB OB speakers did not give such a clear picture."

I find this very interesting, and have been puzzling over it. Particularly because Seigfried Linkwitz gushed over the improvement in his Orions when he added a rear-firing tweeter, changing them from conventional front-radiating to dipole in the treble.

One thought--how close to you have your speakers to the walls? SL talks about the necessity of having the speakers at least 3' away, so that reflections are delayed enough that the brain processes them as ambience, and not smeared imaging.

If your speakers are close to the walls, that might explain why you find a front-radiating speaker to have better imaging than an open baffle. I'm guessing they are not that close, and I'll have to ponder more. That's not a bad thing.

I'll also be curious to learn your comparisioin of the Fostex with the TB. I'm thinking that treble peak on the TB might be a resonance, which pushes me towards the Fostexes, since I can always boost treble another way.

Thanks, and have fun,

George


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