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In Reply to: RE: Outdated BG Radia thread over AC for Satie posted by josh358 on December 29, 2016 at 06:07:15
I don't run the tweeter as low so i can't really do that readily. I only use the ribbons as supertweeters in the top octave.
I did do something sort of similar with a fuzzy throw when I was getting too much in the way of early reflections from the rack - I draped it (them since I cut it in two) behind the speakers and it improved image specificity solidity and saturation and moved the center image forwards. It also removed too much of the reverberant field. It also covered the mids IIRC.
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Actually, wouldn't the cardioid pattern require the back wave to be in phase with the front wave?
it will just reduce the level of the tweeter's back wave by half. At the sides, you'll get a partial rather than complete null. If the back wave is in phase with the front wave, the front and rear waves will add at the sides, and you'll get something like a lopsided omni. If you block the backwave entirely, you'll get another cardioid pattern -- nothing to the rear, full output to the front and sides. This is the radiation pattern of a conventional monopole speaker with a point or line source driver above the baffle step.
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