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In the Forum: Horn-Loaded Speakers
In the Thread: Electro-Voice T350, T35, + Fostex tweeters.
Post Subject: Re: Non-preposterous idea....Posted by Greg B on: 8/7/2005

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I tried for at least a year to get some Aurum Cantus G3 ribbons to work in my high efficiency system, and never could. I tried everything.  I finally concluded that ribbon drivers do not work with HE systems. A $6 motorola piezo horn with some damar on the diaphragm and plastic horn damped with asphalt blew them away. The ribbons are fine at 'normal' low efficiency levels, very detailed, but with a coloration that is similar to a ribbon microphone. Perhaps the resistance of the fixed L pad damps ringing in the step up transformer.

So... you may want to experiment with modded piezo drivers. The motorolas have been discontinued, but some may still be out there. The direct radiator one works nicely as a supertweeter as well. I had always meant to try foiling them as 'dragan' does, but never tried. Also, there's a new $25 seas aluminum dome (H1212?) that may be worth an experiment. Specs and waterfall look very good, and I'm a little curious that it may be good cheap and musical.  I hate soft domes, and IMO the linaeum is horrid.


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