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Hi Ziggy - good to see you over here!For those of you who want to play, now is the time. Parts express has some buyout exciters for $5 a pair, that's right, five bucks for 2! Won't kill you to get a few. Ziggy is using the 5mm Gatorbaord, which I think is is called 3/16th in the US. It's not cheap, but probably a lot better than foamcore. I was wondering if using a standard 48x96" panel cut in 1/2 might be OK? Not as wide as Ziggy's 28" panel, but close.
The Dayton version is rated at 6 watts rms, but the cheaper one is rated at 10 wrms. The 3/4" dimension relates to front-to-back depth; both are said to have 1" voice coils in the text.Since these apparently rely on their own apparently small mass to push the diaphragm to which they're adhered, wouldn't it make sense and increase the efficiency to use some sort of strut down the back like the podium: http://www.6moons.com/audioreviews/podium2/model05.htmland eliminate (cut off) the spiral plastic legs for less moving mass and better bass response?I'd be curious to hear how it would sound to make horizontal cuts across the diaphragm to create 7 independent panels in very close proximity, so they would couple acoustically in the bass range and yet not be affected by the vibrations of adjacent transducers.
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