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Sent from Samsung tablet"L. Hunter Kevil" <[log in to unmask]> wrote:Pace Don Cox, electrostatic speakers, by Quad or any other manufacturer, are definitely NOT infinite baffle designs. They are planar speakers, completely different from the conventional cone and voice-coil drivers used in box speakers. Magneplanar speakers, while not electrostatics, are well known American-made planars. Planars don't even look anything like infinite baffles. L. H. Kevil On Thu, Feb 7, 2013 at 1:56 PM, Don Cox <[log in to unmask]> wrote: > On 07/02/2013, Tom Fine wrote: > > > Here's another one -- "How To Build Speaker Enclosures" circa 1966 (as > > old as me), by Alexis Badmaieff and Don Davis. > > http://dl.dropbox.com/u/55748706/How_to_Build_Speaker_Enclosures.pdf > > > > And, for some more modern considerations, Altec's engineering notes on > > using Thiele-Small Parameters. T-S is the basis for all or most modern > > speakers, since first published in the early 70s. > > http://dl.dropbox.com/u/55748706/Altec-using_T-S_parameters.pdf > > > Most but not all. Quad's electrostatic speakers are infinite baffle > designs, and are of very high quality (and price). > > Regards > -- > Don Cox > [log in to unmask] >