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In Reply to: RE: A very RARE speaker...deMars Styrocone corner horn with true 17Hz bass response! posted by Mr Blue Sky on August 23, 2015 at 15:47:50
per the info its called that. Does that mean there is no attachment at the outer edge? It looks that way.
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That is correct. I'm not sure why it works, but it does.
Must be dual spider to keep the VC from rubbing.
Probably the most famous free-edge speaker of all time is the Goodman's Axiom 80, designed by the legendary Ted Jordan. It's nine-inch cone was attached to its frame at three points along its circumference by twisted pairs of rubber bands Five or so years ago, there was talk about a Japanese redux, but I haven't heard anything since.
The Axiom 80 employed a whizzer cone, but no electrical crossover. Its extremely wide frequency response and hair-raising realism of reproduction was achieved at the expense of power handling, which was, to put it charitably, in short supply. In an attempt to overcome this limitation, Goodman's recommended using them in pairs and quartets, which got very expensive.
One of my earliest and most profound audio epiphanies, c. 1959, was hearing four Axiom 80s per channel flush mounted in a wall, augmented by an eighteen-inch Goodman's woofer that the home owner had installed in an adjacent stairwell. I'm pretty sure I soiled myself.
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