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I thought I would post about a fantastic vintage speaker I've just brought home so that the information and photos will exist on internet. Right now there is only scattered mention about this obscure piece of high fidelity history that Paul Klipsch once referred to as a "major breakthrough" in speaker design. Presenting the deMars SC300 speaker system circa 1954. It features a very finely constructed, heavy corner cabinet with a removable grille, four Bozak tweeters and one highly modified Bozak alnico woofer with a massive cone. Let the photos tell the story and feel free to discuss/ask any questions...
Edits: 08/23/15 08/23/15 08/23/15 08/23/15 08/23/15 08/23/15 08/23/15 08/23/15Follow Ups:
Wow!!!
What a find!
Thank you!!!
"Ad Astra Per Alia Porci", - To the stars on the wings of a pig: John Steinbeck
...do a search if you're interested. I'd like it to find a good home with someone who appreciates it's historical significance. I simply don't have the room in my small place to hang onto it.
In the '50's this would mean you could feel the cone moving when presented with a 17 hz signal.
That thing could not possibly produce any useful output at 17 hz I am willing to bet.
Certainly an interesting novelty if nothing else.
See the attached literature. Apparently deMars demonstrated this phenomenon in public.
That's so rare and cool that I'll easily forgive the usual marketing hype.
I think you should track down that dishonest marketer and give him a stern talking to. ... After you dig him up, that is!
Dave
I get that this is or can be a "corner speaker". What I'm missing is calling it a "corner HORN" speaker....
All I see are dynamic drivers.
Is this a horn and if so, how?
(not being rude, trying to make sense out of the title verses what I'm seeing)
per the info its called that. Does that mean there is no attachment at the outer edge? It looks that way.
E
T
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.
Where did you ever find it? Hell, don't worry about finding another, just use it as the beginning of the most bodacious mono system ever!
...I may end up selling this thing. I don't really have the space for it in my place, unfortunately.
If you decide to sell it please send me an email through the asylum.
Wow that is a pretty wild speaker.
Is there any chance of finding a second one?
I haven't read the specs yet, I assume the cone is a relatively light weight Styrofoam?
Infamous sockpuppet
nt
all the best,
mrh
Wow, possibly! That's great. I'll be you're right.
Yes, it looks like the original Bozak cone is seamlessly extended with some kind of lightweight foam. Good luck finding another one! Given the fact that these, as far as I can tell, are the first photos to ever surface on the web, I would guess that this one is pretty hard to find.
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