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General Asylum General audio topics that don't fit into specific categories. |
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In Reply to: RE: Does anyone remember these great old Chicago-based stereo stores from the 70s? posted by Brian Walsh on February 17, 2010 at 20:16:07:
I don't know, last i heard he was in Mexico managing some big hotel.
He sounded good,up beat like normal but from what i understood he and his wife had separated.
That was a very sad time, my Dad got Cancer, the shuttle had blown up and much of Intersonics NASA R&D work was put on hold (along with the funding).
I thought i might be able to invent our way out of the disaster we faced and put much time into making those speakers into a demonstrable item.
The boss took on a "consultant" who thought the speaker div was the only salvageable part and then talked him (and me as well as others)into giving it to him to run.
The original founder had promised if i got a speaker division going, i could spin it off, like he did Intersonics from Interand, bummer.
The consultant took on some investors and then did some things that seemed strange at the time, that being the tip of the iceberg and eventually he left with the remaining money and went back to South Africa.
Anyway, the speaker design worked, one set i had made were flat from 40Hz to 22KHz that i had at a speaker BBQ on the "bass list" in the 90's.
The down side was there are no off the shelf parts, it required skill to assemble a driver and needed some additional R&D on materials which the consultant figured we didn't have time or need for.
The whole thing left a bad taste in my mouth so my next venture into loudspeakers i figured now i am free to use conventional drivers (which i wasn't at intersonics)i would work on my favorite curiosity, horns and use more or less conventional off the shelf drivers.
Few designers seemed to care about where the sound went or even be aware that what they did effected it and this was clearly a strong part of ineligibility.
That lead to the Unity horns about 14 years ago, leading up to the Synergy horns now, which can reproduce a square wave over a decade wide bandwidth and has no lobes or nulls in it's pattern.
I have been fiddling with that style of driver (salon door) again lately (technically it is a rotary driver, each radiator being pivoted at one edge) although smaller than the "Focused field" speaker you recall (and not that may people remember those btw).
I do have a number of other transducer designs from the old days but one must be willing to take on much more effort to make drivers from scratch as you can well imagine.
Are you still in the area?
Best,
Tom Danley
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Follow Ups
- RE: Does anyone remember these great old Chicago-based stereo stores from the 70s? - tomservo 06:47:18 02/18/10 (1)
- RE: Does anyone remember these great old Chicago-based stereo stores from the 70s? - Brian Walsh 09:41:35 02/18/10 (0)
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