Sony Speakers in Local CL
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Wigwam Jones
Caesar non supra grammati
http://www.audiokarma.org/forums/showpost.php?p=2170391&postcount=25
I don't know anything about these speakers personally, but I've heard good things about them. I've also heard that when they need to be refoamed, you've got problems.
However, I saw these online...
http://matelectronics.com/prestashop/en/41-speaker-accessories?p=2
I asked on AK if they would work for the Sony folk who need square surrounds, but no one ever answered me as I recall.
So bottom line, I dunno. I'd buy a pair if I had the chance, probably, just to see what the fuss is about. I'm not otherwise inclined to buy Sony speakers, but the square drivers look kind of cool.
Coastsider
Curmudgeon
Those look to be one of the less desirable of the APM line, one of the APM-xxx models. The one and two digit models had much better drivers, especially the woofers which in the TOL speakers had four separate voice coils each of which was connected to a corner of the square "cone". Some like the APM-77's are very desirable and rarely available although the issue of replacement surrounds is a big problem even if they can be found.
I have a pair of APM-22's which are two way speakers kind of at the low end of the high end of APM's. Their woofers only have one VC but utilize a frame connected to the VC that is connected to the back of the radiating surface at four points. Because of a design issue with the woofer, Sony crossed over to the tweeter at a lower point than reason would dictate causing the square tweeters to get fried at an alarming rate and making it difficult to find a pair with working tweeters unless it is a later variant with a conventional cone tweeter.
They certainly are a novelty at any rate.
I have a pair of APM-22's which are two way speakers kind of at the low end of the high end of APM's. Their woofers only have one VC but utilize a frame connected to the VC that is connected to the back of the radiating surface at four points. Because of a design issue with the woofer, Sony crossed over to the tweeter at a lower point than reason would dictate causing the square tweeters to get fried at an alarming rate and making it difficult to find a pair with working tweeters unless it is a later variant with a conventional cone tweeter.
They certainly are a novelty at any rate.
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beotek
Active Member
These speakers used cloth surrounds.
Wigwam Jones
Caesar non supra grammati
That seems odd, given that people were complaining the surrounds were rotting and looking for replacements. But hey, whatever. I don't own them. I just saw the surrounds, said "hey would these work for you guys?" and didn't get an answer. Not my problem, I tried to help.
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beotek
Active Member
It's good to have folks like you here on the boards who are always helpful. I would have thought the same too if I had never owned a set myself!
vintageboy
Chicago HiFi
The ones on the picture look like APM-615
Wigwam Jones
Caesar non supra grammati
They look like it to me. Cut them out and away you go.
http://matelectronics.com/prestashop/en/speaker-accessories/462-npcsq-10.html
But in any case, it's not really my problem. I never understand why sometimes when people say they want water, you bring them water, then they complain there is no slice of lemon floating in it. OK, fine get your own F'ing water.
btw, the reason the cheap later APM got rubberized cloth surrounds and some of the TOTL ones got thin foam is probably that the conventional motor and sub-cone of the cheap ones wouldn't be able to hold itself centered without a stiff surround, whereas the TOTL versions with special motors don't even need the surround for alignment.
