Oh, I didn't realise it was a quiz!
It's not
but if I could get access to the magnet then I would know the answer to my question That implies you know what it is so why the hell are you asking?
I can tell you one thing though: It has a whizzer cone and therefore is the work of the devil.
ok, let me explain: someone's offering me a pair of speakers (to buy), it seems to be a transmission line, the port is on the bottom - it seems to be a DIY build from Sweden. It is located about 100km from me. I am wondering if it is worth the efforts
Well ... it might be Philips 9710 in ferrite magnet version - here is a link to compare picture: FS: 2 pairs of Philips 9710 full range , or this - Vintage Philips full range 21cm AD9710/M8 stereo pair very good condition | eBay ... by the way the pattern you see there on the cone is most likely from sun light + a screen (the colour is gone from UV exposure).
Other than that I don't know of any other full range speaker with a full cone (concave center, the cone is one piece, not cut at the juncture with coil former)
Other than that I don't know of any other full range speaker with a full cone (concave center, the cone is one piece, not cut at the juncture with coil former)
That looks a very good match, so the twin cone drivers may be worth a bob or two!
A legitimate seller is unlikely to object to unscrewing one from the baffle and photographing its rear.
Could the spots be a Planet10 type cone treatment?
At that price you should buy them if both units are OK... and get rid of the tweeters when listening to them.
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