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ARCHIVED FORUM -- April 2007 to March 2012
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This is the first Archived Forum which was active between 17th April 2007 and
1st March February 2012
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As far as I know, the Thiele parameters for the midrangedrivers are not known (except to B&O). So finding replacements is not easy. I will post a picture of mine later on. I would suggest to replace the rotten foamsurrounds with new ones. It is very easy to do yourself, and it is cheap. I did several Penta's myself, and all functioned fine after
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The schematic actually shows them in parallel. I believe they are 8 Ohm units, but I'm not sure about that
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I don't know about re-manufactered midrange-units. In The Netherlands, the midrange-units can be had new from B&O and cost €32,- a piece (price of last month), that's about 45 US Dollars. The replacemnt of the foam surrounds is fairly easy to do and rather cheap. I now refoamed 4 Penta's myself (so 16 drivers in all). Materialcosts
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I'm going out on a limb here as a new forum member. I own 4 passive Penta's now. When I bought my first pair (second-hand) I was impreesed by the sound they produce. They've got a big soundstage and sound huge. But after longer listening I found them to be lacking in transparancy and timbre. After finding the specs of these speakers, iI