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Planar Speaker Asylum Welcome! Need support, you got it. Or share your ideas and experiences. |
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In Reply to: Difference Between Magnepan Ribbon Tweeters: Mg 20.7 vs 3.6 posted by nicoff on April 11, 2015 at 12:33:01:
You are correct the tweeters for the "3 series -- 3.3, 3.5, 3.6, 3.7 -- and for the 20 series are identical.
The tweeter for the IIIa came in two forms - one identical to the III with an impedance of 3.0 ohms and then as as a 2.2 ohm version. The ribbon for the IIIa requires a 60" slot and the current ribbon requires a 60.6" slot. I routed out the extra 0.6" in my IIIa's and am using the current tweeter. Initially Magnepan would not sell the "newer" ribbon for the IIIa because it didn't fit the frame but if you explain that you are modifying the frame then they are happy to accommodate.
"Our head is round in order to allow our thoughts to change direction." Francis Picabia
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Follow Ups
- RE: Difference Between Magnepan Ribbon Tweeters: Mg 20.7 vs 3.6 - neolith 18:46:39 04/11/15 (1)
- RE: Difference Between Magnepan Ribbon Tweeters: Mg 20.7 vs 3.6 - Roger Gustavsson 23:48:09 04/13/15 (0)
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