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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: RE: Should I get my Tympani I-Ds rebuilt? posted by Boulder Bob on September 7, 2016 at 18:42:30:
QR stands for "quasi ribbon." The earlier Magnepan models used round wire aluminum voice coils. With the .7 models, Magnepan changed from round wire to a flat ribbon and those are called quasi-ribbon drivers -- "quasi" ribbon because the ribbon is still on the Mylar backing rather than hanging free between two magnets as in a true ribbon driver. The flat conductors cover more of the diaphragm area and sounds a bit better than the round wire did. Some guys here have replaced round wire with flat when rebuilding their old Maggies -- Magnepan will sell you the parts. However, results aren't guaranteed -- when you depart from the original as you could be changing compliance, impedance might not be quite the same, etc. So it's something of an experiment.
Edits: 02/27/17
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- RE: Should I get my Tympani I-Ds rebuilt? - josh358 09:08:54 02/27/17 (0)
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