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In Reply to: MMG OWNERS ,PREPARE TO BE AMAZED : APOGEE CALIPER CROSSOVER ADAPTED TO MMG posted by Jacques T on March 9, 2007 at 22:28:52:
Hey Jaques,Why don't you write up a step by step process for this with some picts, and have mart add it to the tweaks section?
That way, those wishing to "appogeefy" their maggies will know what to do.
Follow Ups:
Ho ,im sorry , i was thinking this forum was called Planar Speaker Asylum (in general), not Magnepan speaker asylum. By the way the top
of the line Magnepan speakers MG3.5 MG3.6 MG20 and MG20.1 used some kind of second order crossover for the tweeter section.
Maybe the bottom line MMG dont have the right to sound as good
as the others maggies ,they are only marketing tool ,after all.
(probably why their original crossover was downgraded to 1st order/1st order ,to let the place for the MG12 in the market).
End of line.
.
Please see in this link :
http://www.thomas-schick.com/Apogeed.htm
on the schematic :
the network (0.1 mH inductance ,10R and 8.06R resistors) are remplaced with a single 2.0R 12W resistor, the 4 x10 uF caps are reduced to 28 uF total capacitance.
the 2.7mH inductance is remplaced with a 3.5mH ,
the 2.0 mH inductance is replaced with a 2.20 or 2.25 mH
and the 2 x 10uF is reducted to 16uF total capacitance.The MMG is a remarkable loudspeaker , easy to modify ,
easy to live , incredible potential for upgrade.
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