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Old 31st March 2011, 04:40 AM   #1
diyAudio Member
 
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Location: NE Georgia
Default Active crossover for my MG2.5's?

I'm interested in building active x-overs for my Magnepan MG2.5's. Unfortunately, I don't have the owners manual and don't know the factory crossover frequecies, slopes, etc.

Can anyone assist me with this information? Or, has anyone done this project, already?

Thanks.

Rick
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Old 31st March 2011, 10:53 PM   #2
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With google search you can find just about anything you want or need. jer
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Old 1st April 2011, 01:24 AM   #3
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Thanks. It looks like 12 dB/octave @ 1KHz. This should be a simple circuit to design.
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Old 1st April 2011, 02:28 AM   #4
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Your welcome ,yes thats what I gather.
It can be verified by the component values and measuring the resistance values on the speakers voice coils since they are not listed in the schematic. jer
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Old 2nd April 2011, 10:03 PM   #5
gootee is offline gootee  United States
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Here's where I found information about improving Magnepans'
performance (crossover circuits, et al):

MUG Tweaks

And here's the Planar Speaker Asylum section of the Audio
Asylum discussion boards website(Magnepan Users Group, aka
MUG, section, I'm guessing) :

The Planar Speaker Asylum
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Old 8th June 2011, 11:30 PM   #6
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Ricksmastermix:
I just purchased a set of factory rebuilt MG2.5R's and will be doing upgrades along the way. I was first thinking of rebuilding the internal cross overs with upgraded parts among other mods. Let me know what you find out?
Tom
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