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RE: Old Maggies - MG I

Posted by j beede (A) on November 25, 2015 at 08:32:01

In Reply to: RE: Old Maggies - MG I posted by mgdaoust on November 25, 2015 at 06:03:43:

The tweeter wire is very easy to replace. The woofer not so much.

Assuming that you have soldering tools and a DVM... I disconnect the voice coil wires from the crossover and use an ohmmeter to locate the break. Clip one ohmmeter lead to one end of the tweeter wire near the crossover. Use the other probe to prove continuity near the first probe then start moving the second probe further and further along the serpentine tweeter voice coil until you lose continuity. Voila, you have located a break. There may be more than one.

As you speakers are 35+ years old, you may find that the wire is fragile and no longer useable. You options are:

-purchase rewire kits and "socks" from Sheila @ Magnepan ($$$)
-replace the aluminum tweeter wire with copper magnet wire (cheap and fun)
-replace the MG-1 with a lightly used pair of MMG for ~$300-400

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