Its pretty well known that the older Maggies had problems with the glue that held the voice coil to the diaphram. Apparently it was sensitive to UV; if left in a room that had direct light it would break down over the years. If your room had no sunlight exposure you may not have run into problems.
One of my employees was part-time and also worked at Magnaplanar. He mentioned this issue to us at least once.
A friend of mine who works at ARC ran into this in a set of older Tympanis that he wanted to rebuild. Magnaplaner redid the voice coils for him.
So the problem was real. To my understanding they switched glues a few times but I understand that they did solve it. I do not know when exactly but if memory serves sometime in the last 10-12 years or so.
One of my employees was part-time and also worked at Magnaplanar. He mentioned this issue to us at least once.
A friend of mine who works at ARC ran into this in a set of older Tympanis that he wanted to rebuild. Magnaplaner redid the voice coils for him.
So the problem was real. To my understanding they switched glues a few times but I understand that they did solve it. I do not know when exactly but if memory serves sometime in the last 10-12 years or so.