Quote Originally Posted by dominique-tanguy View Post
Dear Altec Best,

I could may be find a local shop which could fill the holes with plugs and drill new holes with proper precision...
Plugging probably wouldn't be necessary, just expensive...I would just shift (rotate the driver) and have them drill new holes between the others. You won't see it once drivers mounted. And the drivers simply don't care.

Here's the section from an Altec spec sheet, the 3 hole is this smaller bolt circle...this shows both the 3 bolt and newer 4 bolt patterns.

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