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Mackie 450 active speaker tweeter.

Dave m

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A mate has a pair of 450’s and noticed a nasty sound from the high end.

It’s a raspy sound, almost a rattle but nothing’s loose

He’s bought a diaphragm and swapped it over but the poor sound is still there.

Where to look next? The actual compression driver? Or could it be the board.

I would be tempted to suggest that he takes the second (working) one apart to swap.

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