Back in the "young and stupid" days one of my friends was veneering a set of big-ass ported speakers and forgot to cut out the veneer over one of the ports. He was building the speakers for a friend who never took the grills off and so never knew that he had 2 speakers but only one port.
The veneer made a wierd kazoo noise when the volume was cranked. Eventually the veneer cracked and the kazoo sound got really bad, so the speakers came back and the problem was discovered.
M60ti, VP180, QS8, M2ti, EP500, PC-Plus 20-39
M5HP, M40ti, Sierra-1
LFR1100 active, ADA1500-4 and -8
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