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Brainstorm4645's picture
Last seen: Never ago
Joined: Jan 17 2007 - 8:24pm
Sub bass extension gets extended to play lower and louder than before!

It struck me last year when I was toying around with extending the sub bass frequency response when experimenting with carpet tubing placed over the (air duct port).

This time I used a different approach with a small piece of plastic tubing about 7

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