Sound Garage Tales

Well after suspecting the speaker, then the casters on the cabinet, I zeroed in on the back panel. And yes, indeed the buzz source was coming from there.
It seems like the closed-back structure and small debth (9″) was contributing to bring that back panel buzz to surface, thing that usually does not happen on a open-back cabinet.
I solved this one with using a convertible back as I have on my 2×12 Slant cabinets. The two braces that join the three-pieced structure reinforces the whole back panel system so that it keeps everything snug and no unwanted vibrations or buzzes occur.

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