[Elecraft] K3 Speaker cabinet resonances

[Deni F5VJC]

Has anyone found a solution to the cabinet buzz from the K3 internal speaker?

I've not used the internal speaker until recently on my K3 and now find I
have annoying cabinet buzz around 450Hz and 600Hz, not so good for CW!

I haven't tried any damping as yet and just wondered if anyone has managed
to cure this cabinet resonance.

73,Deni
F5VJC
K3 325

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