Quote:
Originally Posted by Radio Wrangler
Alternatively, add mass.
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I occasionally used to design inertia-block machine suspensions for vibration isolation. The thought of doing this for a bunch of valves made me smile. (Although - I once screwed a rubber-mounted xlr socket to a church lectern for similar reasons. But alas, Fourier tells us that the Dirac delta function contains all frequencies, including those around the LF mass-spring resonance one has just introduced into the system. Bad news for Bible-thumpers
).