Are you using the black or the grey dampeners? It sounds like you are using the black, stiff ones. Try the softer grey ones.
And very simple: Don't take off from concrete! Get softer ground to avoid ground resonances.
Cheers!
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T-Rex 600 CF | VBar |TT|Plettenberg 30-12HE|JAZZ55-10-32|3X9252|9254|FF-6, FASST|Radix600|SLS3700ZX 10s packs
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