Originally Posted by
ParamountScapin
Do not know. Never owned two identical except for lugged vs TIG'd. If were to guess the lugged would be slightly more forgiving due to the localized hardening of the metal at the welds that the lower heat of sil-brazing would not have.
Materials with higher hardness do
tend to also have higher stiffness, especially when looking at non-metals, but hardening a piece of metal does not significantly affect its stiffness.