Hi David, > One of those other parameters is Hammer Weight. It has been reported to me > by Vince Mrykalo that increasing the hammer weight reduces inharmonicity > significantly.... How? By diminishing the influence of higher (more inharmonic) partials?? I don't see how the properties of an impulse delivered to a resonant system can alter the resonant frequencies of that system. The system will only resonate in response to the spectral energy in the impulse that corresponds to its natural resonant frequencies. If the hammer does not deliver (or delivers but damps) the higher frequencies to which the system could potentially resonate, the system will not resonate at those frequencies. However, that's not to say that the resonant frequencies have shifted towards a harmonic relationship with the fundamental. A system will not freely resonate to frequencies to which it is not tuned -- although it can be driven at "off-frequencies" with continuous input of energy. Peace, Sarah
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