Also the ability he have to voice what I read described as "hard" pressed hammers (that we very often complain are too soft).
Not enough experience dealing with those and the tech cannot have the benefit of naturally dense hearted heads, that to me are the only ones that can provide a clear open tone with a large dynamic range.
Impregnated hammers facilitate an open tone at light level of dynamics, but I often hear a saturated tone at fff level. Only the natural resiliency of felt can provide a strong but singing Ffff with a different enveloppe than at mf.
I use impregnation to raise the harmonic content, but dynamics are given by the differential in density the hammer provide.
Voicing the modern hammers is faster than it was, but the retracation of the mafelt is ofen limited, so experience is really necessary. After 30 stiches the dynamics and thickness of tone may lower , so those first stiches may be effective, strong and well applied.
Making a clear losange shape allows the hammer to lighten but mostly to have a more efficient suspension.
I wish I could see slow motion of hammer deformation, it goes lower than we. Suspect assuming the inside is resilient enough. Just without staples the Fff is less dense
Dont misunderstand me, i like soft hammers but only if the piano cannot produce the full dynamic range without saturating.
Edited by Kamin (09/12/12 02:14 PM)
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