Here's my point Richard, the subject line has nothing to do with the
subject of the message. It would sure help if it did.
Bud
> > Meine Frage: How much difference is between those and the custom made
> plugs?
>
>Short answer hit the keys harder and you can hear the
>unisons.
>
>Long answer; no one should tune a piano without plugs. If
>USA OSHA knew the SPL (sound pressure level) the would
>absolute forbid tuning without plugs. I personally have
>measured SPL of 110 dB at ear level tuning the treble of a
>Yamaha C3. 115 dB is possible with some of those hard rock
>hammers.
>
>100 dB exposure of 15 minutes is OSHA standard. Or there
>abouts, I forget the number but it is far shorter than it
>takes to tune the treble of but one piano.
>
>Get plugs, use them, and never leave home without them.
>
> Newton
Bud Schwab
W 6 Z Y P
Malibu, california
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