A 435 or A 440 ?

[gordon stelter]

The plate and frame could almost certainly handle it,
but the board might be happier at A-435. 
     Thump



--- David Ilvedson <ilvey at sbcglobal.net> wrote:

> 5 beats per second?...if 442 is about 8 cents sharp,
> 438 would be about 8 cents flat and 435 getting
> close to 20 cents flat...that seems like a pretty
> hefty difference...I'd think it was noticeable to a
> 440 perfect pitcher...
> 
> David Ilvedson, RPT
> Pacifica, CA 94044
> 
> 
> 
> 
> 
> Original message
> From: "David Nereson"
> To: "Pianotech List"
> Received: 7/25/2006 11:43:15 PM
> Subject: RE: A 435 or A 440 ?
> 
> 
> 
> 
> -----Original Message-----
> From: pianotech-bounces at ptg.org
> [mailto:pianotech-bounces at ptg.org]On Behalf Of Jack
> Houweling
> Sent: Tuesday, July 25, 2006 11:01 PM
> To: pianotech
> Subject: A 435 or A 440 ?
> 
> Hello
> 
> I am working on a Mason and Risch grand piano and
> the plate has a stamp that says  " International
> Pitch A 435" .
> 
> Is it best to tune this piano to A 435 ?
> 
> The mother tells me the daughter has perfect pitch.
> She is away at school so I cannot talk to her. 
> Would someone with perfect pitch be bothered by
> anything other than A 440?
> 
> Jack Houweling
> 
> 
> Nobody has PERFECT pitch.  Some people have very
> good pitch recognition.  But to most of them, if you
> played A435 and asked them to tell you what note it
> was, they would just say “A,” not  “an A that’s a
> bit flat.”   At any rate, the plate and frame can
> most likely handle having the pitch raised to 440. 
> You might check to see that the plate bolts are
> snug.  But yes, it was designed to be at 435.  And
> 440 is only 5 beats per second sharp at A #49.  
> There are probably times during humid summers when
> it’s way sharper than that.
>             --David Nereson, RPT
> 


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