400 Hz

[Chuck Guzis]

On 5/7/21 4:55 PM, Fred Cisin via cctalk wrote:
> Hmmm.  If they ever use single phase, instead of 3 phase, . . .
> 
> A4 (A above middle C) is nominally 440Hz, but not everybody agrees.
> NY Phil uses 442, Boston uses 441, and many argue for 432.
> 
> But, 400 would be A-flat.  With a constant A flat droning in the
> background, . . .

I used to play (tuba) just below a fluorescent fixture that buzzed at
120 Hz.  Very annoying--a flat B-natural or a sharp B-flat.  Messed with
my head.

--Chuck