Klarinet Archive - Posting 000153.txt from 1995/05

From: Rob Hughes <rlhughes@-----.EDU>
Subj: Re: Tuning Pitches
Date: Thu, 4 May 1995 11:16:49 -0400

It is close to Bb, but a 60 cycle hum is really in between an A (55hz)
and a Bb

On Wed, 3 May 1995, John Henninger wrote:

> I read an article awhile back that most electrical appliances running
> on standard American current hum in Bb. I tried it and my refrigerator
> and downstairs ceiling fan are indeed in Bb. John
>