Klarinet Archive - Posting 000086.txt from 1995/10

From: davide@-----.COM
Subj: Re: Bob Spring's B clarinet
Date: Thu, 5 Oct 1995 11:54:37 -0400

One thing we are lacking here is the frequency of G# and A# with A@-----.

For A=440, the progression is:
G# 415.3
A 440.0
A# 466.2

This places the A@-----. (Halfway
between is actually 452.9.) The A@-----.8 pitch mentioned below is much
closer to A# than to A.

David Eby

> In the appendix to the English edition of Helmholtz's "On the
> Sensations of Tone" there is a table of frequencies for old organ pipes,
> pitch pipes, and tuning forks. Here are some from the US, for A4:
> (These are all tuning forks)
> year 1880 frequency 451.7 Hz Chickering Co.
> 1880 456.1 pitch used by Thomas' orchestra
> 1879 457.2 Steinway
> 1880 458.0 Steinway
> 1880 460.8 "highest New York pitch"