Other web Sites
Harmonica Blues  Harmonica Amps
Harmonica Links Harmonica Pages
Archives Home
Years
 · 1992
 · 1993
 · 1994
 · 1995
 · 1996
 · 1997
 · 1998
 · 1999
 · 2000
 · 2001
 · 2002
 · 2003
 
Web HarpL
Ebay Searches:
Amps:
Microphones:
Effects:
Harmonicas and Gear:
Harmonica Music and Instruction:

 

 

Harp-L Archives

[Previous Message] [Next Message]
[Previous in Thread] [Next in Thread]
[Start of Thread] [End of Thread]

From: Alec Drachman
Date: Sun, 18 Jan 1998 20:17:33 -0500
Subject: Re: A440?

Mike Curtis wrote:

>
>
> Sound is vibrations - a "pressure" followed by a "suction". Each
> pressure/suction pair is called a "cycle", or a "Hertz". Sound comprised
> of 440 Cycles or Hertz per second makes a pitch of A440.

Actually, the frequency is defined as cycles per second or Hertz - i.e. the
Hertz already includes the "per second". So "Hertz per second" is redundant or
at least a different unit. Sorry, I couldn't help myself - it's the
math/science teacher in me. I only took off one point, though. :-)

Alec