["Followup-To:" header set to sci.electronics.basics.]
On 2007-06-30, John Smith I <assemblywizard@gmail.com> wrote:
> Radium wrote:
>
> WTF are you thinking when you describe the 20 Khz signal as, "a
> pure-sine-wave-tone] with a frequency of 20 KHz and an
> amplitude of 1-watt-per-meter-squared"

Candela

Admittedly an odd unit to use for radiation at that frequency.

Bye.
Jasen