[Elecraft] k1 speaker output wimpy

Fred Jensen k6dgw at foothill.net
Fri Apr 20 22:39:43 EDT 2012


On 4/20/2012 7:29 PM, Ron D'Eau Claire wrote:

> When the cone moves forward on a bare speaker, the air pressure created
> simply moves around the edges and fills the partial vacuum created behind.
> The end result is no sound pressure waves leaving the speaker. The only
> waves created are those high enough in frequency that the outer part of the
> speaker acts as a self-baffle, leaving only a small center portion of the
> speaker to produce a sound pressure wave.

And Ron has just described the plastic-cased "kitchen radio" of the 50's 
that my Grandma listened to "The Guiding Light" on.  No lows, all highs.

73,

Fred K6DGW
- Northern California Contest Club
- CU in the 2012 Cal QSO Party 6-7 Oct 2012
- www.cqp.org



More information about the Elecraft mailing list