| To: | "amps@contesting.com" <amps@contesting.com> |
|---|---|
| Subject: | Re: [Amps] I'm not kidding: TL922 |
| From: | Mike Waters <mikewate@gmail.com> |
| Date: | Fri, 6 Feb 2015 13:14:43 -0600 |
| List-post: | <amps@contesting.com">mailto:amps@contesting.com> |
Somebody suggested having a young person listen for a very-high pitched sound. I think that's a very good idea indeed. Has that been tried yet? I know a teenage boy that can hear the 'ultrasonic' noise emanating from most cell phone and tablet screens, and at a considerable distance. 73, Mike www.w0btu.com _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting.com/mailman/listinfo/amps |
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