[Milsurplus] BC-611 Mic/Speaker Tests

WA5CAB at cs.com WA5CAB at cs.com
Wed Jul 13 15:22:48 EDT 2005


Dave,

Something similar to that is the basis for a Signal Corps tester.  Standard 
transducer driven by a signal generator applied to unit under test, whose 
output is measured by an AC voltmeter.  Or vice versa.  You may find one way works 
better than the other.

In a message dated 7/13/2005 1:51:58 PM Central Daylight Time, 
arc5 at ix.netcom.com writes: 
> Thought I'd bounce an idea off ya'll before I try it and blow
> up some of my elements.
> Testing BC-611 mics and speakers-  how about piping the output
> of an audio gen into a know-good one, listening to the level
> coming out and then using that to test other elements?
> Scope hasn't been much good- signal gets buried in the
> nasty noise from 50 KW KRLD nearby.

Robert Downs - Houston
<http://www.wa5cab.com> (Web Store)
MVPA 9480
<wa5cab at cs.com> (Primary email)
<wa5cab at houston.rr.com> (Backup email)


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