When teaching cave rescue communications, most of which uses
wired military surplus field phones, we teach yelling into the
ear piece if the microphone fails. Another example of a dynamic microphone.
73 Bill AE6JV
On 11/7/20 at 7:47 PM, n...@arrl.net (Bill Steffey NY9H) wrote:
Many a speaker
in our ham classes it's very easy to explain dynamic mics...
it is just a speaker !!! so if you apply a bias voltage it will try to
push the dynamic element ( speaker cone) in or out & HOLD IT
making it difficult for audio to create an AC alternating current on
that same , (now
2 matches
Mail list logo
