Headphone Impedance - RadioBanter

April 23rd 09, 02:13 AM posted to rec.radio.amateur.homebrew

Unca Pete

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First recorded activity by RadioBanter: Mar 2009

Posts: 27

Headphone Impedance

The impedance of the headphone is pretty much meaningless.
The sensitivity is critical. Impedance matching can be done with
high quality audio interstage transformers. The most popular
headsets are made from sound powered Deck-Talkers used on
WWII era military ships. They have balanced armatures and
are extremely sensitive, and very low impedance.

Pete K1ZJH

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