ORIGINAL MESSAGE:
On Tue, 25 Jul 2006 13:38:38 -0700, you wrote:
>The stators are around each membrand and their DC bias is at zero volts,
>so they effectively shield the head from any potential (plus, the
>membranes are both at the same voltage, so there's no differential
>around the head).
>Electrostatic headphones have been around since at least the 50s and
>they continue to be sold commercially, and I've yet to read about there
>ever being a health issue.
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Sounds ok. I was concerned if they were wired so that one side had the
+ terminal next to the head and the other side had the - terminal
likewise. That would be a rather strong field to place the brain
inside of.
As long as they are either shielded or wired with the same polarity
next to the head, there should be no problem.
Bill, W6WRT
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