[Elecraft] K3; 8 volts with Mic Bias off.

[Jim Brown]

On 3/1/2012 8:03 AM, Richard Fjeld wrote:
> otice that the 8 volts is present either with bias on or off.  I'm using the front panel mike jack.  I don't dare connect the dynamic mic.

Bias is applied through a resistance of about 5K ohms, so the DC current 
is far too small to damage a dynamic mic.  You would NOT want to apply 
it to a ribbon mic.

73, Jim K9YC