[Elecraft] K3s: microphone connector 8V current
Don Wilhelm
donwilh at embarqmail.com
Sun Jul 26 19:46:42 EDT 2020
Henk,
If indeed it is for a mic preamp, then try it without the preamp. The
K3S has 2 stages of mic AF gain. Normal for the usual ham mics, and a
Hi level for low gain mic elements.
You must turn on bias to have the 8 volts appear at the mic jack. Do
not use with direct connection of a dynamic mic - it makes the mic
'sound funny'.
73,
Don W3FPR
On 7/26/2020 5:40 PM, Nr4c wrote:
> What are you going to use this voltage for? I think it’s for a mic preamp. It is not the source of bias for an electret mic. That comes on the mic pin when turned On in the menu.
>
More information about the Elecraft
mailing list