[Elecraft] K3 Power Supply Question

[john at kk9a.com]

Yes large diameter cable is required if you want to keep the TX voltage
high. I also replaced the Elecraft 12ga? supplied cable with 10 gauge when
using the small switching power supply while traveling. I use 8 gauge at
home since my cable is longer but it was tricky stuffing this into the
tiny PowerPole connector.

John KK9A

Jim Brown said:
Fri Mar 10 01:42:27 EST 2017

On Thu,3/9/2017 9:29 PM, George Thornton wrote:
>  From what I am learning the K3 needs a strong, stable power supply to
be reliable.

ANY ham rig needs that. :)  At 100W, the K3 draws about 20A keydown. Do
Ohm's Law on the wiring between the power supply and the K3. The simple
answer is short, fat copper, straight from the supply to the radio. AND
good quality connectors. Those power distribution strips can easily drop
a volt or so. I run #10-2 to my radios.

73, Jim K9YC