[Elecraft] KPA1500 RELIABILITY

Jim Brown jim at audiosystemsgroup.com
Sun Oct 30 15:57:21 EDT 2022


On 10/29/2022 5:00 PM, W3AB/GEO wrote:
> Is there a reliability issue with these amps?

Mine's been running with no issues since late June 2019. I use it 
extensively with legal limit CW, SSB, and RTTY contesting on HF and 
160M, as well as seriously chasing grids on 6M using WSJT modes, where I 
limit the power to about 1200W.

Initially, I was running the fans high on 6M to keep temp down on the 
devices, but on advice from Elecraft engineer K6XX, backed the default 
speed to minimum and let the firmware take care of protect the amp. Runs 
fine that way.

73, Jim K9YC


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