[Elecraft] Response time for tech support??

I received my new factory-built KPA500 last Thursday and unfortunately it has a couple of problems - loud chassis buzz on CW and HV drops out of acceptable range with less than 10 watts drive. I sent an email to supp...@elecraft.com a week ago today and then follow

Re: [Elecraft] Response time for tech support??

Pick up the phone and call them. Grant NQ5T > On Oct 30, 2020, at 12:23 PM, Stan Mason wrote: > > I received my new factory-built KPA500 last Thursday and unfortunately it has > a couple of problems - loud chassis buzz on CW and HV drops out of acceptable > range with less than 10 watts drive

Re: [Elecraft] Response time for tech support??

Stan; Please elaborate - what voltage is the HV dropping to? We set up the factory-build units for the voltages at the factory. What you encounter might be different, so you will need to go through the adjustment exercise described in the manual on page 6 of the rev C3 manual (it might have mo

Re: [Elecraft] Response time for tech support??

On Fri, Oct 30, 2020 at 9:55 AM Jack Brindle via Elecraft wrote: > Once you get all this taken care of, the KPA500 is a pleasure to use. But > then I’m biased… Can't resist. zero biased? self biased? good old fashion grid biased? Hope everyone is OK and stay safe. 73, Mark W7MLG _