Re: [Elecraft] KPA500 Heat Expansion Pop

My amp has been click free for four days now. To clarify, page 22 Fig.27, is the area I'm referring to. Change the five 5/16 screws to 3/16 when mounting the Z-bracket on the PA/LPF module. I also would have preferred to use 1/4 screws but none come with the kit. -- View this message in context:

[Elecraft] KPa500 internal clicks

Lately I have been hearing what sound like random clicks coming from my amp after transmitting for a short time. Power is good and fan comes on as needed. I don't remember hearing any sounds at all other than the fan when the amp was new. Any one else having the same experience with the KPA500?

Re: [Elecraft] KPA500 Heat Expansion Pop

I think I may have solved this problem. One of the other posts mentions that the Z-bracket screws are too long and you don't get a tight fit. I changed the five screws from 5/16 to 3/16 and did notice a better grip between the bracket and the PA assembly. I have run it all evening and haven't

Re: [Elecraft] KPA500 Heat Expansion Pop

Happens here a lot . Amp doesn't have to warm up much. This symptom also didn't exist when the amp was new but started during long use in contest weekend -- View this message in context: http://elecraft.365791.n2.nabble.com/KPA500-Heat-Expansion-Pop-tp7075132p7076683.html Sent from the Elecraft