[Elecraft] KPA500 assembly

[Eric Swartz WA6HHQ - Elecraft]

Hi George,

This sound is normal and it is most likely coming from the ferrite beads that are mounted on short loops of wire on the RF amplifier PCB.

73,
Eric
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elecraft.com

> On Sep 22, 2013, at 10:21 AM, Georgek5kg at aol.com wrote:
> 
> I am assembling my KPA500, and am to the point of installing the RF Power  
> Amplifier/Low Pass Filter (PA/LPF) Module.  I notice when handling the  
> module, if I gently rock it back and forth, I hear a small clicking sound  from 
> somewhere in the module..  
> 
> I have inspected the module, and do not see any debris or spare parts loose 
> in the module.  Is the clicking normal and, if so, where is it coming  
> from?  If it isn't normal, what next?
> 
> 73, George
> 
> George  Wagner, K5KG