[Elecraft] KPA500 Heat Expansion Pop

[Jeff Cochrane - VK4BOF]

Nothing heard here at all.
No hum, no buzz, no pops, just good clean rf power.

73 de
Jeff Cochrane - VK4BOF
East Innisfail
QLD, Australia
K3 #4257, P3#1629, KPA-500 #161

----- Original Message ----- 
From: "Joe Word" <joe.n9vx at gmail.com>
To: <elecraft at mailman.qth.net>
Sent: Friday, December 09, 2011 3:37 AM
Subject: [Elecraft] KPA500 Heat Expansion Pop


> My KPA500 has developed a heat expansion pop. When it heats up and
> then cools down I get a pop from inside the amp. It does this now
> every time I make a SSB transmission.
> 
> Anyone else experience this? If so, any resolution?
> 
> Joe  N9VX
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