[Heathkit] SB-220 socket question

[jeremy-ca]

If they havent acted up by now they probably wont. Check the socket filament 
connections for discoloring due to overheating, if they are nice and shiny 
they are OK.

Carl

----- Original Message ----- 
From: "Levert" <ka9cch at arrl.net>
To: <heathkit at mailman.qth.net>
Sent: Saturday, August 26, 2006 7:30 PM
Subject: [Heathkit] SB-220 socket question


> Is there a problem with  SB-220 tube sockets?  I found this note in the 
> warranty info on the RF Parts web site
>
> "Tube Pin Heating or desoldering resulting from defective sockets (i.e. 
> SB220) are not considered a warranty item. We recommend examination of 
> original tubes for signs of this problem."
>
>
> What are the indicators of defective sockets and is it just better to 
> routinely replace these 30 yr. old sockets rather than risk the tubes??
>
> Thanks
> KA9CCH
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