[AMPS] snapping load SB-220 capacitors

[measures]

>
>Hello gang, 
>
>My latest Heathkit SB-220 rebuild was quite the animal. The proper 
>and complete rebuild of an SB-220 will take some hours of serious 
>work. After all the solder flux smoke has cleared, I fired the happy 
>animal up for a terminated trial run.  Above the 150 watt power 
>level, I got snapping across the loading cap. 
>
>Comparing this capacitor to another 70's vintage SB-220 loading 
>cap shows the latter has a larger plate spacing.  Can one of 
>you trivia people tell me the reason for the factory change..? 
>
I am aware of a change in Tune-C spacing, but not Load-C spacing.  

-  Rich..., 805.386.3734, www.vcnet.com/measures.  


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