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Old 11-11-2019, 11:43 AM
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bandersen bandersen is offline
RCA 741PCS
 
Join Date: Mar 2009
Location: Chicago, IL
Posts: 8,814
Interesting how they removed pin 8 and cut a hole round pin 9 of the 6S4 vertical output tube.

I assume that was to prevent arc over or breakdown of the phenolic PCB

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