Re: [Amps] 8877 tests

[Dennis W0JX <w0jx@yahoo.com>]

If/when you build that amp be sure to put a glitch resistor in series with the 
anode supply to the tube. Old 8877's can get gassy. I cooked my Ebay 8877 for 
three days with only filament voltage and the blower on. Also started it up 
with low voltage. Glad I had a glitch resistor because I still got an arc over. 
After that, though, it settled down and performs nicely.
 
Good Luck, Dennis W0JX/8
 
 


      
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