[Amps] 8877 tests

TexasRF at aol.com TexasRF at aol.com
Thu Jul 31 12:00:28 EDT 2008


I have had exactly the same experience. I am beginning to think that the  arc 
is a required part of the rehab procedure!
 
73/k5gw
 
 
 
 
 
In a message dated 7/31/2008 10:52:28 A.M. Central Daylight Time,  
w0jx at yahoo.com writes:

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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