[AMPS] Titan 425 Question

[Lane Zeitler]

Rich said:

> Firstly, I would try to determine if the problem is in the tubes or in 
> the amplifier.  To make this determination, I would test the tubes for 
> abnormal leakage.  To do this you need a +/- 5kV high-pot tester, 
> current-limited to a couple of hundred uA.  .  With +5kV on the anode, 
> you should be seeing under 10uA.  

Rich,
What is your reference for this?

Lane
Ku7i


>If the measured leakage decreases when 
> the anode is negative, you could have a bit of gold-sputtering --  which 
> is Not necessarily a fatal condition.   Loose gold will definitely mess 
> with grid-current readings.
> cheers, Sam.    
> 
> 
> -  Rich..., 805.386.3734, www.vcnet.com/measures.  
> 
> 
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