Fwd: [AMPS] Titan 425 Question

[measures]

>A 425 in MT.
>
>From: W7lr@aol.com
>Date: Mon, 3 Jan 2000 00:32:57 EST
>Subject: Re: [AMPS] Titan 425 Question
>
>
>Hi Sam. I use a 425 hours a day.  It is very sensitive to grid overdrive, 
>and 
>I drive mine from a TS850.  If I change the drive level just a tiny bit I 
>get 
>the "red light", but back it off and things are ok.  Actually most of the 
>time I use only a few grid mils to the 425 and it puts out full output.  
>I've 
>had very few problems - some blown power supply diodes, and an arced 
>resistor 
>near the blower, but in general purs along in fine style.  Sure like it.  My 
>ts850 output must sag ....

Sag is usually an indicator of premature, primary grid-emission due to 
barium migration.   What is the heater potential?
thanks.  

cheers, Bob. 

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


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