>A 425 in MT.
>
>From: W7lr@aol.com
To: <amps@contesting.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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