Hi Doc Johnson (sorry, I just had to!) what is a goos source for the
electrolytics? Could you possible supply me with a part number, location,
or url please.
Thank you very much.
73
KD8Z
----- Original Message -----
From: "Dr. Gerald N. Johnson" <geraldj@storm.weather.net>
To: <tentec@contesting.com>
Sent: Tuesday, February 19, 2008 12:00 AM
Subject: Re: [TenTec] Titan 425 shelved for 10 years
> On Mon, 2008-02-18 at 22:10 -0500, DC wrote:
>> How good is the final tube in a Titan 425 thats been un-used for ten
>> years?
>>
>> thank you
>> 73
>> KD8Z@ARRL.NET
>
> The best of electrolytics don't store well for a decade. They might
> recover or they might blow up. To recover them they need to have the
> voltage brought up slowly with current limiting. When they blow, the
> fill their area with shredded aluminum foil, accompanied by shredded
> crepe paper filled with electrolyte, and spray some of the electrolyte
> about. After cleaning up a couple, I prefer to BUY and install new
> electrolytics with a current date code, no more than one year old.
>
> As for the tubes, it would be to their benefit to run for a day or two
> with only filament power. That will let the getter grab gas that has
> leaked in and will cook gas out of the emitting surface. Both will give
> the tubes far longer life.
>
> 73, Jerry, K0CQ
>
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