[R-390] I Hope Everyone Is Happy Now....

Fri, 15 Feb 2002 19:09:54 -0600

Or, you can put a thermister in the line to let the voltage come up slowly.
This is a trick I have used in all my Collins equipment.  Lessens the shock
of the cold start.

Cory/N2AQS
----- Original Message -----
From: <[email protected]>
To: <[email protected]>; <[email protected]>
Sent: Friday, February 15, 2002 6:41 PM
Subject: Re: [R-390] I Hope Everyone Is Happy Now....

>
> In a message dated 2/15/02 5:38:23 PM, [email protected] writes:
>
> << Well, the last of the good prices is now out of stock,
> Jan at http://www.die-wuestens.de just sent me an
> email that he had a large rush of orders and no longer
> has stock of the 26Z5W, nor do any of his colleagues
> that he normally trades with. I am now down to two
> spares and will be forced to <gasp> solid state my
> 390A's in the future if the rectifiers fail. I do have a plan,
> I have a couple of 2 minute delay-on-make relays that
> would work wonders in keeping the B+ off the tubes
> till the filaments are warm..... Or I could use them to
> drive a step start contactor and motorized variac, or
> or, well, the possibilities are endless, you know. :-)
>
>
> Or, you could just instal 1 kv 3 amp diodes and let 'er rip.....I've been
> doing that for years with no ill effects. But, I must warn you some have
> accused me of being a witch!!
>
> And no, I am not upset in the least with the lack of
> tube rectifiers, two of my sets in the last few years
> have come either stock or have been Navy modded
> for solid state diodes anyway....
>
>
> 73 all
>
> Tom KA4RKT
>  >>
>
>
>
>                   Les Locklear
> " That's my story and I'm sticking to it "
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