[R-390] The infamous or notorious Ballast Tube

[Michael Murphy]

Once you have used a ballast tube - you never go back.  
M. Murphy WB2UID

----- Original Message ----- 
From: "Rbethman" <rbethman at comcast.net>
To: <R-390 at mailman.qth.net>
Sent: Monday, November 15, 2004 3:25 PM
Subject: [R-390] The infamous or notorious Ballast Tube


> The Equine Assault and Battery begins again!  Sigh.
> 
> First - I can't get to the Pearls.
> 
> Second - We wnet through the serious technical discussions, THEN lapsed 
> into one of OUR notorious wholly irreverent threads a little while back.
> 
> A bit of advice - Once you've used a ballast tube, DON'T remotely 
> contemplate moving the radio much at all!  I firmly believe that the 
> iron filament takes on a brittle tendency.  When I have ever moved one 
> after use, I ALWAYS remove it from the radio very carefully, and package 
> it separately.
> 
> The 47 ohm, or for that matter a 50 ohm, 5 or 10 watt resistor betweens 
> pins 2 and 7 works VERY well.
> 
> About three years running now, on 24/7 with no problems.
> 
> When you futz around with paper clips, you DON'T know what plating was 
> used.  Better to use bare copper, or insulated copper wire with the ends 
> tinned with solder.
> 
> We've already gone down the path of kielbasa and OTHER ridiculous 
> possible substitutes.....<G>
> 
> Although I MUST admit this list has been VERY quiet of late.....
> 
> Bob - N0DGN
> 
> -- 
> <                      Bob Bethman - N0DGN
> +-------------------------------+----------------------------------+
> | N0DGN AMRadio Manassas, VA    |    REAL Tube Radio and AM        |
> +-------------------------------+----------------------------------+
> |       Manassas Radio - Home of Homemade Kielbasa & Pirogi        |
> +-------------------------------+----------------------------------+
> | Bob Bethman                \\\|///     " The absence of a danger |
> | rbethman(at)comcast.net   \\ ~ ~ //      signal does *NOT* mean  |
> |                           (/ @ @ /)      that everything is OK " |
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> |               <http://home.comcast.net/~rbethman>                |
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> |           Amateur Astronomer - Celestron Nexstar 8               |
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