[R-390] The infamous or notorious Ballast Tube

[Cecil Acuff]

That's not the way I heard it....

Once you've blown a ballast tube you'll never go back....I think that's more 
the reality....

duckin somewhere in the deep south!

Cecil....
----- Original Message ----- 
From: "Michael Murphy" <mjmurphy45 at comcast.net>
To: <rbethman at comcast.net>; <R-390 at mailman.qth.net>
Sent: Monday, November 15, 2004 6:59 PM
Subject: Re: [R-390] The infamous or notorious Ballast Tube


> 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 " |
>> +-------------------------oOOo-(_)-oOOo----------------------------+
>> |               <http://home.comcast.net/~rbethman>                |
>> | 1 BC-610I w/BC-614I,1 T-213/GRC-26 w/BC614I 1 '51 Collins R-390A |
>> |  SP-600/NR Type 159, Heath DX-60, Apache, Mohawk, SX-101, HT-32A |
>> +------------------------------------------------------------------+
>> |           Amateur Astronomer - Celestron Nexstar 8               |
>> |             12" f5 Dob coming soon!  Being built                 |
>> |                  Meade ETX-60 (Got it back!)                     |
>> |               38 Deg 46.8' N - 77 Deg 28.5' W                    |
>> +------------------------------------------------------------------+
>> |   Opinions expressed are that of my own and do not necessarily   |
>> |         coincide with or represent those of ANYONE else          |
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