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Re: [Amps] Fixing grid to cathode shorts

To: <amps@contesting.com>
Subject: Re: [Amps] Fixing grid to cathode shorts
From: "AA6DX - Mark" <aa6dx@arrl.net>
Reply-to: AA6DX - Mark <aa6dx@arrl.net>
Date: Wed, 9 Sep 2009 16:49:01 -0700
List-post: <amps@contesting.com">mailto:amps@contesting.com>
> Message: 3
> Date: Wed, 9 Sep 2009 14:54:17 EDT
> From: TexasRF@aol.com
> Subject: Re: [Amps] LK500-ZB
> To: royanjoy@ncn.net, amps@contesting.com
> Message-ID: <d57.333a4d82.37d953d9@aol.com>
> Content-Type: text/plain; charset="US-ASCII"
>
> Has anyone tried to blow a grid to cathode short with a high current pulse
> of energy? Such as touching the shorted pins for an instant with a car
> battery.  At this point seems not much to loose by trying.
>
> 73,
> Gerald K5GW
>
>
Yes ... used to do that with 4-1000s back when ... could get as-new pulls 
from local TV station in the 60s - 70s  !! According to them, "dead" --  
actually had re resuscitated  some of them multiple times ... The usual 
pulls from the station were really lame, as they moved them from video to 
audio finals, and were plumb worn out ... the "dead" ones were much newer, 
when "fixed" --- lots more gain!
Mark, AA6DX 

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