[Amps] shorted 3-500

[Carl]

Apply a very fast 12VDC between the grid and filament pins.
Ive had a better than .500 batting average with tubes that werent gassy to 
start with.

Carl


----- Original Message ----- 
From: "Paul Kraemer" <elespe at lisco.com>
To: <amps at contesting.com>
Sent: Saturday, October 12, 2019 5:18 PM
Subject: Re: [Amps] shorted 3-500


> No I can't see that. The tube "looks like" an EIMAC but not sure about 
> that. Lettering gone.
>
> Paul K0UYA
>
> On 10/12/2019 1:16 PM, Ron Youvan wrote:
>> Paul K0UYA Kraemer wrote:
>>
>>> Does anyone have a restoration technique to remove a grid cathode short 
>>> on a 3-500Z?
>>
>>> I have on just laying here---don't know why I keep it. Filament still 
>>> lights. No plate to anything short.
>>
>> Can you make out which grid wire or which side of the grid basket is 
>> touching the cathode or filament?
>>
>> Carl can tell us if restoration is possible.
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