[Amps] Eimac 3-500Z date codes

[Vic Rosenthal K2VCO]

I've seen the ones with the weld problem!

If they will hold the low voltage (CW) position of the TL922, then I can 
getter them.

On 4/29/2014 4:55 PM, Jim W7RY wrote:
> 40th week of 1982.
> If they have never been fired up, they MAY be gassey. I just removed a
> pair from a TL922 that were new in the box. On was gassy at less than
> 500 volts. I'm not at home so I cant get you the date codes.
>
> There was a run of them in the 80s that had the welds break where the
> cone that holds the plate on the stem would break lose from the plate
> itself and flop loose inside the tube.
> I'm not sure of their date codes that had this problem.
>
> 73
> Jim W7RY
>
>
>
> -----Original Message----- From: Vic Rosenthal K2VCO
> Sent: Tuesday, April 29, 2014 4:23 PM
> To: Amps reflector
> Subject: [Amps] Eimac 3-500Z date codes
>
> I know this information has appeared here, but I haven't been able to
> find it. Which are the "bad" Eimac 3-500Z date codes?
>
> I have a pair that appear to be unused that have the code 8240. Does
> this mean they were manufactured on the 40th day of 1982?
>

-- 
73,
Vic, K2VCO
Fresno CA
http://www.qsl.net/k2vco/