Eimacs 86-89 had bad seals and welds all due to QC problems at the new SLC
plant; the welds were due to trying to save money by using only 3 spot
welds.
I dont have the actual date code groups handy.
Carl
KM1H
----- Original Message -----
From: "Jim W7RY" <w7ry@centurytel.net>
To: "Vic Rosenthal K2VCO" <k2vco.vic@gmail.com>; "Amps reflector"
<amps@contesting.com>
Sent: Tuesday, April 29, 2014 7:55 PM
Subject: Re: [Amps] Eimac 3-500Z date codes
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/
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