[Amps] YU-158 still being made?

[Carl]

If its real ts only a selected 3CPX1500A7 taken off the line and given a 
customer ID #.

Carl
KM1H


----- Original Message ----- 
From: "ED MCKIE" <kb5gt at cableone.net>
To: <amps at contesting.com>
Sent: Wednesday, July 13, 2011 2:39 PM
Subject: [Amps] YU-158 still being made?


> I built a twenty meter monobander in1997 using a new YU-158 I got from a
> friend who had a friend that worked for GE Medical Systems. I found when
> trying to get info from Eimac that it was a proprietary tube made for ETO.
> About all I could get out of CPI / Eimac was that is was a more rugged 
> 8877
> and ran lower grid current for a given output.
> Well, there is a new YU-158 for sale on Ebay with a date code 1039. My
> question is this: if it was a proprietary tube made for ETO, do they still
> make them or could it be a counterfit. The 1 on the datecode is taller 
> than
> the rest of the numbers in the date code.
> I read something a few days ago about people putting CPI / Eimac 
> silkscreen
> on import tubes.
> TNX, Ed
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