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1. [Amps] Determining the Age of A Tube? (score: 1): Author: Eric Rosenberg <ericrosenberg.dc@gmail.com>; Date: Fri, 25 Feb 2011 21:58:09 -0500; I'm using a borrowed ETO 78 (early vintage). The person loaning it to me (K2PS) has no idea how old the tunes are... he hasn't changed them. Last weekend (ARRL DX CW) we didn't get more than 1kw out,; /archives//html/Amps/2011-02/msg00192.html (7,156 bytes)
2. Re: [Amps] Determining the Age of A Tube? (score: 1): Author: "Carl" <km1h@jeremy.mv.com>; Date: Sun, 27 Feb 2011 13:37:44 -0500; 8874's have a 4 digit date code on the anode cooler. Carl KM1H _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting.com/mailman/listinfo/amps; /archives//html/Amps/2011-02/msg00194.html (8,079 bytes)

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