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 Post subject: Testing loctal eye tube
PostPosted: Jun Tue 24, 2003 4:48 pm 
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Joined: Jan Thu 01, 1970 1:00 am
Posts: 1765
Location: Mt. Prospect, IL USA
Hi all,<BR> Anyone know of a loctal eye tube? I just found one in a box of tubes I bought, would like to test it! Believe it says C45 on the side of the base, no other markings. Thanks!<P>------------------<BR>


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 Post subject: Testing loctal eye tube
PostPosted: Jun Tue 24, 2003 5:28 pm 
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Joined: Jan Thu 01, 1970 1:00 am
Posts: 31401
Location: Livermore, CA
Hi Chuck<P> I have an EM71 that's loctal. Might be that one but don't think it was used in the US. Duncan has a little information:<P> <A HREF="http://tdsl.duncanamps.com/tubesearch2.php?TSD=em71&btnSubmit=Query" TARGET=_blank>http://tdsl.duncanamps.com/tubesearch2.php?TSD=em71&btnSubmit=Query</A> <P>------------------<BR>Norm


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 Post subject: Testing loctal eye tube
PostPosted: Jun Tue 24, 2003 5:56 pm 
Member

Joined: Jan Thu 01, 1970 1:00 am
Posts: 1765
Location: Mt. Prospect, IL USA
Thanks, Norm! I'm going to try adapting this tube for 6U5 duty just for fun... gotta check the data charts 1st.<P>------------------<BR>


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 Post subject: Testing loctal eye tube
PostPosted: Jun Wed 25, 2003 7:38 am 
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Joined: Jan Thu 01, 1970 1:00 am
Posts: 3162
Location: Cockatoo, Victoria, Australia
Hi Chuck, The European EM71 is the only eye tube I can see with an octal socket, though there could be orhers. I've sent you comprehensive data for it that includes a typical circuit. The patten is different to 6U5, that might help confirm it as an EM71.<BR>Don Black.<P>------------------<BR>


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