[Heathkit] Need Eico 666 Test data for 572B's

jack m oldvette at hotmail.com
Tue Sep 4 17:03:57 EDT 2012





I just acquired a nice pair of used 572B's which I would like to test and match before storing them as spares for my SB-200.  I've checked (googled) all online sources and my 666-07 data chart and supplements for both the 811 and 572B tubes and can not find anything.  Has anyone developed a set of settings for the Eico 666 tester which would enable me to determine the relative emission and/or shorts/leakage for either oif these tubes?  Much appreciated. Thanks  Jack  		 	   		  


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