ECF802 Triode Part


All tube operating points below are by no means definitive good sound recipe for your particulate tube project. Lowest THD point is not necessary best sounding one and there is always some variance even in a NOS tube batch from the same manufacturer!  Below information is only useful as a general starting point and is ment to get you in a ballpark when no measurement equipment is available.


Lowest THD operating point spectrum


 6mA, -2.1V BIAS, 230Va

Other operating points


5mA, -1.8V BIAS, 200Va
4mA, -1.35V BIAS, 155Va

Traced plate curves


THD statistics


Comment


Quite linear triode with a clean spectrum, similar to soviet 6N23P. Sweet spot seems to be at 6ma ant -2V BIAS. Available for sale.


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