PCL84 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

5mA, -1.76V BIAS, 220Va

Other operating points

4mA, -2.76V BIAS, 250Va
7mA, -0.76V BIAS, 160Va

Traced plate curves


Quite linear triode with clean spectrum. Very usable. Available for sale.

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