6N2, 6N6, 6N11 - Please help a beginner! (long)

[JonSnell Electronic]

I stock Russian made 6n3p-E (ECC42) and 6n1P (ECC88). Low noise double triodes of similar specification with pin 9 as a screen (not heater centre tap as in ECC83 etc).
Fairly inexpensive too!

 

[lduarte1973]

hi , is 6N1 - J chinese the same as 6N1P russian ?