6P6S (6П6С) 6V6GT/6AY5/587 MATCHED QUAD MILITARY TUBES NOS USSR
You all know that our country is now at war with Russia. Reverse grid current of the first no more than 2 μA. Glass design with an octal base. Capacity is not more than 0.9 pF. Output capacitance 6.5 ± 2.7 pF.