4pcs 6N5P Audiophile Double Triode Tube Novosibirsk Same Data 05-1977 USSR Boxed

Description

6N5P Audiophile Double Triode Tubes
The lot for 4 tubes in factory boxes
Novosibirsk Factory
Made in USSR. New, Old Stock
Same Date Code 05-1977
Tubes
have "
OTK
" and
<>
markings on them
......................................................................
The filament voltage ...... 6,3 ± 0,6 In
The filament current ...... 600 ± 50 mA
The anode voltage nominal (constant) ...... 200
The anode voltage limit (constant) ...... 300 In
The anode current of each triode ...... at least 8 mA
The current of the cathode of each triode limit ...... 25 mA
Return the current grid of the first triode ...... 1 µa
The power dissipated by each anode, the limit ...... 2.2 W
The voltage between cathode and heater limit (DC) ...... 250 In
The steepness of the characteristics of each triode ...... 4,2 ± 0,7 mA/V
The gain of each triode ...... 27
The resistance in the circuit of each cathode for the automatic offset ...... 600 Ohm
The resistance in the circuit grid limit ...... 1 MW
The input capacitance of each triode ...... 3 pF
The capacity output of the first triode ...... 1.5 pF
The capacity output of the second triode ...... 1,7 pF
The gate capacitance of each triode ...... 2,25 pF
The capacitance between the anodes ...... not more than 0.2 pF
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