PSVANE CV181-TII Mark II Vacuum Tube replaced 6SN7 6N8P  Price for 1pair 
TII-Series: Positioning in exceeding totally, not only exceed all the same types of productions that always 
been imitating on the market, but also to exceed itself.


CV181-TII is double triode, used in voltage amplification circuit, Can be replaced directly by 6N8P and 6SN7GT.

 Heater

UH………… 6.3  V

IH ………… 0.6     A


Static Parameter

Ua ………………………… 90  250 V

Ug…………………………   0  -8V

Ia  …………………………  10  9 mA

Gm…………………………  3  2.6 mA/V

Ri  ………………………… 6.7  7.7  kΩ

μ …………………………    20   20

Ia   when Ug=-12.5V            _    1.3mA

Ug  whenIa=-10uA              -  7      -18V

Maximum Rating

class A1

Ua………………………… 450V

Ik………………………… -20mA

Pa ………………………… 5w

Pa(No.1+No2)   ………… 7w

Rg            ……………… 1MΩ

Uhk           ………………±100V 

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