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PSVANE CV181-TII Vacuum Tube Mark TII Series CV181 Electron Valve Lamp replace 6SN7

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New product

PSVANE

$144.76

$154.00

-6%

  • TII Classic Version
  • TII Collector Version
  • Upgrade To Classic Tube
  • 2 PCS
  • 4 PCS
  • 3 PCS

Psvane MARK TII Series tube have two sub version TII Classic version Or TII Collector version

The difference between Classic version and Collector version : It's from the same production line, the best appearance, the best electronic parameters and the timeproof tubes will be selected to Collector Version. The standard quality tube will class to Classic Version.  
​There are the same selection method in the vintage tube, like telefunken select the best ECC83 to create E803CC, Mazda select the best 12AX7 to create their 5 star 3 mica 12AX7 for military or other important instrument use case

"Upgrad to Classic tube option"   if you are purchasing our amplifier who has by default 6SN7(6N8P/6H8C) tubes and you do not want the default tubes and you want upgrade and replace by PSVANE TII Classic version CV181 tube ,  please use this option

Classic version tube is packed with for each tube a small box if you purchase tube only:
cv181-2

Collector version tube is packed with for 2x tube a bigger stronger box like next photo:
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CV181 – TII centre U style audion

used in voltage amplification circuit.

can direct replace 6N8P and SN7GT

Filament heating voltage

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 @Ug=-12.5V            _         1.3mA

Ug@Ia=-10uA              -  7      -18V

Limit rating

Class A1 amplification (per side)

Ua………………………… 450V

Ik………………………… -20mA

Pa ………………………… 5w

Pa(No.1+No2)   ………… 7w

Rg            ……………… 1MΩ

Uhk           ………………±100V

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cv181-1

cv181-3

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All these tube are factory matched tubes