Digital Vacuum Tube Tester, Duovac 1

  • $480.00
Shipping calculated at checkout.


This  tester is ready to use and can work with most audio tubes, 
from small triodes: 12at7, 12au7, 12ax7,6sl7,6sn7 to power triodes / pentodes like: 2a3, 300b, el84, 6v6, 6l6, el84, el34, kt66, kt88, etc...

Transconductance ( Gm ), Internal resistance ( Rp ) and Gain ( µ ) can easily be calculated using 2 simple measurements.

Rectifiers and diodes can also be tested.

Please download the documentation of the tester if you need: 

documentation download.EN 

documentation download.FR

documentation download.DE


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