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Tubes

Matched pairs of triodes are matched by their Mu (voltage gain) and Rp (plate resistance) values with Amplitrex tube tester - the only tube tester that is able to measure both these parameters. Additional details on properly matching triodes are available at the following post of our Forum.

Matched pairs of pentodes are matched by their Gm (transconductance) values with Amplitrex tube tester. Additional details on properly matching  pentodes are available at the following post of our Forum.

6H30Pi 6922 Matched Pair of 6H30Pi Matched Pair of 6922
6H30Pi   6922   Matched Pair 6H30Pi   Matched Pair 6922  
$30.00   $18.00   $60.00   $36.00  
 
 
 
 
               
               
               
               
               
               
               
               
               
               
               
               
               
               
               
 
 

 

 

 
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