Tubes Vacuum

This Tube has been tested on a Dyna-Quick Model 700 Dynamic Mutual Conductance Tube Tester. This tube measures 95% Grid Emission.  The tube in the photograph is the actual Tube in this listing. The original box was not in good shape This tube comes...

This Tube has been tested on a Dyna-Quick Model 700 Dynamic Mutual Conductance Tube Tester. All NOS tubes I sell measure 100 % Grid Emission.  The tube in the photograph is the actual Tube in this listing...

This Tube has been tested on a Dyna-Quick Model 700 Dynamic Mutual Conductance Tube Tester. All NOS tubes I sell measure 100 % Grid Emission.  The tube in the photograph is the actual Tube in this listing...

This Tube has been tested on a Dyna-Quick Model 700 Dynamic Mutual Conductance Tube Tester. This tube measures 100 % Grid Emission.  The tube in the photograph is the actual Tube in this listing...

This Tube has been tested on a Dyna-Quick Model 700 Dynamic Mutual Conductance Tube Tester. This tube measures 100 % Grid Emission.  The tube in the photograph is the actual Tube in this listing...

This Tube has been tested on a Dyna-Quick Model 700 Dynamic Mutual Conductance Tube Tester. This tube measures 100 % Grid Emission.  The tube in the photograph is the actual Tube in this listing...

This Tube has been tested on a Dyna-Quick Model 700 Dynamic Mutual Conductance Tube Tester. This tube measures 100 % Grid Emission.  The tube in the photograph is the actual Tube in this listing...

NOTE: I only have a small number of these New old Stock 6293 / 6146 Tubes. At some point the original boxes got damp and were not in good shape. The tubes are in new condition. Each tube is in a generic box. This Tube has been tested on a Dyna-Quick...

NOTE: I only have a small number of these  6293 / 6146 Tubes. At some point the original boxes got damp and were not in good shape. The tubes have very slight pitting on the metal  portion of the tube so I am selling them at a (used) price This...

RCA 6JB6A Used for RL Drake Radios, Tested & Guaranteed  6JB6 and 6JB6A tubes are interchangeable This 6JB6 / 6JB6A tube is in excellent condition and appear to be NOS and tests the same. This tube and all others, has been tested on a B&K...

RCA 6JB6A Used for RL Drake Radios, Tested & Guaranteed  6JB6 and 6JB6A tubes are interchangeable This 6JB6 / 6JB6A tube is in excellent condition and appear to be NOS and tests the same. This tube and all others, has been tested on a B&K...

RCA 6JS6C Used Tube for the Yaesu FT-101 Series Transceivers Tested & Guaranteed  This tube and all others, has been tested on a B&K Dynaquick 700 Tube tester. It shows grid full emission. The 6JS6C is a vintage vacuum tube classified as a...