Tubes Vacuum

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...

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...

RCA 6JB6A RL Drake Radios, NOS Tested & Guaranteed #1  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...

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...

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...

RCA 6LQ6 / 6JE6C Amplifier Tube for HF Amplifiers Tested & Guaranteed NOS  This tube  and all others, has been tested on a B&K Dynaquick 700 Tube tester. It shows grid full emission. This tube...

RCA 6LQ6 / 6JE6C Used Amplifier Tube for HF Amplifiers Tested & Guaranteed  This tube  and all others, has been tested on a B&K Dynaquick 700 Tube tester. It shows grid full emission.   The 6LQ6 is a...

RCA 810 Vacuum Tube, High Power Transmitting Triodes NOS in the Original Box #1  This one has a 1981  date code 81-30   **All the tubes I sell are tested and come with a money back, satisfaction...

RCA 810 Vacuum Tube, High Power Transmitting Triodes Used, Tested, in Excellent Condition   **All the tubes I sell are tested and come with a money back, satisfaction guarantee**   Each one of the...