Tubes Vacuum

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...

RL DRAKE 2-B TUBE KIT 1, 6BZ6 1, 6U8 1, 6BF6 1, 8BN8 3, 6BE6/5750 1, 6BA6/5749W 1, 6AQ5/6005 1,6X4 All NOS Tubes,  This kit was purchased from K5SVC and was not used so I am selling it at a discount. BE SURE TO CHECK YOUR RECEIVER TUBE REQUIREMENTS...

This RL DRAKE R-4A TUBE KIT (14 TUBE VERSION). 1-0B2, 1-6EH5, 1-6KZ8, 4-12BA6, 1-12BE6, 1-12AV6, 1-12BZ6, 1-6HS6, 1-12AX7, 1-6GK6, 1-6AU6. has ALL NEW NOS TUBES  This kit was purchased from K5SVC and was not used so I am selling it at a discount. BE...

This Star SR-700A / ST-700 Complete NOS Vacuum Tube set, were sold by K5SVC who offers several different set for many brands of vintage gear. My price is far less that this kit was sold for. This set for the Star twins includes all NOS and tested tubes...

This Star SR-700A / ST-700 Complete NOS Vacuum Tube set, were sold by K5SVC who offers several different set for many brands of vintage gear. My price is far less that this kit was sold for. This set for the Star twins includes all NOS and tested tubes...

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...