Tubes Vacuum

GE 5R4GYA Rectifier Tubes 1960s Date Codes NOS Tested / Guaranteed   This Tube and all others I sell, have been tested on a B&K Dyna-Quik Model 700 Dynamic Mutual Conductance Tube Tester and tests at or close to a NOS full Emission /Tube.  ...

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...

General Electric 810 Vacuum Tube, (GL-810) 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 stock I have, has been...

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...

General Electric 100TH / VT-218, (Replacement for the 75TH) 100 Watt High-Mu Power Triode for Amplifiers & Modulators Used Tested...

General Electric 100TH / VT-218, (Replacement for the 75TH) 100 Watt High-Mu Power Triode for Amplifiers & Modulators Used Tested...

General Electric 5U4GB Vintage 1960s Rectifier Tube NOS in Box Tested / Guaranteed   This Tube and all others I sell, have been tested on a B&K Dyna-Quik Model 700 Dynamic Mutual Conductance Tube Tester and tests at or close to a NOS full...

This Tube has been tested on a Dyna-Quick Model 700 Dynamic Mutual Conductance Tube Tester. This tube measures 100% Grid Emission. The original box was not in good shape This tube comes in a generic tube box...

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

General Electric 6678 (rugged) 6U8A New Old Stock Vacuum Tubes Sleeve of 5  This Sleeve of 5 tubes are new old stock and guaranteed full emission. Shipping is free in the USA The 6678 is a miniature dual-section vacuum tube combining a medium-mu...

General Electric 6AQ5W / 6005 New Old Stock Vacuum Tubes Sleeve of 5 GE 6AQ5W Vacuum Tubes: The GE 6AQ5W (also known as the ruggedized JAN military variant of the 6AQ5/EL90/6005) is a popular miniature beam power pentode valued for its reliability in...

This General Electric 6BF5 Audio Tube Sleeve of 5, are brand new tubes. this is the audio tube that has a lot of gain and is used in the Collins S-Line receivers.  It tends to run hot because of the high gain so it is nice to have some spares. I...