4-tube for sale, brand-new and used.

Here we have a Precision Vacuum Tube Tester 920/ 954 series etc "B" Selector Switch ( Tested ) This was removed from a working 920 Precision Tube tester. I occasionally cannibalize a working piece of equipment to use the working parts to fix 7 or 8 others. Sacrifice one to get many more working.

Here we have a Precision Vacuum Tube Tester 900+ series "A" Selector Switch ( Tested ) This was removed from a working 920 Precision Tube tester. I occasionally cannibalize a working piece of equipment to use the working parts to fix 7 or 8 others. Sacrifice one to get many more working.

Here we have a Precision Tube Tester 920/954 etc "E" Selector Switch This was removed from a working 920 Precision Tube tester. I occasionally cannibalize a working piece of equipment to use the working parts to fix 7 or 8 others.

Here we have a Precision Tube Tester 920/954 etc "F" Selector Switch Tested This was removed from a working 920 Precision Tube tester. I occasionally cannibalize a working piece of equipment to use the working parts to fix 7 or 8 others.

Here is a NOS Sylvania 19AU4 Vacuum Tube TV7 Tested Photos Photos shown in this listing are of the actual item

Here is a RCA 6AV5GA Audio Radio Vacuum Tube TV7 Tested. Photos Photos shown in this listing are of the

Here we have RCA? 12AX7 Grey Plate BALANCED Top O Get Vacuum Tube Hickok Tested Hickok 752A Tested at 325/200 & 350/200 where 200 is the minimum Good value for this type of tube I have having a bit of a stab at the make as it looks identical to some RCA ones I have.

Here we have a NOS National 6BL8 ECF80 Grey Plate Foil Getter Vacuum Tube TV7 Tested 100%+rbox Reboxed as the original would have offered no protection during shipping. New Old Stock.. TV7 Tested

Here we have a Baldwin Organs ( Raytheon ) 12AX7 TV7 Tested Vacuum Tube Strong TV7 Tested. I have more than one of these for sale. The pictures shows one of the tubes on offer.

Here is a NOS Sylvania 6CD6GA Audio Vacuum Tube TV7 Tested Photos Photos shown in this listing are of the actu

Here we have a Dumont NOS ( Re-Boxed )12GN7A / 12HG7 Vacuum Tube TV7 Tested 100%+ New Old Stock. Re-boxed as the original would have offered no protection for the tube during shipping

Here we have a NOS Thordarson 21F87 Bi 6.3V 3A Vacuum Tube Filament Transfomer Pri- 115VAC 50/60 Htz Sction 1- 6.3V VCT at 3ASction 2- 6.3V VCT at 3A New Old Stock. From years of storage some of the paint has flaked on the main body. TESTED OK.

Here is a NOS Sylvania 6CL6 Audio Amplifier Vacuum Tube TV7 Tested Photos Photos shown in this listing are of

Here is a NOS Sylvania 12BQ6GTB / 12CU6 Vacuum Tube TV7 Tested Photos Photos shown in this listing are o

Here is a NOS Sylvania 6U8A / 6AX8 / 6KD8 Vacuum Tube TV7 Tested Photos Photos shown in this listing are of th

High Temp Quartz Diffusion Tube Holder, Handler, Hot Tube Handling Device Quartz Boat/Tube Puller Measurements: Handle: Screw: 1.25" from handle Length: 7" Long to Fork Width: 1.0" ID Width: 1.4"~OD End (Fork): 5.25" Wide OD 2.5" Long OAL: 12" Information from the Patent: HOT TUBE HANDLING DEVICE

This is an energy compensated geiger counter probe tube. This is the TUBE ONLY. It has a 420 to 550V LND tube inside with a lead and cadmium filter to make the response normal over the entire detection range.

NOTE: THIS IS A STOCK PHOTO. THE SWITCH YOU WILL RECEIVE WILL AS GOOD OR BETTER THAN PICTURED. IT MAY BE A DIFFERENT BRAND BUT WILL HAVE THE SAME DESIGN.