Note - there are no markings on the glass, the markings have faded or rubbed-off. Sylvania 6SN7GT. Matched Pair +1.
Tube tested very well on our eTracer & Hickok 800A testers. Triode #1 - Plate Current = 1.01mA Rp = 74480 Gm = 1524 Mu = 102.6 Corners = PASS. Triode #2 - Plate Current = 0.99mA Rp = 71938 Gm = 1428 Mu = 104.5 Corners = PASS.
2 Amperex 12AX7 tubes. These tubes were tested on my Hickok TV7 tube tester. The minimum good number for these tubes is 32 They tested at 64-65 and 46-51. They still have lots of life in them.
Sylvania 7025 Radiotron Radio Vacuum Electron Tubes NOS In Original Box ~ T444 Sylvania 7025 Radiotron Radio Vacuum Electron Tubes NOS In Original Box Condition: The Radio Tubes are NOS (New Old Stock). They are in the original box which has been open but the tubes have never been used. Please Check Out My Store For Other Electronics!!! The end of the listing is for storage purposes only Thank you **Please note: We are away from the office for the weekends. If you purchase multiple items on a Friday you may not receive an invoice until Monday afternoon. Questions may also be answered at that time. Thank you for your patience. Please note that we are out of the office over the weekend. If your item is purchased on Friday you may not receive an invoice until Monday afternoon. Questions may also be answered at that time. Thank you for your patience. The letter and number combination at the end of our title is for inventory purposes only.* I will gladly combine items to reduce shipping costs if more than one listing is purchased. If buying multiple items, PLEASE do not pay for the item until you have made all of your selections. Then, located at the top right corner of your cart page, you will find "Request Total". Click there to review your items again and submit the list. We will send an invoice at that time, combining all items into one package to reduce the shipping cost.See my other listings for more items selling at this time.All questions are welcome.Thank you!!! Powered by SixBit's eCommerce Solution
Tested on calibrated TV7-D/U military where a reading of 32/32 = 65% these tubes tested 59/71 & 47-57. Super strong as usual for Sylvania yellow labels.