NOS USGI Surplus. These are pretty neat look to be from the 1960s.
Item Category: Vintage Electronics
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6V6GT Smoked Glass Tube New (New Old Stock) Test NEW 1 Year Warranty
Reference tube is tested first then the tube listed for sale. Test procedure.
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AA5 Miniature Tube Var. complete replacement set NOS 12BE6 12BA6 12AT6 50B5 35W4
AA5 Miniature Tube Variety. sections of a single tube. Within 3% I consider to be ‘Balanced’. Clean tubes will radiate heat better & operate cooler. Test results may differ between various testers for many reasons such as technical design, aging components, etc.
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4pcs 6N1P-EV / 6Н1П-ЕВ ~ E88CC, 6DJ8 Triode Vacuum Tube NEVZ Soviet 70-80s NOS
6n1p-Ev / 6Н1П-Ев ~ E88cc, 6dj8 Triode Vacuum Tube Nevz Soviet 70-80s Nos 6n1p-Ev / 6Н1П-Ев ~ E88cc, 6dj8 Triode Vacuum Tube Nevz Soviet 70-80s… 6n1p-Ev / 6Н1П-Ев ~ E88cc, 6dj8 …. 6n1p-Ev / 6Н1П-Ев ~ E88cc, 6dj8 Triode Vacuum Tube Nevz Soviet 70-80s Nos_1 6n1p-Ev / 6Н1П-Ев ~ E88cc, 6dj8 Triode Vacuum Tube Nevz Soviet 70-80s… 6n1p-Ev / 6Н1П-Ев ~ E88cc, 6dj8 ….
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NOS Philco Star Light 12BH7A Vacuum Tube, Tested, with Closely Matched Sections
The twin triode sections are closely matched for both emission and transconductance, test results below. Mutual Conductance test on TV-7A/U of 81 & 76 (30 minimum). Mutual Conductance test on B&K 747 of 92 & 93 (65 minimum).