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GE GL-6072 FIVE STAR BLACK PLATE NOS VINTAGE TUBE 3 MICA 6072 12AY7 *eTRACER* #4

By |July 23rd, 2026|

Tested on both our eTracer curve tracer, and Hickok 800A testers. Triode #1 - Plate Current = 3.32mA Rp = 24742 Gm = 1572 Mu = 40.9 Corners = PASS. Triode #2 - Plate Current = 2.87mA Rp = 30803 Gm = 1452 Mu = 41.6 Corners = PASS Gm Nominal = 1250 Minimum Good = 700.

GE GL-6072 FIVE STAR BLACK PLATE TUBE 3 MICA NOS NIB 6072 12AY7 *eTRACER* #2

By |July 23rd, 2026|

Tested on both our eTracer curve tracer, and Hickok 800A testers. Triode #1 - Plate Current = 2.87mA Rp = 24036 Gm = 1752 Mu = 42.1 Corners = PASS. Triode #2 - Plate Current = 2.67mA Rp = 28385 Gm = 1651 Mu = 41.5 Corners = PASS Gm Nominal = 1250 Minimum Good = 700.