Tested on both our eTracer curve tracer, and Hickok 800A testers. Triode #1 – Plate Current = 2.79mA Rp = 26727 Gm = 1614 Mu = 43.1 Corners = PASS. Triode #2 – Plate Current = 2.75mA Rp = 26421 Gm = 1604 Mu = 42.4 Corners = PASS Gm Nominal = 1250 Minimum Good = 700.
6072 SYLVANIA 12AY7 17MM GREY PLATE VACUUM TUBE NOS NIB *CURVE TRACER TESTED*
Triode #1 – Plate Current = 2.68mA Rp = 24266 Gm = 1735 Mu = 42.1 Corners = PASS. Triode #2 – Plate Current = 2.83mA Rp = 23106 Gm = 1813 Mu = 41.9 Corners = PASS. Triode #1 – Plate Current = 2.81mA Rp = 23096 Gm = 1800 Mu = 41.6 Corners = PASS.
GE GL-6072 FIVE STAR BLACK PLATE TUBE 3 MICA NOS NIB 6072 12AY7 *eTRACER* #2
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.
GE JG-6072A 1963 Red Tip/triple mica/black plate/low noise (1) tube lot
I test all tubes thoroughly and with great care. I test to the best of my ability, and I report all results honestly.
Sylvania 6072 12AY7 Audio Tube TESTED Strong 102/97 min 55
Sylvania 6072 12AY7 Audio Tube. Tested strong @ 102/97 with a min 55/55.
NOS RCA 6072 Black Plate
NOS RCA 6072 Black Plate
GE 12AY7 6072 TIGHT MATCH PAIR SHORT PLATE HALO GETTER NOS+ NIB VINTAGE 1970’S
Average NOS test results for 12ay7’s 1250 microhmos on the Hickok 600A.
Matched Pair JG-6072 GE/LEAR Vacuum Tube 12AY7 Military Grade Amplitrex TESTED
Matched Pair JG-6072 GE/LEAR Vacuum Tube 12AY7 Military Grade Amplitrex TESTED.
GE JG-6072A Vintage 1965 Black Plate Audio NOS Tube Trio (test well)
Audio Rectifier Tubes (5Y3, 5U4, GZ34, etc). This is a nice set of three GE JG-6072A tubes. They feature black plates, a round getter, a single support rod, and matching date codes of “65-43”. The minimum on a TV-3 is 32, and NOS spec is about 49.
GE GL-6072 FIVE STAR BLACK PLATE TUBE 3 MICA NOS NIB 6072 12AY7 *eTRACER #12C15
Tests within in the dataset expected for a new tube based on datasheet specs, on our eTracer curve tracer. 6072 are ruggedized 12AY7, sought after for vocal preamplifiers, guitar amplifiers and hi-fi systems.