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.
Item Tag: JG 6072A
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.
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JG-6072A GE 1965 Black Plate/Pizza Pan Getter NOS/NIB MaxiPreamp2/TV7 tested
I test all tubes thoroughly and with great care. I test to the best of my ability, and I report all results honestly.
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GE Beautiful Black Plate JG-6072A Vacuum Tube Amplitrex Tested 111/94% Gm
GE black plate JG-6072A vacuum tube, tested 111/94% Gm. 100% represents what you would expect from a NOS tube on our Amplitrex and 65% is considered too low to use.
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GE JG 6072A Tubes Two Mica Short Black Ribbed Plate Halo Foil Getter NOS Pair
Up for sale is a pair of GE JG 6072A double mica short black ribbed plate with halo foil getter NOS in original boxes.