Tung-Sol 6SL7GT JAN-CTL VT-229 Black Glass Round Plate – Holy Grail Tube NOS+

Test Results (Hickok 600A): 1450 / 1450 (bogey = 1250) — both triodes teststrong NOS+. Testsstrong above NOS on both triodes. Construction: Black glass, dual round plates, top mica support, side getter.

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