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  1. 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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  2. NOS PAIR GE 6SL7GT Foil D Getter Vintage AUDIO Amplifier VACUUM TUBES 2.7721-D

    Pair GE 6SL7GT. Bottom Foil-D Getter. AMPLIFIER TYPE TUBES. AUDIO VACUUM TUBES. NOS w/ 2 Original Boxes Included.

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  3. Brimar CV1985 6SL7GTY Brown Base Double Triode Valve Tube Tests Good England

    Brimar CV1985 6SL7GTY Brown Base Double Triode Valve Tube Tests Good England See photos for condition. Tests good on Taylor Model 45C valve tester. Triode 1 mutual conductance reading Gm 1.3 Triode 2 mutual conductance reading Gm 1.5 100% factory data in Taylor manual at Gm 1.7 UK shipping with MyHermes Tracked or Royal Mail. International shipping with Royal Mail International Tracked. I will combine postage on multiple valve orders. See my other listings!

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  4. MATCHED PAIR RCA 6C8G (6SL7 Sub**) Round Black Plate Audio VACUUM TUBES A.8956

    MATCHED PAIR RCA 6C8G. 6C8G = Sub for 6SL7GT with Adapter (adapter not included). Date Codes Matched = S5. Premium Audio Tubes. Black Round Plates. Clear Glass.

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  5. 6SL7GT VT229 KEN-RAD NOS VALVE TUBE

    VT229 MILITARY SPEC. 6SL7GT KEN-RAD.

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  6. 6SL7GT Grey Glass D Getter NOS RCA USA Valve Tubes (VT31)

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  7. 2x 6N9S ( 6Н9С ) = 6SL7 = 1579 MELZ Metal Base Matched Pair Tested Rare Triodes

    6N9S Double Triode tubes. Two tubes in one lot - matched pair.

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  8. MATCHED QUAD 6N9S (6H9C) / 6SL7 / 1579 MELZ TUBES. NEW. METAL BASE.

    RARE 1950's. TUBES NOS. These tubes are interchangeable with tubes 6N9S, 6H9C, 6SL7, 1579.

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