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  1. SYLVANIA JAN CHS 6SL7GT VT-229 Valve Tube 1954 Tested NOS (K1016)

    SYLVANIA JAN CHS 6SL7GT VT-229 Valve Tube Black rolled plates Dimple foil getter Code SC966A Date code A 4 January 1954 Hickok test = 1600/1650 New unused

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  2. RCA 6SL7GT COIN BASED TUBES, MATCHED PAIR, BLACK PLATES, ORIGINAL BOXES, VGC,

    BLACK PLATES WITH SIDE HALO GETTER. RARE TO GET IN NICE CONDITION LIKE THIS, A LITTLE RUBBING TO THE PRINT ON THE TOP AND SIDE OTHERWISE IN MINT CONDITION.

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  3. 6SL7GT JAN RCA VT229 NOS VALVE TUBE

    JAN VT229 MILITARY SPEC. 6SL7GT RCA.

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  4. Brimar 6SL7GT Grey Plate Valve Tube Used Tested (V1)

    English Made 6SL7GT CV1985 Valve Tube. Grey Anodes, Rectangular Getter. This Valve Fully Tested on Avo VCM 163. Ia 2.15/2 - Gm 1.2/1.

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  5. RCA 6SL7GT VT-229 Valve Tube Used Tested (V61) #1

    6SL7GT VT-229 Valve Tube. RCA, Made in USA. Fully Tested on AVO VCM 163.

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  6. SYLVANIA 6SL7GT VT-229 Valve Tube Used Tested (V60)

    6SL7GT VT-229 Valve Tube. SYLVANIA, Made in USA. Black Plates, Dimpled Foil Getter.

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  7. 2 PCS 6N9S /6SL7 / 6SU7 / 1579.TANTAL.DOUBLE TRIODE.ETRACER TESTED.1950'.

    The radio lamp has a glass body, which is mounted on the octal base. • Gain of each device (triode): 70.

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  8. MATCHED PAIR 6N9S/6SL7/6SU7/1579. MELZ.METAL BASE.DOUBLE TRIODE.ETRACER TESTED.

    # Etracer quick-test report. gm:1609 umhos, reference:1600 umhos, percent: 100.6 %. rp:47479 ohms, reference:44000 ohms, percent: 107.9 %. current:1.85 mA, reference:2.30 mA, percent: 80.3 %. mu:74.9 V/V, reference:70.0 V/V, percent: 106.9 %.

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