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  1. 2 x 5U4GB JJ Rectifier Valves

  2. JJ 5U4GB. Rectifier Valves. Matched Pair.

    Bought about 10 months ago. Genuine bargain for quick sale.

    eBay

  3. Electro-Harmonix 5U4gb Eh Vacuum Tube

  4. (2) NOS RCA 5U4GB TALL BOTTLE TUBES f/ AUDIO AMPLIFIER / HAM RADIO / TELEVISION

    eBay

  5. Hewlett Packard HP 5U4GB by RCA Black Plate FW Rectifier Valve Tube Tests Good

    Hewlett Packard HP 5U4GB by RCA Black Plate FW Rectifier Valve Tube Tests Good See photos for condition. Tests good on Taylor Model 45C valve tester. 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!

    eBay

  6. Matched Pair NOS Dumont 5u4 5U4GB Carbonized Grails black plates Rectifiers

    NOS tubes fall within the Gm characteristic range of an average tube, as published in the RCA RECEIVING TUBE MANUAL, which states "Individual tubes, like any manufactured product, may have characteristics that range above or below the values given.

    eBay

  7. GE 5U4GB/5AS4A RECTIFIER TUBE, SIDE D GETTER, BEAUTIFUL TUBE ORIGINAL BOX, VGC

    SENSIBLY EQUIVALENT TO A U52 TUBE.

    eBay

  8. RCA 5U4GB Black Plate Valve Tube Used Tested (V32)

    5U4GB Rectifier Valve Tube. RCA, Made in USA. Fully Tested on AVO VCM 163.

    eBay

  9. 1 NOS 5U4 5U4GB Rare TUNGSOL BLACK PLATE DOUBLE O GETTER Rectifier

    NOS tubes fall within the Gm characteristic range of an average tube, as published in the RCA RECEIVING TUBE MANUAL, which states "Individual tubes, like any manufactured product, may have characteristics that range above or below the values given.

    eBay

  10. Nos Matched Pair 5U4 GB Old Coveted Black Plates Silvertone / Sylvania Tubes

    NOS tubes fall within the Gm characteristic range of an average tube, as published in the RCA RECEIVING TUBE MANUAL, which states "Individual tubes, like any manufactured product, may have characteristics that range above or below the values given.

    eBay

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