One NOS RCA 5751 (12AX7) Black Plate Triple Mica Military Tube USA #D1

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One NOS RCA 5751 (12AX7) Black Plate Triple Mica Military Tube USA #D1:
$50.00

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One NOS RCA 5751 (12AX7) Black Plate Triple Mica Military TubeShort plateSuper strongTested as new tubes (GM=1250/1250)Gm Test Result: 1900/2000Emission > 150%Made in USA

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One NOS RCA 5751 (12AX7) Black Plate Triple Mica Military Tube USA #D1:
$50.00