(!!!!) (microphonic singles) JAN-5687WB Tungsol branded Raytheon black plates "U" getter NOS 1950's (5 in stock)
$9.99
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5 microphonic single tubes) JAN-5687WB Tungsol branded Raytheon black plates "U" getter NOS 1950's in white boxes Tested on Amplitrex Vplate=120V Vgrid=-2V Good Ma range 30-35ma Good Gm range = 10K-12K Recommended for Manley Modwright Audio Note Ray Samuels Ayon Kondo Mastersound Audio Thrills Loth
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