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NJRT Tung-Sol 6SN7GTB Tall Glass V Plates Halo Gett Tube TV7&Maxi Test NOS NIB🎧
Near perfectly balanced sides for both GM and gain. Gain: (20.2 & 19.8) MU and side balance. Mutual Conductance (GM)Test: 96 & 96 (77 = NOS Average & 50...