Carbonized Black Plate 5Y3GT;. Smoked Black Glass 6V6GT;. Long Plate, Dimple D-Getter Late 1950s Balanced 12AX7.
Item Tag: 12AX7 6V6 5Y3GT
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RCA 1960s’ Fender Champ 5F1 Tweed Amp Tubes Set 6V6GT 5Y3GT 12AX7A USED-TEST NOS
Carbonized Black Plate 5Y3GT;. New & Balanced Testing Silvertone era 12AX7A (Triodes test @102%/104%). Smoked Grey Glass, Late 1950s 6V6GT ;.