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%/100%). Smoked Grey Glass, 1965 Silvertone 6V6GT ;.

eBay