SYLVANIA 12AX7 ECC83 TUBE PAIR (circa 50s square getter TESTED STRONG) ***
12AX7 ECC83 TUNG SOL AVO TESTED from Icon Audio UK
2PACK gold plated 9pin bakelite tube socket testing saver for 12AX7 ECC83 5670
2x gold plated 9pin bakelite tube socket testing saver for 12AX7 ECC83 5670
12AX7 ECC83 GENALEX GOLD LION GOLD PINS AVO TESTED from Icon Audio UK
TELEFUNKEN 12AX7 ECC83 TUBE (ripple plate 1961 Berlin strong tested) ***
