TWO RARE MULLARD MC1 ECC83/12AX7 IN EXCELLENT CONDITION VALVES(TESTED)
YOU ARE LOOKING AT TWO RARE EXCELLENT CONDITION MULLARD ECC83/12AX7 MC1 SERIES LONG BLACK PLATES. MC1 SERIES VALVES ARE THE HOLY GRAIL AND ULTIMATE AUDIOPHILE VALVES. VALVE CODE IS:1 MC1 B7H. VALVE CODE IS:2 MC1 B5K.