Search results

WELL, AFTER SERVING ME MERCILESSLY FOR 10 YEARS OF HARD SERVICE, MY HEAD IS FINALLY REQUIRING A RETUBE. THE LAST TUBES I HAD INSTALLED ARE ALL MESA..........THE 6L6'S ALL HAVE A GREEN/YELLOW CODE ON THE BOTTOM BAND..........DOES ANYBODY KNOW WHAT THAT DESIGNATION IS ALL ABOUT? I HAVE RETUBED...