12AX7 ECC83 1951 PELTRO KEN-RAD USA AMPLITREX TESTATO NOS TUBE HOLY GRAIL ARSENAL
Specific models that use this number of 12AX7s include the. 1951 KEN-RAD 12AX7 SINGLE TUBES PRICE IS EACH! RATED #1 12AX7 TUBE FOR YOUR GUITAR ARSENAL! 1951 KEN-RAD 12AX7 ECC83. KEN-RAD "HOLY-GRAIL" OF THE 12AX7's.