Home > Shop by Amp > Marshall Amps > JTM45 / 100 > JTM45/100 Premium Package Tube upgrade package includes... 2 pairs (Matched quartet) - Gold Lion KT66$77.95Price is for a: matched pair 4 - Mullard 12AX7 / ECC83$17.95, 5 for $79.75Additional Options: NoneMatched Sections (+5.00) Total package cost: $227.70 Top of Page The easiest way to buy vacuum tubes. How to Order - Email Us - Links - Privacy Policy Copyright © 1999 - 2010 The Tube Store Inc. All rights reserved.