JJ Fender Blues Jr / Pro Jr Tube | Vox AC15 Upgrade Kit, 2x EL84, 3x 12AX7/ECC83
The JJ EL84 has nice mids, sparkling highs and solid bottom end characterize this tube. The JJ 12AX7/ECC83 is a well balanced, higher gain preamp tube, that is not as noisy even given the larger plate structure.