Vox AC30 / Peavey Classic 30 JJ Electronics Retube Kit (4x JJ 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.
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