Electro Harmonix replacement tubes kit for the Mesa Mark 1. High gain set, selected for best crunchy and punchy lead tone. The set includes the following tubes:
3x 12AX7 EH
1x 12AT7 EH
1x 12AX7 EH Balanced
2x 6L6GC EH Platinum Matched
2x EL34 EH Platinum Matched
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