Tungsol replacement tubes kit for the Mesa Mark 1. Vintage set, selected for best vintage-stlye sound upgrade. The set includes the following tubes:
3x 12AX7 / ECC83 Tungsol
1x ECC81 Tungsol
1x 12AX7 / ECC83 Tungsol Balanced
4x 6V6GT Tungsol Platinum Matched
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