Tungsol replacement tubes kit for the Mesa Mark 5. Standard set, selected for best all-around sound upgrade. The set features Gold Tubes as preamp tubes. The set includes the following tubes:
6x ECC803S Tungsol Gold
1x ECC803S Tungsol Gold Balanced
1x 5U4GB EH
4x 6L6GC STR Tungsol Platinum Matched
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