Sovtek replacement tubes kit for the B52 ST60. Standard set, selected for best all-around sound upgrade. The set includes the following tubes:
5x 12AX7LPS Sovtek
1x 12AX7LPS Sovtek Balanced
1x 12AT7 EH
1x 5AR4 Sovtek
2x 6L6WXT Plus Sovtek Platinum Matched
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