JJ Electronic replacement tubes kit for the Marshall 900 series (all models that shipped with EL34 tubes). Special selection set, selected for best crunchy clean channel and hand selected punchy high gain power tubes set. Hand selected high gain tubes set. The set includes the following tubes:
2x JJ ECC83S
1x JJ ECC83S Balanced
2x JJ 6L6GC Platinum Matched
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