JJ Electronic replacement tubes kit for the Marshall 800 series 100W amps with Reverb (models 2205, 4210 and 4212). Special selection set: uses KT77 tubes for enhanced clarity and warm smoothness. Hand selected high gain tubes set. The set includes the following tubes:
4x JJ ECC83S
1x JJ ECC83S Balanced
4x JJ KT77 Platinum Matched
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