Current filter
Single Tube, not matched JJ KT77 - Red Label Files:
2 tubes, matched as pair A powerfull bass with crystal clear highs - this is the KT88 by JJ. This tubes works perfect with any kind of KT88 / 6550 amp
Files:
4 tubes, matched as quad A powerfull bass with crystal clear highs - this is the KT88 by JJ. This tubes works perfect with any kind of KT88 / 6550 amp
6 tubes, matched as sextett A powerfull bass with crystal clear highs - this is the KT88 by JJ. This tubes works perfect with any kind of KT88 / 6550 amp
Single tube, not matched A powerfull bass with crystal clear highs - this is the KT88 by JJ. This tubes works perfect with any kind of KT88 / 6550 amp
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