Current filter
Single tube, not matched Superior power Beam tetrode with large plate dimensions and improved grid structure for increased power handling capabilities. Excellent tone and performance compared to most other 6L6 or KT66 types.
2 tubes, matched as pair 5881 Tube by JJ
4 tubes, matched as quad 5881 Tube by JJ
Single tube, not matched 5881 Tube by JJ
JJ 6L6 - #16 - Mesa RED
JJ 6L6 - #17 - HOT GRADE
JJ 6L6 - #19 - Mesa GREEN - GRAY
Maximum quantity per order: 1 quad tubes, matched as quad KT66 is a beam power pentode with an octal base and power of 25W. It has a powerful sound with a lot of headroom.
Files:
Bias probe for indirect measurement of quiescent bias current of a tube. The adapter is inserted between the tube and the socket and gets connected to a standard voltmeter (not included). Pay attention to the quality of the measuring device and sufficiently charged batteries!
2 tubes, matched as pair The Sovtek 5881 delivers a warm, round tone that "sweetens" any vintage or modern guitar amp design. Chances are if an amp uses 6L6-style output tubes, it has Sovtek 5881's in its sockets. Built to rigid military standards, the 5881 will tolerate higher voltages than any other 6L6. In fact, they're frequently used as replacements for the old 7027 model in vintage Ampegs.
4 tubes, matched as quad The Sovtek 5881 delivers a warm, round tone that "sweetens" any vintage or modern guitar amp design. Chances are if an amp uses 6L6-style output tubes, it has Sovtek 5881's in its sockets. Built to rigid military standards, the 5881 will tolerate higher voltages than any other 6L6. In fact, they're frequently used as replacements for the old 7027 model in vintage Ampegs.
Single tube, not matched The Sovtek 5881 delivers a warm, round tone that "sweetens" any vintage or modern guitar amp design. Chances are if an amp uses 6L6-style output tubes, it has Sovtek 5881's in its sockets. Built to rigid military standards, the 5881 will tolerate higher voltages than any other 6L6. In fact, they're frequently used as replacements for the old 7027 model in vintage Ampegs.
Sovtek 6L6 WXT+ / STR430 - #16 - Mesa RED
Sovtek 6L6 WXT+ / STR430 - #17 - HOT GRADE
Sovtek 6L6 WXT+ / STR430 - #19 - Mesa GRAY
2 tubes, matched as pair The 6L6WXT+ features larger plate dimensions and 20 percent higher output than the Sovtek 5881WXT. Extremely low noise and a excellent detailed and harmonic sound, plenty of power and very easy to handle - even while using in "hot" setups.
4 tubes, matched as quad The 6L6WXT+ features larger plate dimensions and 20 percent higher output than the Sovtek 5881WXT. Extremely low noise and a excellent detailed and harmonic sound, plenty of power and very easy to handle - even while using in "hot" setups.
Single tube, not matched The 6L6WXT+ features larger plate dimensions and 20 percent higher output than the Sovtek 5881WXT. Extremely low noise and a excellent detailed and harmonic sound, plenty of power and very easy to handle - even while using in "hot" setups.
2 tubes, matched as pair TT 6L6 NG - Selected and tested by hand, suitable as a direct replacement type for all 6L6GC and 5881 tubes.
4 tubes, matched as quad TT 6L6 NG - Selected and tested by hand, suitable as a direct replacement type for all 6L6GC and 5881 tubes.
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