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JJ Tubes 6L6 GC Power Tubes (Matched Pair)


(4 reviews)


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Discounted Price $39.95
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Discounted Price $39.95
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JJ Tubes are known for known for their high quality, durability, and their excellence in tone. Formerly produced by Tesla, JJ tubes are still made to exacting standards. They work well in all applications. Includes (2) 6L6 GC power tubes, sold as a matched pair.

Things You Will Get:

  • (2) Output Tubes; 6L6 GC

Nice tubes, reasonable price


Had an issue with some tube rattle in a pair of Sovtek tubes. Switched out for these ones, and it immediately solved my problem. Warmed up the tone of the amp a bit, too. Very satisfied.



Fast shipping. Excellent quality tubes


I installed these in my 30 year old Roland bolt 60. At first I thought there was something weird because there was a blue glow but then I found out that it's actually very healthy for tubes. They sound really nice and warm and very responsive even at low volumes.


Allentown PA




I snagged this matched pair of JJ's to replace a blown stock Ruby 6L6 set - after biasing to my amps specifications, this set of tubes truly helped my Diavlo RD100h unleash it's inner beast - I noticed that it was factory-biased a lot lower than recommended, and after throwing these in and setting everything up, it truly screams - I'm VERY happy with these and will be buying another set soon, and probably a backup set! Get these! They're built well and work great!


McGregor, TX


Best current production tube


I have used JJ's for years, and always have good results, no matter what they go into. JJ's handle more (plate) voltage than any other brand of tube, and work really well in harsh conditions for long periods of time (amp cranked to 10 for an entire show). I have never found any JJ tubes that were harmonic or had construction issues. These tubes also are not [*] junk tubes like groove tubes are; no matter what grade of tube groove tubes has, JJ is better. Period. With a proper bias, these tubes last an exceptionally long time even with lots of use. This is the best buy for a duet of 6L6's.

Hendershot Instrument Repair

Dayton, OH


6L6 GC Power Tubes (Matched Pair)

5.0 4


Model T-6L6GC-JJ-MP
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