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Vacuum Tube - 6L6WXT+, Sovtek

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Item ID: 004746
List Price: $24.95
Starting at: $22.46
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Higher in gain than the 5881WXT, with full base. Sovtek is proud to announce the release of their new 6L6WXT+ vacuum tube. Modelled after the vintage RCA 6L6GC "blackplate," the Sovtek 6L6WXT+ features larger plate dimensions and improved grid structure for increased power handling capabilities. The 6L6WXT+ also features mica spacers with metal springs to eliminate tube rattle and microphonics. The Sovtek 6L6WXT+ yields a 20% higher output than the Sovtek 5881WXT and offers superior tone and overall performance to any 6L6 or KT66. The ultimate 6L6, the WXT+ will improve the sound of any 6L6 guitar amplifier.

Apex Tube Matching
Matched versions of this tube use Apex Matching
Part Numbers
Single or MatchedOur Part NumberUPC/EAN
Apex Matched PairT-6L6WXT+SOV-MP609722124072
Apex Matched QuadT-6L6WXT+SOV-MQ609722124089

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Specifications, Files, and Documents

Product Reviews

3.50 out of 5 based on 6 reviews
2 out of 5

I purchased a matched pair of these for a mesa boogie and they sounded great. Just purchased another matched pair of these for a hotrod deville, one tube had a lighter color paint than the other, the envelope was sort of slanted out of it's base but it worked fine, the other tube looked perfect but rattled and also shorted within 5 mins of playing it, looked like filament short. Tubes were biased correctly, definitely just a bad tube right out of the box as I put in a matched pair of JJs with no problems and all voltages are correct, amp in tip top shape. Will be contacting tubesandmore to see what they can do about replacing the pair.

- May 15th, 2018
4 out of 5

I've tried many 6L6s and some of the Russian alternative tubes. Svetlanna, Grove Tubes, etc and I like these more then any I have tried. More lively, more punch, more dynamic. Not a overly lush or muddy, fat sounding mid to low frequency but surprisingly tight and commanding all the way to the bottom octaves. More live and realistic then any I have heard and exceptional sound stage. When I serviced my Sansui AU-111 and replaced it with a nice Yamaha the sound stage and musicality was astonishingly inferior. Not that the Yamaha was not a nice preamp it's just not in the same stratosphere. The tubes would get a 5 star rating if not for the fact that I have had to swap these out way to often in the two years I've used them. That could be due to a biasing issue with my AU-111 but that's why it's in the shop waiting for a new matched quartet of these. If you are a tubaphile that likes the old mushy airy laid back tube sound you probably will find these too analytical. To me it's the best I've heard with my complement of 12ax7s in this amp. Now I'm just hoping they last once my issue is resolved.

- March 12th, 2018
1 out of 5

Did not like them. Could not bias my amp. Nothing was wrong with the amplifier.

- November 10th, 2015
5 out of 5

I think it is possible for Sovtek to make decent tubes, but not sure at what level of quality control they use. The USA brands of yester-year would destroy a factory second, and they did a lot in interest of stringent quality control. On the first shipment of a matched quad from AES, one tube was just fine, two had very minor shorts, and one had multiple significant shorts and poor Emission. I returned those three tubes and got three more replacements. On the second shipment, one was just fine, two had a minor shorts. I do know know these were different than the ones I sent back the first time because the rate of emission rise was different, slower, which indicates what I call a factory second. A good tube is one that has no shorts, grid leakage, and once energized, the emission rapidly rises as soon as the filament has warmed the cathode. Aging, used tubes start having slower and slower rise of emission upon start up. Eventually, it will not rise to acceptable levels, hence low emission.

- October 19th, 2015
5 out of 5

Clean loud clear, and affordable. These look like they have not changed much over some of the Soviet 5881 copies. They have bigger plates and they sound is fairly clear, clean and the highs are a little less airy than the Chinese valves. Overall, these are a decent choice, and one we use quite a bit.

- March 27th, 2015
4 out of 5

Don't know much about tubes but these brought a lot of life back to my Blues Deluxe amp. Much more clean and punchy..

- October 15th, 2014

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