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This sale is for 4 match used Sovtek 5881 WXT or 6L6. 5881 is Europen way of labeling these 6L6.6L6 os the american way.
ll tubes have been test the first of october 2023 on a Continental 2 machine; Sencore MV150
The quad tube are test at 70 they they are litely used.
These tubes do not contain their original box. I
On internet some says that these tubes from Sovtek last really long compare to others.
I find some adequate box for transportation. They will be securely packed.
#8 Test 70 Date of production 2003-10
# 9 Test 72 date of production 2003 10
#10 test 72 Date of production 2005 02
#11 Test 70Date of production 2005 02
Description of the sound from a internet critic:
The
Sovtek 5881WXT tube is a reliable beam tetrode delivering a warm,
round tone that "sweetens" any vintage or modern guitar
tube amp design. Built to rigid military standards, the Sovtek
5881WXT will tolerate higher voltages than most other 6L6 tubes. This
tube is commonly found relabeled by Fender and Groove Tubes to
GT-6L6B. Mesa Boogie relabels them STR425.
From our
review of
the Sovtek 5881-WXT tube: "Solid construction and good
performance. The 5881WXT is probably the most commonly used tube of
its type. Many amp manufacturers have been using these reliable
workhorses as original equipment components. A good choice for
general purpose use but not as rich in harmonic content as other
tubes in this class. If you like to run your guitar straight into
the amp, there are better choices. If you prefer to run through a
bunch of rack equipment or like major crunch and overdrive sounds
then this tube will work well."
Some
says these tube are really reliable, Can last 5 years.