One has some type of brown mark on the outside from factory, still brand new just want to make sure it’s noted 2 different style of boxes! Experience high-quality sound with these 2x Sylvania 21LU8 NOS NIB Vacuum Triode Beam Power Tubes. These vintage tubes are perfect for audiophiles who want to enhance their music experience. The tubes are made by the reputable brand SYLVANIA and will provide a reliable power source for your audio equipment. J
60%
2 x Sylvania 21LU8 NOS NIB Vacuum Triode Beam Power Tubes (g)2x Sylvania..
Original price was: $17.72.$10.63Current price is: $10.63.
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