Two Sylvania 12SL7GT vacuum tubes testing strong as shown – sorry for the blurry picture! 100% represents what you would expect from a NOS tube on my Amplitrex and 65% is considered too low to use. Please feel free to return items that do not meet your needs within the 30 day period, I only want satisfied customers! Thanks and God bless! “But seek first the kingdom of God and his righteousness, and all these things will be added to you.” Matthew 6:33
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Sylvania Set of Two 12SL7GT Vacuum Tubes Strong Amplitrex Tested
Original price was: $17.60.$10.56Current price is: $10.56.
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