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All tubes come with a full 30 day, unconditional, no questions asked, money back satisfaction guarantee!
Test scores will average 85% to 90% of NOS values. This particular tube measures 103%.
Individual test scores will be written on the new boxes that you receive with your tubes.
You are purchasing a "Gold Grade tube" . This means that the plates are very tightly matched on a calibrated Hickok 799 within 10%
Please see our other listings for "Silver, Platinum and Platinum Plus" tubes. Silver Grade tubes are matched within 15%, Platinum Grade tubes within 5% and Platinum Plus 1%.
The Gold and Platinum tubes are recommended for more critical applications such as your preamp and phono stage.
The price listed is for one tube. To purchase more than one, when available, simply change the number in the quantity box which is located just above the advertised price.
Worldwide USPS First Class International delivery available at $13.95 for the first tube and $3.00 for each additional 2 tubes.
Please email with any questions and/or concerns.
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