All tubes come with a full 30 day, unconditional, no questions asked, money back satisfaction guarantee!
You are purchasing a "Platinum Grade" tube. This means that the plates are very tightly matched on a calibrated Hickok TV-7 or Hickok 799 within 5%.
Please see our other listings for "Silver, Gold and Platinum Plus" tubes. Silver Grade tubes are matched within 15%, Gold Grade tubes within 10% and Platinum Plus Grade 1%.
The Gold and Platinum Grade 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.
Please email with any questions and/or concerns.
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