***** Everything we sell is guaranteed 100% authentic *****
All tubes come with a full 30 day, unconditional, no questions asked, money back satisfaction guarantee!
You are purchasing a brand new "Platinum Grade" matched pair of tubes. This means that the plates are very tightly matched on a calibrated 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 are matched within 10% and Platinum Plus 1%.
The Gold and Platinum tubes are recommended for more critical applications such as your preamp and phono stage.
Please email with any questions and/or concerns.
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