This Sylvania 6SN7GTB tube was produced and packaged in the '60's. It has black triangle-plates. Sonically, has good detail, highs, and tight bass. They are a natural sounding tube with nice warmth, but not overly warm.
The Sylvania 6SN7 Tube Types are fantastic upgrades for Rogue 99 Magnum preamps, Cary SLP 98P / SLP 98L and SLP 05 preamps, and Atma-Sphere preamps.
Warranty Information and Return PolicyWarranty Period: 3 months
All our tubes are guaranteed for 3 months from the date of purchase. (Any exceptions will be noted on that tube's Warranty tab)
If you receive a tube that does not perform to the manufacturer's specifications, please do the following:
- contact us to get a return authorization
- return it via regular mail within 90 days from when we shipped it, and we will provide an exchange or refund of the full purchase price of the tube.
Returns not related to warranty or defect will be considered at our discretion, and are subject to a 15% restocking fee.
We can not accept returns that don't have an authorization, are past 3 month, or are returned improperly.
These guidelines may be updated without notice.