Primarily high-end Hi-Fi, but their testing equipment is some of the most advanced in the world. If you want a tube that is guaranteed to be quiet and microphonic-free, this is the place. 4. Direct from the "Re-branders"
Known for their massive inventory and proprietary "Preferred Series" tubes. They provide excellent comparison charts and reviews for every tube they sell. where to buy amp tubes
High-quality sellers "burn in" tubes for 24–48 hours to ensure they won't fail (infant mortality) shortly after you install them. Primarily high-end Hi-Fi, but their testing equipment is
This is the "eBay of music gear." It is an excellent place to find boutique dealers and private sellers offering rare vintage pulls or specific matched pairs you can’t find elsewhere. Direct from the "Re-branders" Known for their massive
A legendary name in the NOS world. His site looks like it’s from 1995, but his knowledge and inventory of vintage glass are world-class.