[Mister Pig]

One pair of lightly used Sophia carbon Princess 300B tubes. Used for six months in my previous amplifier, and run at a light bias load. I am original owner on these with factory boxes and test sheet. Lots of life in this premium tube, and at an affordable cost. Smoother and more refined than the Meshplates, the Carbon Princess is one step off the top of the line Sophia tubes, and was their very best until the Royal Princess was released. These were the premium offering and hand selected for me by the factory, and these normally sell for $600. sELLING FOR $300. 50% off of a premium tube that cannot be had at a discount.