This lot of 4 vintage 6AX3 electron tubes includes both RCA and Sylvania brands. These tubes are perfect for collectors and enthusiasts of vintage electronics and audio equipment. They have been tested and are in working condition, ready to be used in your next project. With their unique design and history, these tubes are sure to add a special touch to any vintage audio or video setup. Don't miss out on the opportunity to own a piece of electronic history!   We have gone out of business and are selling all of our stock.  I ship only to the lower 48 states.  All Sales are final with no returns.  I hope someone can use these tubes and thanks for looking at the ad. If there are other tubes you may need send me a message and I will get back to you quickly and make arrangements for the sell and get them to you quickly