Used 5U4 tubes that test like new. Replaces 5U4GA, 5U4GB, 5U4G, 5AS4 and GZ37 tube types. Assorted NOS brands in stock. Availability: Out of stock. Return to 0 through 5 Tube Types  5U4 Tube Types |
 Top of Page The easiest way to buy vacuum tubes. |
Used 5U4 tubes that test like new. Replaces 5U4GA, 5U4GB, 5U4G, 5AS4 and GZ37 tube types. Assorted NOS brands in stock. Availability: Out of stock. Return to 0 through 5 Tube Types 5U4 Tube Types |
Top of Page The easiest way to buy vacuum tubes. |