The original Mesa Boogie 5Y3GT rectifier tube for the Lone Star Special amp but it is perfect for any 5Y3 rectifier application. It is an authentic 5Y3 tube based on the original Philips 5Y3. Built to Mesa Boogie’s exacting specifications. Provides the vintage sag that helps give the Mesa its quality tone and feel.
CALIFORNIA PROPOSITION 65 WARNING
WARNING:Cancer and Reproductive Harm-www.P65Warnings.ca.gov.