You'll find the MESA 5Y3 inside all the Mesa/Boogie Lone Star Special tube amplifier. The MESA 5Y3 is a true, authentic 5Y3 NOS (New Old Stock) tube based on the original Phillips 5Y3 and is built to Mesa/Boogie's exacting specifications. This tube produces a sultry vintage sag, creating a silky, smooth feel on the strings and provides the most sag of all of Mesa/Boogie rectifier tubes. Get vintage tone with the MESA 5Y3.

FEATURES

• Based on classic Phillips 5Y3
• Delivers that traditional vintage sag
• Found on Lone Star Special amplifiers