Skip Navigation Website Accessibility
Five Star Guitars Logo

Mesa Boogie Rectifier Tube - 5Y3

Mesa Boogie 5Y3 Rectifier Tube 

Mesa Boogie 5Y3GT Rectifier Tube: Vintage Tone with Unmatched Sag

Rediscover the classic sound of yesteryear with the Mesa Boogie 5Y3 Rectifier Tube, a beloved choice among vintage enthusiasts and the preferred tube for the Lone Star Special amplifier. Renowned for its ability to produce sultry, vintage sag, this tube delivers a silky-smooth feel to your playing experience, captivating players with its addictive response and character.

Vintage Sag for Timeless Tone

The 5Y3 Rectifier Tube is cherished for its ability to impart a distinctive sag characteristic to your amplifier's sound. This vintage sag adds a unique touch to your tone, creating a dynamic response that feels exceptionally expressive and musical. Whether you're playing blues, jazz, or rock, the 5Y3 tube infuses your playing with an unmistakable warmth and richness that harkens back to the golden age of tube amplification.

Premium Grade for Consistency and Reliability

Mesa Rectifier Tubes are meticulously crafted to offer premium-grade performance, ensuring unparalleled consistency and reliability in any tube amplifier, especially Mesa models. Each tube undergoes rigorous testing to meet Mesa's exacting standards, guaranteeing that your amplifier delivers the same exceptional tone and performance, session after session, gig after gig.


  • Tube Type: 5Y3GT Rectifier Tube
  • Sag Characteristic: Vintage sag for a silky-smooth feel and expressive response
  • Compatibility: Ideal for use in vintage-inspired amplifiers, particularly the Lone Star Special
  • Premium Quality: Crafted for unsurpassed consistency and reliability in any tube amplifier, especially Mesa models