Sylvania 7591A Power Vacuum Tube

The Sylvania 7591A is a premium power vacuum tube engineered for high-fidelity audio amplification. This robust pentode delivers exceptional linearity and low distortion, making it ideal for vintage tube amps and audiophile-grade equipment. Known for its reliability and warm, detailed sonic character, the 7591A excels in both push-pull and single-ended configurations. Built to exacting standards, Sylvania's construction ensures consistent performance and extended operational life. A trusted choice for tube enthusiasts restoring classic amplifiers or upgrading audio systems.