International C 6550 Power Vacuum Tube

The International C 6550 is a robust power vacuum tube engineered for high-fidelity audio amplification and industrial applications. This pentode delivers exceptional linearity and thermal stability, making it ideal for push-pull output stages in guitar amplifiers, hi-fi equipment, and vintage audio systems. Known for its durability and consistent performance across extended operating ranges, the 6550 handles demanding loads while maintaining clean, articulate tone reproduction. Whether you're restoring a classic amplifier or building a custom audio circuit, this tube provides the reliability and sonic characteristics that discerning engineers and musicians demand. Comes with box.