This used Tubeworks TUBE DRIVER RT913 Rack Effect Pedal is in great condition and delivers the warm, rich tube-driven overdrive that has made it a sought-after unit among guitarists and studio professionals. Featuring real tube circuitry with a 12AX7 preamp tube, it provides smooth, dynamic distortion with responsive tone shaping. The front panel offers controls for Drive, Output, EQ, and Bias, allowing precise customization of your sound. Designed for both guitar and studio applications, the RT913 brings the classic Tube Driver tone to a rackmount format, perfect for professional setups. Its rugged construction ensures durability, while its legendary tonal capabilities make it ideal for blues, rock, and fusion styles. Whether you're pushing an amp into smooth saturation or dialing in rich harmonic textures, this unit delivers authentic tube warmth and sustain. A must-have for musicians seeking classic tube-driven tone with rackmount convenience.