Combined with a gold brass bell, gold brass rotor section tubing creates a dark, warm sounding instrument. Traditional Rotary Valve Traditional rotors force the air stream to maneuver sharp bends and severe changes of direction. This turbulence and distortion causes increased resistance and loss of energy in the fundamental wave, resulting in a stuffy response. Thayer Valves Thayer Valves provide a smooth and undistorted air passage for balance in both modes of operation.
Some musicians prefer the feel and quick response of the lightweight slide.
The weight has been reduced by using nickel silver tubing for outer slides. In addition to the light weight, nickel sliver tubing also resists corrosion. All models can be special ordered with lightweight nickel silver outer slides. Bach 42 series trombones can be customized with narrow handslides for playing comfort.