The original train whistle entirely manufactured in chromed brass, compressed air driven (min. 116 psi). Stainless steel fixing bracket. Includes 8 mm OD tube connections and excludes valves.
Single electromagnetic horn with stainless steel trumpet. Powerful acoustic unit carefully protected and manufactured of non-corrosive materials, complete with fixing hardware.
Electropneumatic horn with reduced dimensions (total length 9,8 in) but with high sound output, complete with electric compressor, tubing and mounting hardware.