Acme Siren Horn #451

This unmistakable sound, introduced in 1895, still finds numerous uses. From tribal dances to marine signaling, this complex whistle, made with watchmaker’s precision, was the beginning of the ACME range of orchestral whistles and musical sound effects that remain popular to this day.Same as 147 mouth siren, but fitted with a 17.75cm bell piece to greatly augment the sound.