Vehicle horn England, developed a standard electric car horn in 1910. Car horns are usually electric, driven by a flat circular steel diaphragm that has an electromagnet acting on it in one direction and a spring pulling in the opposite direction. The diaphragm is attached to contact points that repeatedly interrupt the current to that electromagnet causing the diaphragm to spring back the other way, which complete the circuit again. This arrangement opens and closes the circuit hundreds of times per second which creates a loud noise like a buzzer or electric bell, which sound enters a horn to be amplified. There
Sound the Alarm (Saves the Day album) producer. After recording wrapped up in October, the band immediately undertook a 47-date US tour. "Sound the Alarm", along with the later records "Under the Boards" (2007) and "Daybreak" (2011) form a trilogy whose theme is self-discovery. In January 2006, the band re-signed with independent label Vagrant Records. After touring with Circa Survive and Moneen in spring 2006, "Sound the Alarm" was released in April. The album's release was preceded by the two songs—"The End" and "Shattered" —being made available for streaming. "Sound the Alarm" has received generally favorable reviews with a number of reviewers commenting on Conley's vocals. The