Hangover

When a signal into a loudspeaker suddenly stops, as happens with musical transients, sometimes the speaker cone will continue to move and produce sound due to inertia. This is called hangover. It effects both low frequency and high frequency devices, and is reduced by adding damping to the system. One way of doing this is to increase the damping factor of the amplifier so it has better control of the speaker. Hangover causes poorly damped woofers to sound “boomy” and poorly damped tweeters to sound “hissy.”