 Joined: February 2002 Posts: 1817
Location: Minden, Nebraska | Sounds like you need a new A string.
Seriously, the cheap fix is adjusting monitor and mic angles -- but you probably know this.
Depending on whether it was main or monitor howl, have the sound guy locate that frequency band and EQ it out. Pro fix is probably an individual notch filter in your signal chain, such as the Behringer Shark. |