ISSUE Q&A

A hum can be heard through the channel with the DI box

Flip the ground lift switch

Ground lift switch: Used to eliminate the hum caused when you have a grounding problem that’s made evident by a looped signal

Control Feedback In a Sound System

Youtube: How to Prevent Feedback on Stage by Sweetwater

• Point speakers away from mics.

• Point mics away from speakers.

• If you have control over EQ, put a notch at the frequency that's causing feedback, in the speakers that are causing problems.

• Make stage area quieter than the audience area by putting the PA speakers in front of the band

• The band hear themselves through monitor speakers, which are quieter than the PA, and which can be EQ'd to prevent feedback.

Links

• 3 Steps to Stop Church Sound Feedback Fast

• How to Control Feedback in a Sound System

• Feedback Prevention: A Closer Look at Microphones and Monitors

• 6 Smart, Proven Methods To Control Feedback

• 18 Ways to Reduce Feedback

• How to Eliminate Feedback

• How can I prevent feedback?

• Is there any point in DI-ing keyboards?
• All About Direct Boxes
• A Direct Box can be in-DI-spensible
• How to Choose the Right Direct Box (DI)
• The Ultimate Guide to Direct Boxes for Stage and Studio