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Microphone/Speaker SetupThe main goal of a sound system is to help the congregation hear more clearly. The message is important and it must be loud enough and easy to understand. Another goal is to provide the music with a natural high fidelity sound.
To reach this quality we need to choose microphones based on how they're used. Wireless microphones are used to clip on the pastor's robe when he is moving around or for his convenience these are referred to as lavalier microphones. Lectern microphones will are found on the pulpit but on the lectern and are used by the pastor or the reader who generally does not have a clip on or lavalier are wireless microphones. The choir will use two different types of microphones either miniature choir microphones which hang over the choir or stand microphones which are shared by one to three people. It is recommended in these two choices to use the stand microphones over the hanging microphones to reduce the chance of feedback. Finally can microphones are used for vocalists and instruments. Generally these handheld microphones are wireless.
How to reduce feedback?When we have the sound provided by the speakers fed back into the microphone we have a phenomenon referred to as feedback. This condition generally produces a loud howl or high-frequency screech. Generally we can reduce this feedback situation by the following practices.
- Turn down all microphones that are not in use
- Try to keep all microphones as close as possible to their sound sources. This is the personís mouth or the instrument that is being amplified. .
- Try to use directional microphones. A microphone is considered to be directional when you find in its description the words supercardioid, hypercardioid or cardioid. .
- Try to keep loudspeakers and microphones as far apart as practical. .
- When setting up uses few microphones as possible. .
- Do not place microphones in the direct path of a speaker. When possible try to keep all speakers in front of the microphones or far above them.