Church Acoustics & Church Sound Systems

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Archive for the ‘Church Acoustics’ Category

All discussion, Articles, Educational info and comments are added here.

Finished Churches

Posted by jdbsound on May 22, 2012

Is a New Church or existing Church complete after it opens for worship or after it has the proper acoustics installed?

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Excess Noise At the Pulpit or Altar or preaching area

Posted by jdbsound on May 22, 2012

When standing at the pulpit at your church and the sound system is off, do you speaker louder or quieter?
When you turn the sound system on, do you speak just as loud or quieter?
If you answer quieter to either of these two questions, you most likely have a major acoustical problem.  Why?

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Natural Acoustical Amplifiers

Posted by jdbsound on May 22, 2012

Walls are amplifiers of sound.
Outdoors – when you double the energy with amplifiers or speakers the sound levels increases 3dB.
Indoors – when you double the energy with amplifiers or speakers the sound level of certain frequencies can increase up to 9dB or cancel the sound 100%.

Example Below:

Armeanian Pentecotal Church Montreal

Before acoustical treatment, there would be 1dB loss at 10 ft and 2dB loss at 40 ft. without the sound system.

After acoustical treatment, there is 4dB loss at 10ft and 8dB loss at 40 ft. without the sound system.  Also, intelligibility changed from 79% at 40 ft to 92% after acoustical changes.  When you add the sound system the coverage with +/-3dB

This was in the middle of the acoustical transformation

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The skill of the average human ear

Posted by jdbsound on May 22, 2012

The ear can hear distortion before it shows up on the meters of most mixers including studio and digital mixers. When the room acoustics are good, you can hear the distortion up to 6dB sooner than what the meters show.

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