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IMAG

IMAG (Image Magnification) has been a growing trend in today’s house of worship. I want to go over a few IMAG topics that will help you make good decisions when it comes to bringing IMAG into your Church. Choosing to go IMAG IMAG is an enhancment for larger rooms. This allows larger Churches the same [...]

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VGA to USB Stream

Question:I do the live broadcasting for our church. I use UStream for broadcasting through our website. What I’m looking for is a converter/switch to turn the VGA signal from the Power Point computer into a firewire or USB output to my broadcasting computer. It’s easy to find a USB to VGA for dual monitors, but [...]

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Loud Low Frequency Noise from PGX4 or SLX4 Receiver

If your having a low Frequency Noise from your SLX or PGX the following my be the solution…… The low frequency noise may be caused by a low power line voltage condition. Check these symptoms to determine if this applies to your situation: 1. Intermittent, intense, and offensive low frequency noise 2. PGX4 or SLX4 [...]

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What is Comb Filtering

Simply stated, comb filtering is two signals arriving at the same location at different times. Because of the differences in the arrival times, the sound waves will have additions when they perfectly overlap and reinforce each other, and also have cancellations or nulls where they cancel each other out (the latter is called destructive interference). [...]

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What is Echo?

A Echo is a single reflection of a sound source. If so many reflections arrive at a listener that they are unable to distinguish between them, the proper term is reverberation. When dealing with audible frequencies, the human ear cannot distinguish an echo from the original sound if the delay is less than 1/10 of a second. [...]

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What are Standing Waves?

A standing wave is the result of a sound wave that bounces between two or more surfaces and emphasizes one specific frequency that you hear as the waves reinforce each other. When the wave bounces off the surface, it changes phase. In the case of waves that create a standing wave, the reflected wave is [...]

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Cutting Setup Time

The fundraising is complete, your building lease is secure, everything is falling into place…and why not? When God is in it who can be against it? Right? All the preparation for the big launch has been carefully planned out. You’ve consoled with everyone under the sun about what to do and what not to do. Its [...]

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What is proximity effect?

Proximity effect is an increase in low frequency response when a microphone is very close to the sound source, and is an inherent characteristics of direct tonal microphones. Omnidirectional mics do not exhibit this effect and variable D mics (like the EV RE20) can limit the proximity effect.

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Is there really a difference in Cables?

Much of the difference is in ruggedness and in the quality of shielding. Speaker cable should not be shielded, but all microphone and line level cables must be shielded. Some shields are less than 100%, some are braided for flexibility and others are foil for permanent installations. The quality of the connectors, connections and raw [...]

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Bass Drum Nugget

When I’m setting up my board I typically start with the Kick, snare, tom, tom, tom, OH, OH, HH, Bass Guitar, Keys, then other instruments……. So I figured I would post some blogs about each channel one by one….. Remember, 1000 ways to skin a cat…. Channel 1 Kick: With channel 1 muted and the PFL (Pre fade listen) Button [...]

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