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Monday, April 30, 2012
Bill Whitlock 04/30/12 02:37 PM,If electrical wiring, from main breaker panel to outlet, consists of Romex and plastic J-boxes, an “isolated” or “technical” ground system is already in place. This is the case In most, but not all, residential wiring. However, when wiring consists of metallic conduit and J-boxes, as in most commercial buildings, an isolated safety-grounding scheme can sometimes reduce audio system noise. It is most applicable in situations where conduit may come in contact with building steel, water pipes, gas pipes, or… View this story
Filed in: AV • Feature • Study Hall • AV • Power • Signal -
David McLain 04/30/12 11:20 AM,It’s always been amusing to watch the band set up. The guitarist brings his amp, a few pedals, and maybe a couple of guitars. The bass player brings his instrument, and often his own amp. The drummer uses the church’s drum kit, but he brings his own sticks and takes the time to tune and position the drums to his liking. But the vocalist just uses whatever mic is handed to them. My experience has been that the choice of… View this story
Filed in: Church Sound • Feature • Poll • Study Hall • Engineer • Microphone • Technician -
Friday, April 27, 2012
Chris Huff 04/27/12 11:13 AM,This article is provided by Behind The Mixer. Evaluating your monitor settings is a crucial step during the sound check and during the church service. Consider these three signs your monitor mix is bad or had gone bad. 1. A musician isn’t playing in time or looks lost. This will happen if you didn’t get the right monitor mix during the sound check. It can also happen if they can’t hear the monitor due to the addition of the… View this story
Filed in: Church Sound • Feature • Poll • Study Hall • Loudspeaker • Mixer • Monitoring • Stage -
Wednesday, April 25, 2012
Chuck McGregor 04/25/12 02:55 PM,Polarity and Phase - these terms are often used as if they mean the same thing. They are not. POLARITY: In electricity this is a simple reversal of the plus and minus voltage. It doesn’t matter whether it is DC or AC voltage. For DC, Turn a battery around in a flashlight and you have inverted or, more commonly stated, reversed the polarity of the voltage going to the light bulb. For AC, interchange the two wires at the input… View this story
Filed in: AV • Feature • Poll • Study Hall • AV • Education • Installation • Measurement • Processor • Signal • Technician -
Friday, April 13, 2012
Duke DeJong 04/13/12 02:47 PM,A while back, I got the rare opportunity to work with the youth band at our church. These guys have an incredible heart and passion to worship and have loads of raw talent which translates into a powerful time of worship. When they lead, as a worshipper I feel free and emboldened to praise God the way He created me too. When they lead, as a sound operator I have to work as hard and quick as ever to create… View this story
Filed in: Church Sound • Feature • Poll • Study Hall • Audio • Consoles • Mixer • Processor • Sound Reinforcement -
Dennis A. Bohn 04/13/12 01:34 PM,This article is provided by Rane Corporation. Wye-connectors (or “Y”-connectors, if you prefer) should never have been created. Anything that can be hooked-up wrong, will be. You-know-who said that, and she was right. A wye-connector used to split a signal into two lines is being used properly; a wye-connector used to mix two signals into one is being abused and may even damage the equipment involved. Here is the rule: Outputs are low impedance and must only be connected… View this story
Filed in: AV • Feature • Poll • Study Hall • Analog • AV • Audio • Digital • Installation • Interconnect • Signal • Sound Reinforcement • System • Technician -
Thursday, April 12, 2012
Mark E. P. (Milo) Woods 04/12/12 06:34 PM,As we left off last time, our hero was fighting for truth, justice… Oops - wrong story. Our story here is to continue the discussion of creating a truly useful technical information package for a visiting acts and sound personnel, is a bit less glamorous. But it need not be overly complicated, either. Previously (here), we looked at the basic format of the tech package, and talked about the first five of 10 essential items it should offer. Now, let’s… View this story
Filed in: Live Sound • Feature • Poll • Study Hall • Training • Audio • Business • Consoles • Engineer • Interconnect • System • Technician -
Chris Huff 04/12/12 11:54 AM,This article is provided by Behind The Mixer. Ringing out a room is a process for eliminating problem frequencies, wherein those frequencies are prone to feedback in your room. You might hear it called “tuning the system” or “tuning the room.” The last phrase “tuning the room” is actually a wrong phrase to use. You aren’t tuning the room, you are tuning the house EQ to work in the room. Additionally, tuning the system and ringing out the room… View this story
Filed in: Church Sound • Feature • Poll • Training • Audio • Measurement • Processor • Sound Reinforcement -
Wednesday, April 11, 2012
Alex “Skip” Welti 04/11/12 05:15 PM,Editors Note: For more information on console maintenance, check out Zen & The Art Of Mixing Console Cleaning & Maintenance. I’ve cleaned a lot of faders over the years and suppose I’ve gotten a little bold when it comes to tearing a fader apart and giving it a good bath. And I’ve learned the hard way just how much punishment a fader can take before it breaks. In some cases, a certain amount of brute force is required to crack… View this story
Filed in: Live Sound • Feature • Poll • Study Hall • Analog • Audio • Consoles • Engineer • Mixer • Sound Reinforcement • System • Technician -
Bruce Bartlett 04/11/12 02:43 PM,This article is provided by Bartlett Microphones. You patch in a piece of audio equipment, and there it is: HUM! This annoying sound is a common occurrence in sound systems. Hum is an unwanted 60 Hz tone—50 Hz in Europe—maybe with harmonics. If the harmonics are especially strong, the hum becomes an edgy buzz. A sound system also might be plagued by RFI (Radio Frequency Interference). It’s heard as buzzing, clicks, radio programs, or “hash” in the audio signal.… View this story
Filed in: Church Sound • Feature • Poll • Study Hall • Interconnect • Loudspeaker • Microphone • Power • System
Articles Tagged Audio Basics
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