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Channel: Gain Structure – Pro Sound Training
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Anatomy of a Service Call

Even Simple Sound Systems Aren’t Plug and Play By Pat Brown The sound system in the Chapel at a local nursing home had all of the typical problems – distortion, poor gain-before-feedback, and...

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Which Pin Is Hot and when does it matter?

By Pat Brown Introduction All audio components that pass a signal should be properly polarized. The concept of polarity can be confusing. Like many principles, it is most easily understood by non-audio...

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Sound System Autopilot

Theory and Practice – By Dale Shirk Today’s sound systems can be quite complex. Many times that complexity exceeds the requirements for simple a talking head meeting. Fortunately the same system can...

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Pads 101

By Rick Chinn Attenuation (loss) pads are handy tools, and understanding their design and application takes a few minutes and lasts a lifetime.  This article discusses pads to be used in traditional...

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Meaningful Metering

By Pat Brown It is beneficial for the sound system operator to have some visual feedback regarding the operating levels of sound system components. Unfortunately, the monitoring of audio program...

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Piezo Magic – Accurate Gain Structure Using a Common Device

By Pat Brown In order to set the gain structure of a signal processing chain properly, it is necessary to determine when each device (mixer, eq, etc.) can no longer provide an increase in output signal...

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Ten Reasons Why Church Sound Systems Cost More

In a day of mail order mania and cost consciousness, remind your customers of some basic truths by Pat Brown A letter to a church building committee might read: Thank you again for the opportunity to...

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Polarity 101 – Some subtleties regarding device polarity

Since most sound reinforcement equipment uses bipolar power supplies (allowing the audio signal to swing positive and negative about a “zero” reference point), it is possible for signals to become...

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Chinn on Trim

By Rick Chinn A recent Syn-Aud-Con Listserv thread provoked an interesting discussion about the input stage of a mixer. Rick Chinn’s contribution to the thread touched on the technical and practical...

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