Intercom Training Part 3: Dual Channel 2 wire intercom.

Overview: From single channel 2w intercom, we graduate to a dual channel system. These follow all of the same basic rules of single channel intercom, but introduces a 4 channel switchboard, and a 2w adapter. These elements allow for far more flexible routing within the system. With this system you have the option of having... Continue Reading →


Intercom Training Part 2: Single Channel 2 wire Intercom.

Overview: In the simplest form of Intercom system, you have 4 major elements: Power supply (far left) Belt-pack (bottom center) Headset (Top Center) XLR cabling (Left) The power supply has 3 outputs which all do the exact same thing: provide belt-pack power and audio passage. If we grab a second belt-pack and connect both to... Continue Reading →

Gain Structure & Head Room

Overview Attaining a proper gain structure is paramount to producing high quality audio. If your gain is too low, this results in a poor signal to noise ratio. Gain too high and your signal will clip and distort. Different preamps will distort in varying ways. Some manufacturers, Midas for one, boast a superior harmonic distortion... Continue Reading →

Analog to Digital Conversions 101

If you work in professional audio, today, you are likely using a whole lot of digital equipment. Most new mixers have some level of digital processing built in. PA control and manipulation is typically digital. Even wireless microphones are transmitting digital audio signals rather than analog lately. Every time an audio signal enters a piece... Continue Reading →

Coordination Tutorials & Resources

This page contains information from outside sources. I do not own any of the content, nor do I claim to. Most of the attached documentation comes from which is a fantastic resource for both intercom and RF coordination. Basic Overview Pete Erskine’s RF Coordination for Roadies is a 13 page writeup explaining the basic process... Continue Reading →

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