VCA Basics:

What is a VCA? How does it work? How is it similar and different to the DCA?

In this episode of “Live Sound Basics”, we’re talking about VCA’s (Voltage Controlled Amplifiers) the DCA Group’s analog predecessor. With the use of installation audio modules, we look at how VCAs work and the fundamentals of their operation. What can we use them for and what are the advantages over other approaches. Follow along as we set-up a VCA from Radio Design Labs and experiment with control voltages to set audio levels remotely.

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Shop Radio Design Labs gear and the ST-VCA3

This video was created with the help of Doug and the Radio Design Lab team. RDL was founded in 1986 and manufactures electronic audio, video, and control products. Their products are perfect for home or commercial installation and recording studios. Thanks to them for sending the VCA module over to test along with this topic.

Please send in any questions you have, or anything you would like to see tested or demonstrated in a future video. You can get in touch via e-mail at the top of this page, on social media, drop a comment on the YouTube video, or join us on the forum.

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Check out the other gear used in this video*:

Apple iPad Mini 4 (16GB, Wi-Fi + Cellular, Space Gray)

Griffin iPad Mini 4 Case with Built-in Rotating Hand Strap

5 Colors Test Lead Set & Alligator Clips

9-Piece Precision Screwdriver Set

ONYX Test Tone Generator for iPad

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