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13-Jul-2018 Model 5422

New Video about the Model 5422 Dante Intercom Audio Engine

Our friend Matt Mayer created a nice introduction and training video for our Model 5422 Dante Intercom Audio Engine. You can find it on our website at It’s short and moves fast but we hope it provides some nice background, application and how-to-use information. You might need to watch it a couple of times to allow…

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14-Jun-2018 Dante Firmware Updates Model 5422

New Model 5422 Main Firmware

We’re pleased to announce the release of main firmware version 1.12 for the Model 5422 Dante Intercom Audio Engine. The new version includes improvements to the unit’s FTP and HTML performance and reliability. There are also a number of other internal updates and enhancements. To user’s the only thing that may be noticed is that…

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14-Jun-2018 Analog IFB

Model 41 vs. Model 42A Comparison Chart

Over the years people have asked us to describe the differences between the Model 41 Interface and the Model 42A Interface. The answer is simple: Both units unit have the same circuitry, perform the same functions, and have four 3-pin male XLR connectors on their back panel for access to the powered IFB outputs. But…

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07-Jun-2018 ST 2110

ST 2110 Products Coming Soon!

Studio Technologies is making good progress with our upcoming set of products that support the new ST 2110 standards. First to be ready will be the line-level analog to/from ST 2110 interfaces. The Model 5512-01 will have 8-in/8-out. The Model 5512-02 will have 16-in/16-out. (See for photos of actual unit.) We’re targeting next month (July…

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05-Jun-2018 Analog Intercom

Testing and Troubleshooting Analog Party-Line Intercom Circuits

For testing and troubleshooting analog party-line (PL) intercom circuits we think that there’s nothing better than the MR-PRO from NTI Instruments. ( While it was designed as a general-purpose audio generator with some test capabilities it ends up being fantastic for analog PL intercom work. It will directly measure impedance and DC voltage, independently from…

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