Blog Entries


From the Forum: Measuring a State of the Art Cl...
This post walks through the measurements of a state-of-the-art 700W Class D amplifier.
From the Forum: Measuring a State of the Art Cl...
This post walks through the measurements of a state-of-the-art 700W Class D amplifier.

Characterizing Opamps
Modern opamp specs are amazing. They come to us in a compact PDF form with outstanding vector color graphics, making it easy to know an enormous amount about the part...
Characterizing Opamps
Modern opamp specs are amazing. They come to us in a compact PDF form with outstanding vector color graphics, making it easy to know an enormous amount about the part...

Customizing Tractor
Tractor is our open-source platform for automating production testing. It's designed to let you build out a comprehensive test plan for your product in minutes. Measurements such as gain, frequency...
Customizing Tractor
Tractor is our open-source platform for automating production testing. It's designed to let you build out a comprehensive test plan for your product in minutes. Measurements such as gain, frequency...

Building a 6:1 Mux for 5.1 Testing
When testing a 5.1 amplifier, it's desirable to perform the tests with all channels under load. The front-panel of the QA440 is shown below. It's a product (to be released...
Building a 6:1 Mux for 5.1 Testing
When testing a 5.1 amplifier, it's desirable to perform the tests with all channels under load. The front-panel of the QA440 is shown below. It's a product (to be released...

SneakPeek: The QA403
Last year at this time, we introduced the QA402 as a successor to the QA401. The rapid switch was required by the AKM fire, which destroyed AKM's factory where they...
SneakPeek: The QA403
Last year at this time, we introduced the QA402 as a successor to the QA401. The rapid switch was required by the AKM fire, which destroyed AKM's factory where they...