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    • QA403 Audio Analyzer

      QA403 Audio Analyzer

      QA403 Audio Analyzer

      Regular price $599.00 USD
      Regular price Sale price $599.00 USD
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    • QA462 Transducer Driver

      QA462 Transducer Driver

      QA462 Transducer Driver

      Regular price $329.00 USD
      Regular price Sale price $329.00 USD
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    • QA451 Programmable 8/4 Ohm Load

      QA451 Programmable 8/4 Ohm Load

      QA451 Programmable 8/4 Ohm Load

      Regular price $319.00 USD
      Regular price Sale price $319.00 USD
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    • QA472 Low Noise Mic Preamp

      QA472 Low Noise Mic Preamp

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      QA472 Low Noise Mic Preamp

      Regular price $279.00 USD
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    • QA462 Now Shipping

      QA462 Now Shipping

      March 25, 2025

      The QA462 Transducer Amplifier is now shipping

      QA462 Now Shipping

      March 25, 2025

      The QA462 Transducer Amplifier is now shipping

    • From the Forum: Measuring a State of the Art Class D Amp

      From the Forum: Measuring a State of the Art Cl...

      March 25, 2025

      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...

      March 25, 2025

      This post walks through the measurements of a state-of-the-art 700W Class D amplifier.     

    • Characterizing Opamps

      Characterizing Opamps

      November 15, 2022

      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

      November 15, 2022

      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

      Customizing Tractor

      October 5, 2022

      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

      October 5, 2022

      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...

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