Introduction

I am new on this forum but I have earlier been following several of the interesting threads on this forum. I am building test equipment for audio for my own use. My tests system is based on PC with a soundcard. I have build a soundcard interface which is the most important product for me. I am using AudioTester and TrueRTA software mainly My latest project is a test equipment for loudspeaker test powered by Arduino. The ,modules are a power amplifier, microphone amplifier and a TFT display for displaying test parameters and test result. The main parameter is measuring and calculating the speaker sensibility.
 
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