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Lab Measurements with the APX555 from Audio PrecisionSince we own in our Lab the flagship Audio Analyzer APX555 from Audio Precision, we publish some measurement results from commercial devices. Please note, that we offer measurements from your devices in our LAB. You will get world leading measurement equipment plus our experienced engineering. The results from an APX555 are worldwide recognized. We can do small series batch testing as well. Please do not hesitate to contact us.
Selftest of our APX555 with balanced loopback Mic Pre-AmplifiersStageline MP102 main/battery powered Mic pre-amp with 24V Phantom power Mictotech Gefell MV210 ICP/IEPE pre-amplifier
passive DI boxes (convert unbalanced input to unbalanced via a transformer)
TransformersAn important quality factor is distortion at higher levels below 100Hz
GeneratorsChina 1kHz "ultra low distortion" after careful adjustments
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