I measured the THD, THD+N, Noise Level vs Calibrated Input RMS of the XLR mic input of Zoom UAC-232 simultaneously using a 1kHz sine wave. Its amplitude was stepped up from 5μVrms to 1.66Vrms (or 2.35Vp, i.e. 0 dBFS according my calibration, with the digital gain set to 0dB) in 300 increments...