Sound calibration

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Introduction

Table: impedances and sensitivity @ 1mW and @ 1V for Headphones

Model Impedance (Ohm) Sens@1mW (dB SPL) Sens@1V (dB SPL) Difference (dB) Audiological
AKG_K271_MKII 55 91 104 12.5 N
SENNHEISER_HD600 300 92 97 5.2 N
SENNHEISER_HD100 26 94 110 15.8 N
BEYERDYNAMIC_DT_770_PRO 80 96 107 11.0 N
SENNHEISER_HDA280 37 103 117 14.3 Y
SENNHEISER_HDA300 23 108 124 16.4 Y
RADIOEAR_P4492 10 107 127 20 Y
TELEPHONICS_TDH-39P 10 108 128 20 Y