Elektron SPS-1 EFM->RS Measurements: Lowest Freq=243.92 Hz Highest Freq=3819.2 Hz Note perfect freq, MD PTCH setting, MD freq, accuracy 697.0Hz PTCH= 48 MDfreq=689.9Hz 1.0%err 770.0Hz PTCH= 53 MDfreq=768.8Hz 0.2%err 852.0Hz PTCH= 58 MDfreq=856.8Hz -0.6%err 941.0Hz PTCH= 62 MDfreq=934.3Hz 0.7%err 1209.0Hz PTCH= 74 MDfreq=1211.7Hz -0.2%err 1336.0Hz PTCH= 79 MDfreq=1350.3Hz -1.1%err 1477.0Hz PTCH= 83 MDfreq=1472.5Hz 0.3%err 1633.0Hz PTCH= 88 MDfreq=1640.9Hz -0.5%err