And here are the values with Jérôme's turntables:
Rega P9 Verdier
3163.9 Hz 3159.9Hz
Method 2 Sigma : +/- 0.22 % +/- 0.16%
Dynamic : +/- 0.19 % +/- 0.11%
Raw Freq :
Max Deviation relative : -0.5% /+0.7% -0.54% /+0.46%
absolute : -16Hz / +22.4Hz -17.1Hz / +14.6 Hz
Low Pass Filtered Freq :
Max Deviation Relative : -0.02 % / +0.05% -0.04 % / +0.05%
absolute: -0.8 Hz / +1.7 Hz -1.2Hz / +1.7Hz
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