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I see in sub reviews the THD results get worse as frequency gets lower, and I imagine the PB10 is no different? PC

I can't remember the actual model and timeframe, but from memory it was a velodyne. I would have to drag out the old magazine copies to be positive on what he said. On another TN measurement subject I also seem to remember a dramatic model variation came in later retest with a B&W sub as well. A...

Ilkka R very interesting reading those graphs. So even the same reviewer might change something small and the readings may vary? I guess its why Nousaine trys so hard to watch his method and gear when doing measurements. Although didn't he say in Stereo Review he later has found areas where...

Thank you Edward, you always do a good job on explaining your reviews. I have a much better understanding of it now. Does Nousaine use continuous sine for his FR which he says he caps at 10% THD? Is there a standard time for the sweep that allows you to compare graphs from reviews? Or are they...

Thanks Ed. Trouble is my logic has me lost. :frowning: It seems that both are measured on a 2 mtr Ground Plane, with the FR numbers using a 10%THD limit, while the FR graph doesn't seem to have a measurement limit of 10% THD? I guess I am still trying to work out how the sub measured 94dB with...

I was reading both PB-10 ISD reviews and I could be wrong but does the 93.9dB relate to 20Hz on the chart? If so why does the chart show 105dB at 20Hz? PC