View source for File:Frequency chart SOSUK-Nov2012-hires.png

== Summary ==
Used with permission from "Sound On Sound" per Paul Gilby. The original .pdf page must be linked as https://www.soundonsound.com/sound-advice/sos-audio-frequency-chart.

"Yes you can use the chart in that context as long as you continue to include the direct link."

I used: "The above graphic is used with permission from [https://www.soundonsound.com Sound On Sound], and is [https://www.soundonsound.com/sound-advice/sos-audio-frequency-chart available directly] from the Sound On Sound site as a poster in .pdf format." to give them credit.