Instrument Frequency Chart
The Frequency Spectrum, Instrument Ranges and EQ Tips
How animals see the world (Infographic)
Have you ever stopped and wondered what version of the world your beloved dog or cat sees the world in? How is their perception colored and how do they perceive you? Most of us take for granted the gift we are granted with sight, but it may surprise some of you to find out that many animals actually have much better vision than we do.
U.S. Frequency Allocation Chart