Switch #1 – 330hz// Switch  #2=480hz// Switch #3=650hz

 

Switches 1 & 2 = 270hz // Switches 1 & 3 = 300hz

 

Switches 2 & 3 = 390hz // Switches 1, 2, & 3 = 250hz

 

Switch #4 is a 6khz shelf

 

All switches have 10db boost & 400hz passive cut