Polk sub's crossover range

[northhillca]

Anyone knows the range of crossover for RM6900 sub? In the back there are no numbers, just division marks. thanx.

[ben62670]

I have no idea. I would just like to welcome you to Club Polk.
Someone should know. Is this the Old school Isobaric quad 6x9 bandpass box from around the early 90's?
Ben

[engtaz]

The manual shows 80 to the far left, 100 top, and 120 far right on the dial.page 7 of the manual. http://www.polkaudio.com/downloads/manuals/home/RM6900_Manual.pdf
Welcome and have fun