Originally Posted by ntrain96
I will dig up all the pics I have of the xover boards from my Revel Salon's to show you exactly how cheap the parts are. very basic poly caps, sandblock resistors and air core coils, all 24db octave steep slope points.
Lets start with the air core coils. Those are EXACTLY what you want! Iron core coils have much higher distortion than air core.
I don't know what you call basic poly caps. But when I built my XOs most of what I bought were from Parts Express, using mostly Solens, and a few Daytons. All considerably better than what JBL used back in the '70s.
As for resistors, I've used many types, including sandblock.