@audioman58
for-they are hidden ,and MFG are always trying to save $$ they try to get respectable audio response without added expenseYou don’t make much sense, Magico is not hiding these parts, obviously you know what they are, right? Garage speaker builders like to brag about that kinda of stuff, since XO parts are more or less the only one they can easily change. Let us know when you actually do the deed, good luck!