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Originally Posted by Sr SQ Ok, I kind of understand that for a active xover but I don't understand the benefit of it with the passives? My Quart passives have a bi-amp feature but I don't see how it would make any difference at that stage to wire them that way? |
There is some benefit but it is minimal. Manufacturers like MBquart and Alpine recomend to use their external passive xovers even in biamped configurations...Why?
a few reasons I think
1: if you have to ask, then you dont know enough about car audio to make the decision yourself!
2: prevents blowing expensive tweeters by incorrect connections or wrong crossover frequency settings
3: most higher end component systems with passive crossovers have some sort of frequency response correction networks and other adjustments possible.
4: you wont complain about spending so much for the set and not even using the fancy passive crossovers.
Keep in mind that even a single good 150watt rms per channel amp is more than enough power to drive a component set in the normal passive xover configuration
You will find that many OEM premium systems actually have electronic crossovers. It is very cheap to make an amp with e crossovers built in driving many smaller lower power amps for each speaker. No need for a big switching power supply etc.
