Making a High-Pass Crosser over per speaker

[SlainNothing 10+ year member]

I have a Kenwood 225MR for my boat and it does not have high pass crossover/filter.

the deck powers 4 co-axial speakers and im woundering if this is correct

with the bass at -8 it doesnt remove the lows enough so say:

saying at 80 hertz with a 6db slope would that almost filter out the lows or would a 12db work better?

for 6db

500uF

http://www.partsexpress.com/pe/showdetl.cfm?&DID=7&Partnumber=027-378

am i correct?

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[Bake 10+ year member]

I would say go with the 12db in a boat. What you really want them to do is get loud to get over the engine noise right? A 12 db slope will let you speakers get louder with less distortion.

 

[SlainNothing 10+ year member]

yep the engine is loud 94' mastercraft

12db or even 18db is but thats gets into some work