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Dayton Audio RS180-8 7" Reference Woofer
Are these drop in replacements if you need to replace the woofer in a design that uses the previous Rs180-8 shielded?
One of my woofers went bad and I need to know if I have to seek out a shielded rs180 or not. Will crossover mods be necessary?
The unshielded Reference Series drivers are designed to be drop-in replacements for the shielded Reference Series drivers. No crossover adjustments should be needed.
Date published: 2012-05-04
For Celestion 5?
Would these be a good replacement for damaged Celestion 5 woofers? The size is about right.
It's a great driver - check the T/S parameters with a box calculator to see if the box volume is close - or look at speaker building, woofer selection guide on this site
Date published: 2012-06-11
What volume would this take up in the box?
I assume what volume do you add to the box to compensate for driver displacement. Fogiving the thickness of the baffle - your major concern is the size of the magnet. For the sake of conservatism, assume 2" thick x 7" diameter. Using PiR2 (Pi R Squared) - you can figure an approximation that is adequate for anything outside of laboratory measurement. For more accurate numbers - measure an actual driver, or buy a "spare" as we call in design - a "Sacrificial driver" that is broken and used for routing. In this case - you would dip it in water to see how much volume was displaced - which would be the most accurate.
Date published: 2013-11-04
What would be the correct sealed enclosure volume for this driver?
I am going to build a set of boxes to hang on my porch. I was thinking about a MTM design, I was wondering if it would be better to have one chamber for each driver or both drivers share a chamber? I am going to use DC28F-8 tweeters.
I would recommend .3-.4 cubic feet per woofer. This will provide an in-room response into the low 40's. You do not need separate chambers for each woofer although cabinet bracing is recommended.
Date published: 2013-08-01