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Dayton Audio PM180-8 6-1/2" Wideband Midbass Neo Driver
For car door: Allowing these to run from around 100hz to around 4000hz... should provide plenty of midbass and midrange? The door is heavily dampened and sealed as well as can be expected. Also, I'll run plenty of power to overcome the higher impedance.
These should work very well for that application. With their high sensitivity they shouldn't need much power to get to their full potential.
Date published: 2015-01-16
Can this driver be a free air placement (for example put in my car door) or does it require an enclosure for maximum output?
These will work in a car door but they will be limited with output in the low end. These probably won't produce much useable output below 70-80 Hz and a high pass is recommended. I would also recommend waterproofing the back side of the driver since these cones are quite fragile.
Date published: 2014-12-12
What would the optimal porting be to get maximum bass in a 0.4 cu. ft. enclosure?
I would recommend a 2.5" diameter, 6" long port for a tuning frequency of 65 Hz and in room response into the 50's.
Date published: 2014-02-13