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Fountek FW200 8" Aluminum Midwoofer Speaker
I have a pair of Vintage Infinity Reference 4 floor speakers; J392's, Nominal imp: 6 ohms, crossover: 300Hz; 4KHz, Freq.resp: 44Hz-40KHz. Will these be good replacement woofers. They seem very close in all specs including diameter. 5" midrange too.
Yes these will work well in that application.
Date published: 2014-12-16
If 2 of the these were in a sealed box what size box would be needed? Would they be wired 4 or 8 ohm?
Two of these will require a 3 cubic foot sealed enclosure for an optimally flat response. You could get away with a slightly smaller enclosure and not effect the performance drastically. I would recommend wiring these in parallel for a 4 ohm load.
Date published: 2014-12-05
what would be a recommended box size for this if used in a two way tower? What port size would be best to reduce port noise? Will the Dayton Audio XO2W-2K 2-Way Speaker Crossover @ 2,000 Hz work with the Fountek Neo 3.0 and the Fountek FW200 8" midwoofer
The recommended vented box for this woofer is about 3.8 cubic feet. You can get away with a smaller volume, but there will be a bump in the frequency response above the tuning frequency which could create the "muddy" bass. This woofer would perform better in a sealed enclosure of about 1.5 cubic feet and heavily stuffed, providing in room response into the 30's. That crossover will work well with the Neo 3.0 and this woofer. You may need to pad the tweeter with an L-pad to match the woofers output.
Date published: 2014-11-25
I'm planning on building a 3 way box using this woofer as the low with isolated camber. What box volume would you recommend for it, vented box I would like to tune it to 30hz?
The recommended vented box for this is 2.5 cubic feet with a 3" diameter, 6" long port for a tuning frequency of 30 Hz.
Date published: 2014-04-25
what are the highest x/o points for this driver (1st order and 2nd order)
I'd like to pair with Accuton tweeters, which can be used w/ first order x/o's (within manufacturers recommendations)
I would not go higher than 2,500 regardless of order. If you are using first order, I would recommend something around 1,000-1,200 Hz. Second order would be safe at 2,000 Hz.
Date published: 2013-08-19