Can I make a three-way tower with a subwoofer? - AVS Forum | Home Theater Discussions And Reviews
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post #1 of 5 Old 04-19-2019, 10:35 AM - Thread Starter
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Can I make a three-way tower with a subwoofer?

I've kinda been curious about this concept for a while, motivated by the surprisingly wide frequency response of Dayton's HF subwoofer drivers, showing a well controlled response well past 1k. It seems like I could grab a 375/3000 crossover and combine one of these subs with a bookshelf or more likely MTM speaker arrangement and build a 20-20k tower. Yeah it'd need a healthy amount of power to drive it, but if the levels were properly balanced then would this be a reasonable design to pursue? Another variation would be to make these active towers and run a two way amp with digital sub crossover and passive tweeter/mid crossover. This would be an easier system to control and balance, at considerable expense of course. This is all pretty much working with off the shelf equipment from Parts-Express, so it's hardly a serious design project.

I know I've seen some tower speakers with passive radiators or occasionally something resembling a sub, but very rarely an actual subwoofer. Goldenear's speakers come to mind. Is there a fundamental problem with the ideas I'm working with here? Will it behave as it looks on paper?
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post #2 of 5 Old 04-19-2019, 11:17 AM
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Is this for 2 channel music or movies. If 2 channel music is the aim, then I can see a benefit. If for movies, maybe not so much.

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post #3 of 5 Old 04-19-2019, 11:24 AM - Thread Starter
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Originally Posted by johnson636 View Post
Is this for 2 channel music or movies. If 2 channel music is the aim, then I can see a benefit. If for movies, maybe not so much.
All purpose, but more of an emphasis on music. For movies this system would run dedicated subs, but the fantasy configuration is that there is no receiver crossover on the front towers, and the separate subs would run LFE and crossover from the surrounds.
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post #4 of 5 Old 04-19-2019, 11:29 AM
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Go for it.

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Audio: 5.2.4 Marantz SR7011- (LCR) Stage Right 15" PA- (Surrounds) (4) BIC FH6-LCR- (Atmos) (4) Dayton Audio B652 6-1/2-Inch- (Subs)2 23ishcuft ported HS24s 14-15Hz tune- 4 MOFO 15s in 2 dual ported cabs 17Hz tune- FP20000Q- 2 Sanway FP10000Q- Crown XLS1500- . To be continued...
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post #5 of 5 Old 04-19-2019, 12:49 PM
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The biggest reason this isn't usually done is that the best place for a subwoofer is rarely where you want your front speakers. Sub placement is hugely important in getting the best low frequency sound in your room and is highly room dependent.

Having a separate sub (or several!) is much better in almost every room.
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