Bus_Boy Posted September 4, 2012 Posted September 4, 2012 What sort of outcome could i expect from stuffing lots of small (2.5-3'') full range drivers into a sealed enclosure? Something like 16 drivers per enclosure, in rows of 4. Thinking about an easy solution to making my own "lcr" HT speakers without the need to play around with xovers.
beau Posted September 4, 2012 Posted September 4, 2012 Sounds like a line array sorta. I wouldnt put them in rows as such. Need to be in a single line, top to bottom. Hows Cairns mate?
georgepapa Posted September 5, 2012 Posted September 5, 2012 Don't do it. It won't sound good. Line arrays have to be done with a lot of care and science to avoid phase issues which result in an effect called combing. The vertical line array is virtually the only successful design for HiFI. The design you are suggesting would certainly increase power handling and would make a great electric guitar speaker, but you won't find it used in HI FI. In fact, just one of those drivers in a box will have less problems and sound better than a bunch of them. Less is more!
Bus_Boy Posted September 5, 2012 Author Posted September 5, 2012 (edited) Sounds like a line array sorta. I wouldnt put them in rows as such. Need to be in a single line, top to bottom. Hows Cairns mate? Starting to warm up, i'm working in a cold store now so not too bad I think i've shot myself in the foot a bit when i chose the screen size. I fitted a 140'' screen in the same room we were in when you listened to the cd player, so i only have about 500mm above and below the screen, and about 800 either side. I'm maybe even thinking about some active monitors like the event 20/30's which look to be designed for horizontal use, that way i can just a pre-processor. Edited September 5, 2012 by Bus_Boy
Paul Spencer Posted September 6, 2012 Posted September 6, 2012 When they get to about 3" that's a bit of a "sweet spot" where they can easily get up to 20k and just barely make it low enough to integrate with a sub. Using 4 gives you more decent output, but you will still find they are quite limited. If you manage to get them to run down to 80 Hz, a workable point for a sub, they will be struggling and run out of puff early. BTW, Antripodean is selling some Mark Audio 6.5" drivers - 4 of them, you could build the front 3 channels with those, then add another pair for surrounds. That's a simple solution to get your feet wet without too much trouble.
georgepapa Posted September 7, 2012 Posted September 7, 2012 Bose 901's were actually a very unconventional design and relied on room reflections to achieve the desired dispersion. They also featured a front mounted tweeter, I think. These speaker at times could sound outstanding but could also sound all over the shop depending or room acoustics. Great in big rooms with meticulous placement.
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