- Full Range Drivers For Open Baffle Speakers
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- However both are marketed as full-range drivers and therefore the comparison on similar open baffles should be fair. Supravox open baffle from the side. Supravox 215-2000EXC field-coil driver from behind.
- Duet15: one 15″ Open Baffle Bass Woofer and your favorite full range driver up to 15″; Speakers size: 54cm wide, 89cm high. Duet15 TB is available with Passive Crossover. Trio15: two Eminence 15″ Open Baffle Bass Woofer and your favorite full range driver up to 15″;Speakers size: 54cm wide, 120cm high.
- Full-range (or wide-range) drivers come in two general types: the center cap and the whizzer cone. The center cap type looks like your normal cone speaker with a dome center cap. The whizzer cone type has two cones, a large cone (as in normal cone speakers) and a smaller whizzer cone inside the large cone.
post #1 of 8Old07-16-2011, 10:04 AM - Thread Starter
https://disakaisersalsa.weebly.com/kick-2-vst-mac-crack.html. https://newmajor960.weebly.com/cubemen-2-free-download-mac.html. Earlier this year I built an open baffle system with a Mark Audio Alpair 10.2 full range driver and a H-frame Eminence Kappalite 3015LF Neo 15' driver per side. This actively crossed over setup won first place at the open system classification at the Parts Express sponsored Midwest Audiofest in early July. Scania truck driving simulator code generator for all versions download. Mujhko hi raah dede mp3 download mp3. https://beachrenew503.weebly.com/toy-defense-keygen-for-mac.html. Wuxia translation pdf file. Dragon ball legends download mac. By the way, I live in Cookeville, TN.
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Hello, got a few questions about a little project I'm working on. I'm basically making a small pair of full range, open baffle speakers. Their not intended to be a serious pair of speakers, just a bit of fun and to practice my woodworking. However I'd still like them to sound reasonable if possible.
So I've been looking at drivers (been looking at some peerless 3' models) but am unsure what would be a good choice. I'm after something small, they're only going to be small speakers and I can always use a sub with them if need be. So I'm looking for a reasonably cheap full range driver, around 3' would be ideal, which you could use with an open baffle setup.
Hope that all made sense, any help greatly appreciated.
So I've been looking at drivers (been looking at some peerless 3' models) but am unsure what would be a good choice. I'm after something small, they're only going to be small speakers and I can always use a sub with them if need be. So I'm looking for a reasonably cheap full range driver, around 3' would be ideal, which you could use with an open baffle setup.
Hope that all made sense, any help greatly appreciated.
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There are a ton of 3'. I've been working with the fountek fr88ex lately. Not open baffle though. Sounds reasonable for a 3' full ranger. Depending on your budget, I've heard to CSS EL70 in a bass reflex and it was great. Lots of bass which may come in handy being an OB. 4' though and about $100 a pair. Tang band has lots of selection. I have a pair of 3' prototype tang bands. Serial numbers 1 and 2. So I can't tell you the model. But the were not quite as good as the fountek. Had a slightly rising measured response compared to the fountek. That's typical of tang band I believe. Very cheap though. They can run as low as $20 a pair. I'd sell my protos for that much.
If you have $100 to spend, the el70 or chr70 would be best as they have a beefy bottom to counter baffle step and OB.
If you have $100 to spend, the el70 or chr70 would be best as they have a beefy bottom to counter baffle step and OB.
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Originally Posted by TRecord Hello, got a few questions about a little project I'm working on. I'm basically making a small pair of full range, open baffle speakers. Their not intended to be a serious pair of speakers, just a bit of fun and to practice my woodworking. However I'd still like them to sound reasonable if possible. |
I say that having heard a variety of open baffle setups (and built Linkwitz Orions) including a $40,000 pair of Feastrex field-coil drivers with and without woofers on Nelson Pass's big baffles (Nelson is a super cool guy and analog whiz but that's not enough to crutch a flawed concept into acceptable sound).
Your problem is that dipoles roll off at 6dB/octave with output matching a monopole at .17 * v / D with v the speed of sound (1130 feet/second) and D the path length difference between both sides of the driver to listener which is baffle width on a flat baffle. At .5 v/ D the reverse polarity rear wave (from the acoustically small drivers) is delayed a full 180 degrees producing a 6dB peak and beyond that you end up with a multi-lobed polar mess approaching the null at .75 v / D and beyond until driver directivity precludes an acoustic dipole response.
Baffle widths need to be small to avoid the polar response problem and you need multiple widths with multiple drivers and/or equalization to get the bass.
So I've been looking at drivers (been looking at some peerless 3' models) but am unsure what would be a good choice. I'm after something small, they're only going to be small speakers and I can always use a sub with them if need be. So I'm looking for a reasonably cheap full range driver, around 3' would be ideal, which you could use with an open baffle setup. |
If you want to play with full-range drivers, the small Fostex drivers work great in tall thin back-loaded horn enclosures. Output levels are severely limited from the low displacement but they sound natural and have some bass.
If you want open baffles accept that it will take equalization and 2-3 drivers until you can use a sub-woofer for the bass.
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post #4 of 8Old07-17-2011, 07:06 AM - Thread Starter
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Thanks for the advice, I didn't realize there would be such a large trade off in terms of sound quality with a small open baffle setup. The more I look at the design the more problems I encounter. So I'm now re-thinking my design and am considering a slim, tall, ported cabinet design instead. Possibly with a larger driver, something around 4' to give a little more bass response.
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Quote:Originally Posted by TRecord
Thanks for the advice, I didn't realize there would be such a large trade off in terms of sound quality with a small open baffle setup. The more I look at the design the more problems I encounter. So I'm now re-thinking my design and am considering a slim, tall, ported cabinet design instead. Possibly with a larger driver, something around 4' to give a little more bass response.
Thanks for the advice, I didn't realize there would be such a large trade off in terms of sound quality with a small open baffle setup. The more I look at the design the more problems I encounter. So I'm now re-thinking my design and am considering a slim, tall, ported cabinet design instead. Possibly with a larger driver, something around 4' to give a little more bass response.
Full Range Drivers For Open Baffle Speakers
Definitely a good idea to re-think that. Listening nearfield like you plan would have helped, but it would have still been an issue. The full range forum on www.diyaudio.com has a lot of good designs like you describe.
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Best Open Baffle Speaker
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I have similar speakers to the ones Drew described (Linkwitz Orion) and agree with everything he says.
However, I just built a much simpler two way OB for the bedroom using an 8 inch mid and tweeter. Because I don't listen loud in bed, the 8 inch has enough xmax for me to run it all the way down to 50Hz.
But it does need EQ as described.
However, I just built a much simpler two way OB for the bedroom using an 8 inch mid and tweeter. Because I don't listen loud in bed, the 8 inch has enough xmax for me to run it all the way down to 50Hz.
But it does need EQ as described.
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Quote:Originally Posted by TRecord
Thanks for the advice, I didn't realize there would be such a large trade off in terms of sound quality with a small open baffle setup. The more I look at the design the more problems I encounter. So I'm now re-thinking my design and am considering a slim, tall, ported cabinet design instead. Possibly with a larger driver, something around 4' to give a little more bass response.
Thanks for the advice, I didn't realize there would be such a large trade off in terms of sound quality with a small open baffle setup. The more I look at the design the more problems I encounter. So I'm now re-thinking my design and am considering a slim, tall, ported cabinet design instead. Possibly with a larger driver, something around 4' to give a little more bass response.
Consider a back-loaded horn unless you're limited to computer-speaker sized micro cabinets. That gets you SPL from minimal driver excursion over much wider band-width than a ported enclosure which is pretty important given how little full-range drivers give you to work with (under 1mm; I'd guess a longer voice coil is too inductive and would roll-off the high frequencies).
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