Again, TOTALLY new … This thread is really quite irrelavent in my opinion unless we know what type of music we are talking about. As there wasn't much room now I was using a different driver, I also had to use different legs. You can get this stuff at up to 24 inches in diameter online easily and can even get larger if necessary, not that I think you'd need wider than 24 inches for subwoofer building. I decided to build cylinder subwoofers and follow the sonosub style of build for a couple of reasons. These are the endcaps that I cut from a 4x8 board of inch thick MDF with a router. This led to the amplifier gain being increased, so I get the same out of them as I did before, but with an improved sound. The ones on the left are for the top and include a hole for the port, the ones on the right are for the driver on the bottom. I de… When it comes to outdoor sound, coverage and control are important considerations. I would recommend spraying instead of brushing as you get a nicer finish. I then tapped the endcap into the cylinder. In the room I use them in, I didn't need the full output that they give, so it wasn't an issue, but if I was using them in a much larger room and needed them to be running at near their max capability, I may well have kept them ported. There are a wide range of outdoor subwoofers for you to consider. I also used the Sonsub software. I've got speakers in both situations and have had to replace them more than once. I got hold of another cylinder and made some more endcaps. I got hold of some 45cm (approx 18 inch) diameter ductwork, which is available online for my subwoofer. No rear speakers. If you want to maximise the output though, then leave the ports unbunged as the port adds to the output, so you can get more bass. I have an outdoor covered patio with a TV and 5-channel surround run by a Denon 3803 AVR (125watts x5). I cut the hole for the port with the router at the same diameter as the pipe and then pushed it in. He came to my place and demoed my subs and I went to his place and demoed his. Anyone have any ideas? I wouldn't recommend doing it this way. I've included as many details as I could about the process, so if you are planning on making your own cylinder subwoofers, then hopefully you'll find some useful information! Some people may prefer the look of a box, but I like the look of these. After the endcaps had been sprayed, I then screwed them together. This was the foam before I stuck it inside the cylinder. This is amazing. A DIY subwoofer might just be the fix you’re after. This shows the ducting pipe, it's 18 inch in diameter. With spray glue and some swearing, I managed to get it all in there. As a matter of fact, I ended up listening to a pair of SVS PC13U subwoofers at a fellow AV geek's house. BK Monolith subwoofer, next to the new 15" driver. These are how they looked before I had sanded and painted them. https://picasaweb.google.com/thetube0a3/Boiler?authkey=Gv1sRgCImUxIqv9436MQ#, http://www.parts-express.com/tic-gs50-omni-directional-outdoor-subwoofer--302-129, http://www.parts-express.com/dayton-audio-sa100-100w-subwoofer-plate-amplifier--300-802, http://www.amazon.com/Kicker-KB6000-indoor-outdoor-Speakers/dp/B0051BS28A, http://www.bestbuy.ca/en-CA/product...spx?path=e725ae8c3035d5d0ad33094f2b11ba5aen02, http://www.bestbuy.ca/en-CA/product...spx?path=07038e60c4af5d6cef08d109aee0d407en02, http://www.bestbuy.ca/en-CA/product...spx?path=463200d02138da7c03de55e7a0bc7c6den02, http://usa.denon.com/us/product/pages/productdetail.aspx?pcatid=cocoonipoddocks%28denonna%29&catid=networkmusicsystems%28denonna%29&pid=ceolpiccolodtns%28denonna%29, https://www.youtube.com/watch?v=mUeDU8kD5jk, http://www.amazon.com/AudioSource-AMP-100-Stereo-Power-Amplifier/dp/B00026BQJ6, VerticalScope Inc., 111 Peter, Suite 901, Toronto, Ontario, M5V 2H1, Canada. Make sure you've got hearing and eye protection, as it's incredibly noisy and you really don't want a piece of hot metal going in your eye. But once I'd started, then I had to get it done, so that's how these were done. The quality of sound from these subwoofers is absolutely fantastic, they have a lot of power so can shake the doors in the house if I want them to, but they are also capable of subtle and detailed bass. In the background is the 6 inch drainage pipe that I used for the ports and you can also see the driver. Well for xmas my beautiful wife got me some AW650's and I know I wont be happy with them without a sub. If I'd had a larger budget and a larger room, then I would've just gone up a size with the cylinders. I wanted a nice air tight fit. There was nothing wrong with it, but I decided I wanted an improvement in quality and output, which is why I decided to get stuck into the DIY project. You only need to be able to cut the wood for the endcaps. 31 January 2019: Designing and building your own subwoofer for your audio system can be a great way of improving its sound. That looks like a great project. Need some advice\input, Looking to build an outdoor\patio subwoofer enclosure and find a suitable subwoofer to put in it. There is to my ears anyway an improvement in sound quality now so I'm leaving them like that. You're better off using decently sized speakers up on the wall instead. They are easier to use, install, and combine with receivers and speakers. Is there a way to use the LFE output from the receiver to feed the signal to the Amp? The room is blacked out apart from the back wall which is the one you can see here, I took the photos with my back against the screen. There are 10 pieces on the cap stacked on top of one another and glued. I'll see if I can get a pair of the Kicker KB6000 then and try them out. I've had good products from monoprice before, including their 5.1 premium surround sound system, so I figured the outdoor speakers would be good too, even based on their reviews. This is the subwoofer I had before. Once I'd dropped the cylinder onto its side again, this is the view I had looking down towards the driver. This stops any resonance from the top cap when the subwoofer is working away. Here they are together. Outdoor subwoofer DIY. As a result a bit of real-world experience has taught me a few things. It's strong cardboard tubing that is used to cast concrete. There was no doubt in either of our minds that mine sounded considerably better than his. I don't need it to be very large out of consideration of my neighbours, just something to pair up with my 80W outdoor speakers. After I'd made the endcaps, it was simply a case of repeating what I'd done the last time, getting the endcaps inside the cylinders and lining the outside with fabric. Helping You to Do It Yourself! This was the first stage of the build, cutting the cylinder to size. The subwoofers are hooked up to a Behringer EP4000 power amplifier. I made it about an inch bigger than the cylinder to stop it from going in when I tapped the endcaps into place. I modified the fan by replacing it with a much quieter type. I originally decided to build a single 320 litre ported cylinder subwoofer, tuned to 14.5hz, with a 15 inch driver from Acoustic Elegance. After this, I could shout or clap into the cylinder and instead of there being a reverberating echo, it was dead sounding. It's still very tough so be prepared for some struggling. Spray contact adhesive is good for this, just make sure you have plenty of it. It will be on a covered deck (or under the deck on the ground, or between joists). They have a couple of outdoor subwoofer options, including this one: You are correct when speaking of guitar amplifiers.That's why I specifically spoke of bass amplifiers.The less thd the better for bass. This article is all about how I made my own DIY cylinder subwoofers. This is the view I had after it was done. As you can see there is very little room, so the terminals now had to go onto the topcap, with the speaker cable running down the inside of the cylinder. An outdoor subwoofer can pack the same punch as your indoor subwoofer. I used it in my home cinema room for about six months, then I decided that I wanted a bit more output. After the driver was in, then I attached the floor plate. That's the magnet that you can see in the distance. This shows the dimensions of the subwoofer, modelled using the program 'sonosub', which is an excellent and free program. Of course this meant making new endcaps. The quality was great, but I just wanted a bit more headroom. This is what it looked like once I'd got the topcap in. If you decide to go for the sonosub style, your location will influence your choice of materials to use. This can be done with a measuring tape and marker pen. This is the top endcap, once the port had been fitted. This is a BK Monolith subwoofer, which is very well regarded and gets excellent reviews. Sonosub allows you to work in both imperial and metric measurements. The Granite-10D has a 10-inch woofer and two 2-inch voice coils. I have already written an article on here detailing the planning stage of building your own subwoofer so check that out if you want more information, this is more of a hands on guide on the process of actually putting one together. For some reason I usually use a combination. I didn't need to line the outside for acoustic purposes, but I thought it would make the subwoofers better to touch if they were lined on the outside as well and it worked well.