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post #1 of 38 Old 12-23-2014, 01:28 PM - Thread Starter
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DIY subwoofer suggestion

I have been thinking of building a DIY subwoofer with a 10" or 12" driver in my home country (India). The plan is to buy the driver and amp in the US and design a matching enclosure there. However, if I can get a nice enclosure dismantled, then I can carry that and assemble there. I have decided to go for DIY subs because considering the size and weight of the readily built subs I cannot carry them overseas.
As far the sub is concerned, I would be using it mostly for the movies for a good immersive sound and chest thumping bass (not boomy). Room size is 14 * 16. Can anyone suggest some good drivers (10" or 12") and amp with matching enclosures (if possible) that would meet my expectations?
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post #2 of 38 Old 12-23-2014, 03:22 PM
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The bigger you go the more bang for your buck you get. Do you have a budget? Do you have a weight limit for the driver? Some of these drivers have huge heavy motors. Since this sounds like it might be a one time thing for you to build a sub IMO you should make the most of it. If you can get sheets of mdf or plywood locally that would be a lot more cost effective, $40 for a sheet can build a pretty big box.
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post #3 of 38 Old 12-23-2014, 04:10 PM
 
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Stereo integrity HTS in sealed box.
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post #4 of 38 Old 12-24-2014, 07:04 AM
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Your design is going to be influenced by what drivers/brands you can get in India.
I agree it is always better to go with the largest drivers you can get. If 18" are very expensive where you are, maybe try multiples of 12" drivers. A box with 2 or 4 12" drivers can model very well and produce good output.

12" drivers are popular in car audio and are available almost everywhere. A popular driver here is the Infinity 1262 that sells for about 60 bucks each. Not the best driver but for the money it is a very good value. Plus for the price you can use 12 or more of them and not break the bank.
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post #5 of 38 Old 12-24-2014, 07:23 AM
 
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India is close to china right? You should be able to get anything... haha
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post #6 of 38 Old 12-24-2014, 08:21 AM
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Quote:
Originally Posted by Achilles2205 View Post
The plan is to buy the driver and amp in the US and design a matching enclosure there. However, if I can get a nice enclosure dismantled, then I can carry that and assemble there.
I think he is purchasing the driver and amp in the us. The issue is the enclosure being to big to carry on the plane/boat.

I don't think you'll have any luck finding a commercial sub that you can easily break down and reassemble back at home. You can either buy a flat pack and either carry it or ship it back to India or cut up a sheet of plywood/mdf and bring that with you but like someone else said, if you're going to cut up sheet goods you should probably just do that at home. Maybe buy a tube of PL Premium and bring that instead.
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post #7 of 38 Old 12-24-2014, 11:46 AM - Thread Starter
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Originally Posted by Jay1 View Post
The bigger you go the more bang for your buck you get. Do you have a budget? Do you have a weight limit for the driver? Some of these drivers have huge heavy motors. Since this sounds like it might be a one time thing for you to build a sub IMO you should make the most of it. If you can get sheets of mdf or plywood locally that would be a lot more cost effective, $40 for a sheet can build a pretty big box.

The budget for driver and amp is 400 - 500$. The weight can be around 20 pounds. As I said the idea is to buy the driver and amp here and build the enclosure there. This is to avoid the weight of enclosure when I carry or ship the products.
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post #8 of 38 Old 12-24-2014, 11:56 AM - Thread Starter
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India is close to china right? You should be able to get anything... haha
Yea. That's only in map but in reality I could more Chinese goods in the US when compared to India.
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post #9 of 38 Old 12-24-2014, 12:09 PM - Thread Starter
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Quote:
Originally Posted by Boxozaxu View Post
I think he is purchasing the driver and amp in the us. The issue is the enclosure being to big to carry on the plane/boat.

I don't think you'll have any luck finding a commercial sub that you can easily break down and reassemble back at home. You can either buy a flat pack and either carry it or ship it back to India or cut up a sheet of plywood/mdf and bring that with you but like someone else said, if you're going to cut up sheet goods you should probably just do that at home. Maybe buy a tube of PL Premium and bring that instead.

Thanks Boxozaxu! You understood my problem well. Most of the commercial subs (ones like Rythmik, SVS etc) are good but they are huge as well and so I cannot carry or ship them. SVS has dealer in India but that's more expensive out there.

I can cut up sheet goods myself there or with some carpenter's help. I am looking for a very nice Quality Driver and amp, which will blend with my existing HT set up (3 Energy Rc-LCR and RC-R surrounds). I like watching movies with good sound effects and so looking forward to build a nice Sub. Any suggestions?
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post #10 of 38 Old 12-24-2014, 12:11 PM
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Quote:
Originally Posted by Achilles2205 View Post
The budget for driver and amp is 400 - 500$. The weight can be around 20 pounds. As I said the idea is to buy the driver and amp here and build the enclosure there. This is to avoid the weight of enclosure when I carry or ship the products.
Infinity 1260/1262 and an iNuke 1000DSP weighs in at about 25lbs gross. The Infinity works well in variations of a 24" cube as mentioned here.
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post #11 of 38 Old 12-24-2014, 12:30 PM - Thread Starter
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Originally Posted by smcmillan2 View Post
Infinity 1260/1262 and an iNuke 1000DSP weighs in at about 25lbs gross. The Infinity works well in variations of a 24" cube as mentioned here.
I am seeing the Infinity 1260/1262 drivers are for Car audio use. Do they sound good for HT purpose? They seem to be cheap sold around $60. I am planning to build only one subwoofer and so looking for a good quality driver. Will the Infinity 1260/1262 drivers meet my expectations?
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post #12 of 38 Old 12-24-2014, 12:34 PM
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Quote:
Originally Posted by Achilles2205 View Post
The budget for driver and amp is 400 - 500$. The weight can be around 20 pounds. As I said the idea is to buy the driver and amp here and build the enclosure there. This is to avoid the weight of enclosure when I carry or ship the products.
Well that limits you from the really beefy drivers, but you could still get a 15" with good xmax and power handling for less then 20 lbs

http://www.parts-express.com/dayton-...oofer--295-190

and this 500 watt plate amp only weighs 6 pounds. I have no clue if you need something 230v compatible?

That combo would allow you to build a very powerful ported sub comparable to commercial products around $1k
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Ok since you are buying here and carrying the driver home. Buy the best largest driver you can get. Go for a 18 if you can a uxl or a host will make sure you stay satisfied. The ultimaxes are good as well and are about half the price of the first two.
If you are doing just one skip the infinity option, one budget 12 is probably not going to be enough to keep you satisfied for long. The infinity sub is a good budget option but folks here use them in multiples to get enought output.
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post #14 of 38 Old 12-24-2014, 01:52 PM
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Ok since you are buying here and carrying the driver home. Buy the best largest driver you can get. Go for a 18 if you can a uxl or a host will make sure you stay satisfied. The ultimaxes are good as well and are about half the price of the first two.
If you are doing just one skip the infinity option, one budget 12 is probably not going to be enough to keep you satisfied for long. The infinity sub is a good budget option but folks here use them in multiples to get enought output.

I agree completely with this post. I know because I have 8 of them. I bought them because they are my nearfield subs and needed to be small. I have each one in a 1.5 cubic foot sealed box. If I needed or could only use one sub in my theater, it would definitely be a 18" diver such as the UXL or as @Mfusick mentioned Hts18. Inuke 3000dsp amp because they are light weight and efficient with a dsp.

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post #15 of 38 Old 12-24-2014, 02:31 PM - Thread Starter
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Well that limits you from the really beefy drivers, but you could still get a 15" with good xmax and power handling for less then 20 lbs

http://www.parts-express.com/dayton-...oofer--295-190

and this 500 watt plate amp only weighs 6 pounds. I have no clue if you need something 230v compatible?

That combo would allow you to build a very powerful ported sub comparable to commercial products around $1k
Thanx! can you also give me the amp name? 220-240v compatibility should be better or else I need to use a stepdown transformer.
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post #16 of 38 Old 12-24-2014, 02:38 PM - Thread Starter
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Ok since you are buying here and carrying the driver home. Buy the best largest driver you can get. Go for a 18 if you can a uxl or a host will make sure you stay satisfied. The ultimaxes are good as well and are about half the price of the first two.
If you are doing just one skip the infinity option, one budget 12 is probably not going to be enough to keep you satisfied for long. The infinity sub is a good budget option but folks here use them in multiples to get enought output.
If you had mentioned UXL-18, it's $550 and out of stock. Does it come with amp?
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post #17 of 38 Old 12-24-2014, 02:39 PM
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Thanx! can you also give me the amp name? 220-240v compatibility should be better or else I need to use a stepdown transformer.
Did I not link it? Guess not it was the Bash 500 and it isnt 230v
http://www.parts-express.com/bash-50...w-rms--300-752

This 500 watt amp is 230v selectable but it weighs 20 lbs by its self

http://www.parts-express.com/dayton-...ifier--300-807
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post #18 of 38 Old 12-24-2014, 03:04 PM
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If you had mentioned UXL-18, it's $550 and out of stock. Does it come with amp?

That is only for the driver, but that driver is two to three times of other drivers in output. Obviously you can't get one if they are out of stock, but maybe a used one or the SI HTS18 or even the Sundown Zv4. Those are some serious divers that you should take a look at and since you can only have one, those are the drivers you should look at purchasing. The sundown driver can go in a 3 cubic foot box and you can get the drivers cheaper than list. The Sundown driver actually models better than most in a sealed application.

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post #19 of 38 Old 12-24-2014, 04:30 PM
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I am seeing the Infinity 1260/1262 drivers are for Car audio use. Do they sound good for HT purpose? They seem to be cheap sold around $60. I am planning to build only one subwoofer and so looking for a good quality driver. Will the Infinity 1260/1262 drivers meet my expectations?
I've only had my 1260 for a month, but have had no issues with it thus far. I was originally looking at the SI HT 15", but the thread I mentioned earlier led me to believe that I could build a good sub with the 1260, so I tried it. Only out $60 if it didn't perform.

If you can go with a 15" or 18" as others have suggested I would do that. My 1260 is in a 32Wx29Hx16.5D slot port cabinet, in our living room on the main level of our house with wood joists. It hits pretty hard at around 18hz, which is where I tuned it with WinISD. On a concrete slab it wouldn't produce nearly as much tactile output. It is also paired with an Acoustech PL-200, but the 1260 on it's own would be fine for us (the pair helps even out the response across a wider area).

That being said, a lot depends on your listening preferences. We don't listen at reference levels, far from it. I max out the meter at 95db playing the pod rising scene from War of the Worlds. Not close to the output some of the others that have posted here are used to, but it's plenty for us.

Good luck on the hunt/build!
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post #20 of 38 Old 12-24-2014, 08:39 PM
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If you need a light weight amp that you can pack/carry home with you to India check out the Behringer class D style pro amps.
The i nuke series is very popular here and I imagine with a little internet shopping you can find one that works with 230v. Some of the pro style amps I have seen have even had a switch on the back to change from 120 to 230. Good luck shopping!
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post #21 of 38 Old 12-25-2014, 05:29 PM - Thread Starter
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Just a basic question on T/S parameters being a newbie to the DIY subs. What are the T/S parameters I should be mainly focusing while buying a new Driver?

I normally use to refer the frequency and power handling (in RMS but not peak) while looking out for the drivers. Are there specific parameters I should keep in mind while buying the driver?
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post #22 of 38 Old 12-26-2014, 02:43 AM
 
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If you want to meet your 20lb goal, this may be your only option, 19.7lb total. $200 total


http://www.parts-express.com/yung-sd...boost--301-508
http://www.amazon.com/Infinity-Refer...keywords=1262w
I don't think you will be very impressed, most here would consider 4-8 of these a starting point.


The sundown zv4-18 that was recommended is 71 pounds.
uxl-18 is 65 pounds.

If you change your requirements to less than 100lbs you will be happy.
1 of these http://www.parts-express.com/behring...-dsp--248-6706 $280 10 lbs This one is not 230v, but they make one.
6 of these http://www.amazon.com/Infinity-Refer...keywords=1262w $372 90 lbs total
$650 and 100lbs

Last edited by More is Better; 12-26-2014 at 09:47 AM.
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Another thought is to get 2 18" subs here. You can pay for an extra checked bag if you are flying, just check the 44lb box as a piece of luggage.
http://www.parts-express.com/dayton-...-coil--295-518


Then get an inuke3000dsp shipped from Australia when you get home. It will be a 230v model, it is hard to find anything in the US that is 220-240V. And only 10lbs to ship.

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post #24 of 38 Old 12-28-2014, 12:10 PM - Thread Starter
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Another thought is to get 2 18" subs here. You can pay for an extra checked bag if you are flying, just check the 44lb box as a piece of luggage.
http://www.parts-express.com/dayton-...-coil--295-518


Then get an inuke3000dsp shipped from Australia when you get home. It will be a 230v model, it is hard to find anything in the US that is 220-240V. And only 10lbs to ship.
Thanks for the suggestion! I will also need to carry 4 surrounds speakers (around 25 kgs) when I travel back. The one reason why I need a better subwoofer is because the 8 ' inch energy sub will not do much in my current set up (3 energy rc-lcr fronts, rc-r surrounds and rc-10s rear). So, I am trying to compromise on the weight at the same time looking for a good quality driver and amp. How about this 15 inch driver? http://www.parts-express.com/dayton-...-coil--295-514. Someone in this forum mentioned ultimax is a good driver. It is 35.3 lbs.

How about this amplifier? It is just 9 lbs. http://www.parts-express.com/behring...fier--248-6700

Last edited by Achilles2205; 12-28-2014 at 12:13 PM. Reason: Left an unwanted line in the bottom. Hence, corrected it.
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post #25 of 38 Old 12-28-2014, 12:53 PM
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Originally Posted by Achilles2205 View Post
Thanks for the suggestion! I will also need to carry 4 surrounds speakers (around 25 kgs) when I travel back. The one reason why I need a better subwoofer is because the 8 ' inch energy sub will not do much in my current set up (3 energy rc-lcr fronts, rc-r surrounds and rc-10s rear). So, I am trying to compromise on the weight at the same time looking for a good quality driver and amp. How about this 15 inch driver? http://www.parts-express.com/dayton-...-coil--295-514. Someone in this forum mentioned ultimax is a good driver. It is 35.3 lbs.
That driver would be fine. It's the 15" version of the one More is Better linked to above.

Quote:
Originally Posted by Achilles
How about this amplifier? It is just 9 lbs. http://www.parts-express.com/behring...fier--248-6700
If you go with the DSP version you can EQ the sub to your room/position: http://www.parts-express.com/behring...-dsp--248-6702
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post #26 of 38 Old 12-28-2014, 02:06 PM
 
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I understand 100lbs not being doable.
But is 9 more pounds going to be a dealbreaker? 44 vs 35 If it is then get the um15, it will certainly blow your little 8" away. But since you are set on getting only one sub, I would make it a um18 if you can spare the extra weight. You will be happy with that choice in the long run.
http://www.parts-express.com/dayton-...-coil--295-518




As to that amp, it would work with either the 15 or 18.


BUT:
1. Get the dsp version, like this one, so that you can set a high pass filter and eq right in the amp.
http://www.parts-express.com/behring...-dsp--248-6702
2. Get an amp that runs on the correct voltage. US power is 120V 60hz. You may need to call, or email, some distributors to find one. I bet they can order one. I think this would be way better than using a voltage converter. Remember that amps have large dynamic electric demands, it's not like running an electric shaver on a converter.
3. You can get the inuke3000dsp for $80 more than the inuke 1000dsp. And they are nearly the same weight. This is a very cost effective upgrade that will give you the option to add on more subs in the future. And the amp can run at a reduced load that will make it last longer than the 1000. You can set the limiter to limit the wattage to whatever you want with dsp.
http://www.parts-express.com/behring...-dsp--248-6706
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post #27 of 38 Old 12-28-2014, 02:46 PM
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I understand 100lbs not being doable.
But is 9 more pounds going to be a dealbreaker? 44 vs 35 If it is then get the um15, it will certainly blow your little 8" away. But since you are set on getting only one sub, I would make it a um18 if you can spare the extra weight. You will be happy with that choice in the long run.
http://www.parts-express.com/dayton-...-coil--295-518
Or if going with an 18" driver, the SI HT: http://www.caraudiobargain.com/b-sto...-18-subwoofer/

Saves you $130 and a couple lbs, throw some of that $ toward an amp with DSP.

EDIT: Looks like car audio bargain is out of the D4, and no longer shipping the B stock for free(?). http://stereointegrity.com/product/ht18-18-subwoofer/. Still saves $90 over the UM18.

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post #28 of 38 Old 12-28-2014, 03:29 PM
 
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I would want the best build quality I could afford if I was going to be 10,000 miles away with no way to return it. That's why I recommended the ultimax. I haven't heard anything bad about them.
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post #29 of 38 Old 12-28-2014, 03:37 PM
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I would want the best build quality I could afford if I was going to be 10,000 miles away with no way to return it. That's why I recommended the ultimax. I haven't heard anything bad about them.
Neither have I, nor have I heard of problems with the Stereo Integrity drivers.
Are people having issues with them? I've been looking into another build with one of the SI's, wouldn't want to buy a problem child...
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post #30 of 38 Old 12-28-2014, 04:50 PM
 
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Neither have I, nor have I heard of problems with the Stereo Integrity drivers.
Are people having issues with them? I've been looking into another build with one of the SI's, wouldn't want to buy a problem child...
They have been fried with less than rated power.


I personally have 2 huge paperweights. And was also told I was the only one.


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Originally Posted by N8DOGG View Post

I smoked 2 SI's with 2 x 500 watt Bash plate amps. Played some "scary xmas" and smoked them both on the same note. Needless to say I was not very impressed to have $300 paper weights in 30 seconds of use with less power than suggested. Still not sure if it was a run defect or what at at that point, I just threw them in the garbage and won't by anything from SI anymore.... Not to say people don't have good results, I just didn't in my case. Then was told that "no one else has smoked our coils other than me" only to get 5 pm's in the next 2 days with people that had the exact same thing happen lol

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