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jaybird 10th September 2003 07:39 PM

diy subwoofer recommendations?
Hello everyone. I am new to building subs. Could anyone recommend a diy kit for a really nice musical sub that could also hit the lows needed for ht? My price can not go over $1000. I know this is not a lot of money for a really nice sub but if the project goes much over that, I would just rather buy one that comes ready to go. Thanks for your time. It is appreciated.:)

Cradle22 10th September 2003 08:06 PM


I don't know if the chassis is available in the US (and yeah, I also don't like the labelname, since I'm absolutely not into tekkno), but I would recommend the Zebulon Ultra, from one of the two German Speaker-DIY-Magazine.
It is cheap, and despite all expectations on such a 15" design, it is not boomy at all... I just (one hour ago) finished the sub (no paint yet, and some minor details still need work), and it is astonishing how deep, yet accurate it plays.
Take a look at
Example of a Zebulon Ultra

, they show you how it's built (not entirely uncomplicated) and how it looks (and don't underestimate its size, it weighs roughly 60 kg, about 60 * 60 * 46 cm).

I would say that there is no better sub for about 160 $ (chassis + wood + screws + material).

If the chassis is available, I could even send the construction plan.

I was just listening to it playing "Bohren & Der Club Of Gore", a German Jazz combo (having invented what they call "Horror Jazz", and the bass is such an improvement over my last sub (a 12" chassis mounted into a 55 l bassreflex volume)... My old sub was just boomy (and actually this one is more quiet), but this one goes down to the deepest volumes without hesitating.

I drive it with a "The End Millenium" diy amp, which should put out about 250 W RMS into 4 ohms. Maybe I will build something stronger later this year...

But probably most people would disagree with me because the "ingredients" for this sub just seem to be too cheap... But I'm happy with it...



roddyama 10th September 2003 09:33 PM

Here are 3 sources
If you search the WWW, you'll find many more.

Some questions:
Do you plan to bi-amp?
Does $1k include the crossover and amp?
Do you want to run stereo subs?

Timn8ter 10th September 2003 11:34 PM


My price can not go over $1000. I know this is not a lot of money for a really nice sub my house it is. Anyway, for a lot less than that you could build an Adire DPL12 in a small sealed enclosure (75-80 L) with a 300W amp. Heck, you could build two. Two subs isn't just a matter of more, it makes easy work of room modes.

elektratig 10th September 2003 11:47 PM

After doing a lot of looking, I settled on an Adire Audio 15" driver with an AVA 250W plate amp from Adire in a relatively small, sealed enclosure. I'm building it now, so no promises. Other options are the various combos at Parts Express, and the Stryke drivers looked very interesting as well.

sfdoddsy 10th September 2003 11:52 PM

I agree about the DPL12. Unless you need insane levels it is a great choice.

For the amp and cabinet, check out Rythmik Audio. They sell a very nice plate amp for about $150, and cabinets for a similar price. Best of all, their amps are available with a Linkwitz Transform to extend the response of the subs.

So you could build a pair of them for under your budget.



jaybird 11th September 2003 02:17 PM

Thanks for your suggestions. To answer a few questions:
$1000 for the entire project which would have to include amp and crossovers. It needs to hit pretty hard at 25hz. As long as the sub is not bigger than my couch I'll be alright with it. I don't need stereo subs, although if I can get the same output with two smaller subs, I would consider it. Does anyone know about the adire titan?
thanx for your input.

Doohan 12th September 2003 07:12 PM

Cheap Trick

Eminence Kappa 15 LF

Enclosure: 140 LTR BR tuned to 40 Hz


If u r using a DD-Receiver you dont need one otherwise

paulspencer 14th September 2003 03:11 PM

My suggestion: if you can't get the TS parameters, don't get the driver. Otherwise you won't know if it will be suited to a design that you like. This can cause problems like:you want vented but you can't fit a vent in the box that is big enough without port noise - so you end up needing passive radiatorsyou might find that it won't have as much SPL as you thoughtit might need a box bigger than you can accept

The list goes on ...

Also, consider looking beyond what you can get locally - check with overseas suppliers if they ship to your location, and ask for quotes for shipping cost (and how long it will take) ... don't forget to add customs.

Hope this helps,

paulspencer 14th September 2003 03:12 PM

oops sorry wrong thread (<<<newbie)
sorry, that was meant to be another thread
<<< newbie
dont' know how that happened

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