Different brand of subs on one amp
 

This may have been covered here before however I could not find any posts on it. I was looking to add another subwoofer to my system. I currently have 1 12" Bassworx and want to add another 12". As long as I find something will a similar RMS and impedance is it okay to mix and match subs?

no its not a good idea. Will it work, yes

yeah you can do it, wont cause any real problems, might sound like crap tho.

I think 'might' should be changed to 'will'

not necessarily

i did that back in my early days with this stuff just for fun, and the first time the subs needed way different power levels and sounded terrible. the second time they were both i think 150 or 200 watts rms and it sounded ok...not amazing but not so terrible

And dont forget it will really look tacky

The only way to really do it with out issue is seperate sealed chambers. Do not use a box that uses a common chamber.....why not just get another matching Bassworx. Easy to come by.

To: Anyone with mismatched subs
From: the general populace

If you have different brands or models of subwoofers in your car, the general populace (or greater proletariat) will laugh at you and therefore feel better about themselves.


Quote: John Vroom

indeed it is true, I will laugh! ;)

You would need two sealed enclosers as stated above.
1. It WILL look absolutely horrible
2. It WILL sound even worse!
3.

Sooooo....
1. Hide it
2. Use separate boxes
3. Learn to love the sound you get
see...there's a solution to every problem...ofcourse you could just get a matching sub and be done with it!

Okay consensus wins, likely won't do it. As for getting another bassworx I am not entirely satisfied with the range of the sub, it goes down to 30 hz. Was hoping to get a little lower. I'll just play around with the tuning more and see what I can get out of it.

Ok, stop the bus and get off. The sub will play to the tuning point of the box. 30 hz is almost into subharmonics and you need to be way far away from a sub to hear it, this is into the feel it territory. The box is going to determine what you hear and feel. Is your box ported (then you change the tuning frequency) or sealed (and it plays to a set point and then rolls off naturally). This is sounding more like a box issue than a sub issue. A sub just does not magically stop producing sound at 30hz jsut because a spec sheet says so. What generally will stop a sub from playing is a brick wall. Even if you employ a ported box with a subsonic filter (required), it rolls of the response at whatever the slope of the subsonic filter is, it still plays below it, just with little effort so as to keep your sub operating safely. Want better performance, add a second identical sub (provided you amp can operate a pair of them) and tell us about the box.

Box is self made, 3/4" MDF, glued and screwed. Rectangular with an internal volume of 1.4 cubic feet. At the upper range of the recommended sealed enclosure specs of 1.5 cubic feet. I am also within the specs for a ported enclosure as well so I could do that as well. Adding the second sub is definitely an option however the one store in my town (Kamloops, BC) that actually stocks bassworx sold me their last of the Bassworx 12.2 subs.

omfg lmfao!

If you decide to add a different mis-match woofer make sure you use a box that has a common chamber and they should sound fine.... there will be some differences in the subs but overall should perform ok together

well, if you're that east to get a laugh out of....i've got a few jokes for you....knock knock....

If you already have a different sub...just try it and listen. If it sounds good, keep it and use fabric covered grills to hide them.

I have lots of these subs in stock and get them into a ported box, they will come to life. Interested in me shipping one up to you?

I sure would be, likely within a couple weeks. What is your list price, I picked this sub up for $49 + tax. So ported is the way to go with these then?

No wonder they don't have any left in stock...... $49 they are pretty much losing money on them. Best price from me is $69.99 + taxes and shipping. They do indeed like a ported box. I have about 20 in stock.

Okay, still not a bad price. I'll let you know when the funds come in, like I said, probably 2 weeks or so. Thanks for the info

If your trying to get lower than 30Hz generally speaking your box will have to get much larger than 1.5cu ft. Your most likely looking closer to 2.00-2.5cu ft. per sub(plus the displacement of the sub itself). Throw the specs out the window, get the thiele small parameters of the sub and find yourself a copy of WINSPRO beta and play around. You could also post about it on here, there are many accomplished box builders on this forum! It is possible that your perticular sub will not be able to play that frequency range because of it's own physical limitations. The winspro program should be able to tell you where it's happiest

I am definitely thinking a new box is in order. I am yet to find a local dealer that has a generic box which is properly tuned for my sub. I am also not too keen on paying the quoted $250 for a custom box which is not even carpeted. Although I know it will sound much better it is still difficult to justify that price for a $49 sub. Anyone know of any builders in the Kamloops, BC area wanting to work under the table to a few bucks? Box made to mdf stage no finishing.

Sorry i meant winISD pro. There's a pretty good chance your $50 dollar subs won't do what you want them to. $250 for a good custom box is not that much to pay for a quality built box. Remember your not just paying for the box, it's the supplies and the blood,sweat and tears of the installer who's gone through build after build to get it right! If you want a generic box with a generic price be prepaired for generic,mediocre sound

I coudn't agree more, and yes I am aware that the limitations of the sub are such that I cannot expect the performance of something costing much more. I am just trying to find a happy medium with the price of a custom box. For $250 I may as well go out and get a packaged sub/box deal somewhere.

There is no guarantee that the packaged system has close to the right box for the subs...... right back to square one. Trevor in Salmon Arm (Thumpper here on the forum) builds some incredible boxes and I am sure he could set you up as well. Here is a link to his pricing. Worst case scenario, you have a 45 minute drive over to see him, then go to Armstrong on the way back and shovel the snow off the roof of my dad's house (he's 80 and is stubborn as all hell and there is no way for me to go see him right now).

http://www.canadiancaraudio.com/onli...e-pricing.html

:)Now those prices I can live with. cross my fingers on some O/T next cheque. I can't imagine there being enough snow to have to shovel it off the roof. I didn't realize this was Quebec. My rate is $75/h and travel expense, meals, accomodation, bonues for job well done, gas. The total will be $976.37. Can I expect the cheque in the mail?