Will my Subwoofer work Infinite Baffle? pt2
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- Опубликовано: 13 сен 2024
- How will your sub perform in an infinite baffle setup? Check it out here!
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The ultimax series has a lot of headroom on the xmax, xmech is actually somewhere in the low 30s(on the 18, in the high 30s). You can definitely go over xmax and not have problems. And assuming the driver is broken in properly, there is a 99.9 % chance that you are not going to have problems. Xmax just tells you when the motor force weakens by 30%, effective motor strength being 70% of 0mm excursion.
Mate, thanks for the informative video. A question for you..., I am using dual Rockford P215S4 in a 15cu feet space for Infinite baffle, I used these subwoofer due to the low FS and a QTS of nearly 0.6 so I thought it is ideal. I am running them with a Phoenix Gold RX1100.1 amplifier in two ohm load. So far, I am happy with the result but I will soon change the subwoofer to a Soundstream Rubicon RS12 subwoofers since the Rockfords are deep. They are the original Rubicon series with blue speaker basket. Would you recommend them as an Ib install?Thanks for your video mate!
boy that guy in the comments in the last video was spot on when he mentioned cone xcursion. love info on these weird box types. your pretty knowledgeable on this topic. got some mall questions. heres a starter. can you please expand on the most basic argument in box history. ported vs. sealed. so trying to make this quick.
so the port only provides support for the woofer And only amplifies the sound at the tuning frequency? so anything above this the cone gets no support or amplification from the port. so basically above the tuning frequency in a ported box, the speaker acts as a sealed box? part II. does the sealed box porvide support for the woofer the entire frequency range. or just down to the tuning frequency. then below tuning on the sealed box, it starts to become unloaded and go xmax crazy?
also. dont understand how tuning really works on sealed boxs. it all depends on how big the box is, is how low its tuned? so in a 4th order, never understood how the ported section handled the highs and the sealed handled the lows. so sealed is good for lows?
spent all this time understanding ported boxes while forgetting the basics, sealed and all the great things a sealed box is good for.
indopleaser I'll have to do a video on this. But basically a sealed subwoofer doesn't have a tuning frequency per se. The size of the Box does determined what the frequency response will look like. However if you put it in a box not designed for it, it can still have trouble with cone excursion.
123Toid have an idea for a subwoofer box. listen to this. a 4th order bandpass box with a single 12" in the middle. the ported side is normal. the sealed side, the low tuning side, will use a 15" passive radiator. due to passives needing around double the cone area in relation to the active woofers cone area. could be a cool idea. also would make getting access to the subwoofer really easy. undrill the passive, and your looking right at the active.
@@indopleaser that's effectively a 6th order, since a PR functions similar to a port. A sealed box controls excursion, through change in pressure, it doesn't care about volume or frequency, however, higher power and lower frequency both result in more excursion, which it does affect. A sealed box will apply more force the more excursion there is, so it limits the abilities to play low and loud at the same time. A ported box acts as a sealed box until it gets near tuning frequency, in which case the ports starts to have output of it's own, that is constructive to that of the sub itself, leading to an increase in volume and efficiency at and just around tuning frequency, but after that the box falls off faster, maybe because port output is partially cancelling sub output? Idk the answer to the last part. It may also unload the sub, in which case it would be important not to drop far below tuning freq at high volume, because it would act closer to ib, which your amp wouldn't be tuned for, and your sub could hit xmech (which, importantly, and not mentioned in the video, is different than xmax. Passing xmax with subs is not uncommon)
Very informative 👏
Thank You!
very nerdy, great video. thank you
You're welcome! I'm glad you liked it!
I'm doing a infinite baffle trunk setup and I'm stuck between the ultimax 15 and 18 any help is appreciated.
More is more, less is less. Generally, all else being equal, bigger gets lower, smaller is faster, what do you want more, extension downward, or transience and upward extension?
I’m thinking the ultra max 8 inch Dayton for my infinite baffle. So I’ll need an EQ for it ?
u will need a lot of them for a infinite baffle
@@zorhis1996 and youd need even more for acoustic suspension (sealed) but I guess this comes down to goals and expectations and listening environment and music selection and.... lots of things, so we cant make assumptions.
will this work in car audio also?
yes
Can you link this program?
www.linearteam.dk/?pageid=winisd I have series dedicated to learning it. found here: ruclips.net/p/PL6hjpiCHZmIOAv44PCreW5KlI35h1mTZK
That is not a link to winisd . . .
So do u recommend a dayton UM15 in a 16cuve trunk im thinking either 1 or 2 of them