Do you need to Break In Your Subwoofer?
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- เผยแพร่เมื่อ 18 พ.ย. 2023
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Do you need to break in your subwoofer? In this video we settle the question once and for all plus we test a subwoofer to show what happens when you break one in and discuss the break in procedure.
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Running an 8k @ .5 I'm taking no chances... We doing a break in, better safe than sorry. I always enjoy your videos 👊
In that case definitely break them in.
Same here I’m running 6 dc level 6 18s with LR surrounds 1.4 ohms each wired to .97 on each of my crescendo 17ks. I been thru 3 sets of recones with clean power over the last 6 years you can go full tilt if you want to and almost cough up 1900 bucks in recones if you want to let them break in 🤣
Tip: break in your subs (free air) in pairs with 1 sub wired inverse polarity. That will virtually eliminate any noise from your overnight break in period.
That is clever!
As always, your videos are very educational.
Glad you like them!
2 things I'd like to bring up:
In the DATS manual, it has a section about margin of error. The differences you saw are within the tester's margin of error. You can test this by measuring the parameters of a woofer repeatedly and they will vary a percent or two on back to back tests because of margin of error.
Also, the changes you saw are all within a few percent which in real life shows no audible difference. As you noticed based on the temperature, that has more of an affect on the parameters.
Great video and layout of detail!
Thanks for sending out those subwoofers. Can't wait to build a box for them.
Good Job Jonas.
Very good video! I like your technical stuff the most.
Just a little note here for those who wonder: You don't have to break in a sub when designing an enclosure. That's due to the fact that during break in, all parameters change in a way that keeps the simulated response almost the same. What is important though is that TS - parameters change quite a bit under high voice coil temperature and excursion. Then, indeed the response curve changes.
Yeah, I learned a lot from doing these tests.
So in simple terms with regards to the enclosure build process, I just take the TS Parameters from spec sheet (reputable manufacturers) and design the enclosure without breaking in the sub?
@@wazy_admrlyes bc there’s so many variables changing ts parameters all the time it won’t always be the same
@@wazy_admrl Yes
Great video bro! 👍
Glad you liked it
Glad you brought up ambient temp... @ -20f... I suggest 25% volume and less for a few songs 🎵 😅 the triple joint tends to stay together ❤ 🎶 👌
Noted!
My Crossfire xt3 18's are on 44,000 watts, and I definitely had to break them in, yes I have done it plenty though with budget subs with softer spider's, also I messed up and commented before finishing the vid..😂🤦♂️. You did a fantastic job on breaking everything down on the vid. Also add, no shame in being safe than sorry, and just breaking then in a bit anyways 🤙
Good stuff!
When you mention filters I thought of hz. When breaking in a sub, does frequency response change after breaking in the sub ?
Another great video, Thank you for doing. I am a fan of breaking in my speakers before I build their boxes than I try to match my driver's for stereo pairs. I found that a lot of the cheap driver's can be way different than what they tell us. And yes temperatures and humidity etc effects the specs.
Absolutely!
Sundown Audio(Jacob Fuller) personally says no break in is necessary for any of their subs. SPL or standard suspension doesnt matter,no break in required.
Good to know.
Exactly! Not needed with any brand, it's a BS marketing gimmick by the brands that reference it in order to make people think their brand makes such perfectly engineered masterpieces that they require a special level of attention to setup and use properly. It's such total BS that I find it amazing so many people have drank the kool-aid.
Thanks for the PE Discount code!
No problem 👍
The car audio scientist! 👨⚕️🔊
Yep.
Some manufacturers break them in for two hours before publishing the TS parameters, i noticed a significant drop in Free Air Resonance (FS) after breaking them in. I think I will do a video about that 😃
I'm lower level newer bass head. Lol just got a new 400 rms rf p2 at 1 ohm. Rf r2 1200x1 says 1200 rms at 1 ohm.
I have the punch eq lowest, and gain at 3. Watched vid to see about this break in stuff. Wondering about turning up settings after how long. Thanks
Never have " broke" in any sub they will do it over time I've never been easy on any just run them and enjoy
Yep, just run it and enjoy it. It will take care of itself just fine.
Hi DIYAudioGuy, I'm boulding my first subwoofer box for a 250 watt rms 10 inch sub. I've ordered a 3 inch round port and have calculated with winisd that it should be 7,8 inch in length. Box volume is 100 liter and I want it to hit very low. But a way longer port would fit in de box. Now my question is: would it be better to use two 3 inch ports and make them longer? Or is one short one just fine?
One 3" port should be fine for that sub. I recommend these: parts-express.sjv.io/rndd4D
@@DIYAudioGuy Thank you so much for responding!! I love your videos!
It might be fun to take a nrw sub, run dats and makena box on thenprint out. Then break it in good and run dats again and see if you end up making a new box tuned to different freq.
Yeah, that might be cool.
Nah, there's not enough change in the TS specs to effect the box specs. Especially if your talking about a ported box. The tuning of the port always stays the same, regardless of the sub.
i don't break in my subs but i also don't listen to them at full volume all the time so they naturally break in over time while i drive around then once i get to a show those subs are nice and loose and can easily survive a few 30s bursts at full power. 😎
That works for most people.
Mind explaining why i played my old 2 12 system in my truck for 3 days at low brand new then id crank it for 4 hour road trips almost the whole way and 10 years no problems. Then today install one 10 in my new car ajd half volume for 2 minutes my sub filled my trunk and main cabin with metallic burning smells
Oh man, I hate to hear that. There are several dozen things that could have gone wrong.
@@DIYAudioGuy tough. Glad where I got it has lifetime install warranty.
I've competed a couple times in the single 12" SPL category, did a 154.2 with a DD9512 back in the day. Anybody who tells you not to break in your subs and just run them hard straight out the box, is not your friend, that person is trying to sabotage you. Also, free air break in does almost nothing for a sub, the air mass of the enclosure is part of the suspension, you'll notice a second break in period when you put it in a box, where it'll get even louder over time, despite the first 'break in'.
I have a blown up/ rattling Atomic APX 12 working hard a door stop as a constant reminder to gently break in subs over a long period of time. If you don't want to learn from our mistakes, go ahead and make your own, but if you don't want to waste $500+ burning up nice subs, 1/4 gain matched power for a month of daily use, then another month at half, then another month at 3/4, and finally a month later, gain matched to max. Yes, I spend THAT long of daily use, at least twice a day on the drive to and from work, before I ever run full power to it.
Also, if you change the enclosure, it needs to break in again, not for as long, but it 100% needs some time to acclimatize to it's new enclosure, same for new amps. For the first week after I installed lithium batteries, I kept my headunit volume at half, and it was SO much louder than it was with just AGM batteries that I might be including that in my break in procedures moving forward. ANY significant change, give it some time to "settle" before you hit it hard.
Or you know, do whatever you want, it's your money, waste it however you deem best. I'd personally rather my expensive toys last longer than one evening, but you do you.
Guess I'm not your friend, oh well I'll live. Because break in methods are not needed, everything you just said is nonsense.
The spider is very stiff when new going full tilt u may put strain where its join to the former and prematurly tear it away ive seen it u need to play 60 percent for a while
IMO break in is so much more important nowadays. With subs that need a dump trucks worth of power, its good to get those spiders freeded up and moving.
I don't think you would need to withe Savard Raps, but their big brothers, definitely want to break those in.
And what evidence do you have to support this claim? I bet you can't find more then 1 or 2 manufacturers who have latched on this myth and actually say their subs "MUST BE BROKEN IN". I am totally open minded to see the claims from every manufacturer about their "dump truck worth of power" subs requiring break in. Exactly how is a spider not already free to move? I've never seen a subwoofer come with a solid stiff spider that could not be moved by hand.
@@MotoAtheist You spent a long time saying "I don't agree with your opinion, so you must be wrong"....and you even edited for extra grumpiness.
@@mullinperformanceaudio5902 So you cannot back up any of your claims? 10/4
@@MotoAtheist it all depends on the spider used by the company. On DD subs, they can be multiple times more stiff before break-in than they are afterwards.
In fact they're so stiff out of the box that without going through a pneumatic press first, you can't put them in a sub. The strain of trying to move the spider will burn up the coil first. Even on powerhouse subs like the 9900 that can take 10k+ clamped after break-in
I have a 99Dd and I can tell you this their spiders are totally different from the majority of subwoofer spiders they have what you call iron clothe spiders very stiff takes about two months to loosen up and a few months for full break in they are not made out of iron but they are made out really stiff woven cotton? I guess because of the motor they have
Will savard definitely knows how to make some mean subs 😂
Savard has some great people!
I read a study that showed the woofer parameters after break in will return close to the new never used values after the speaker sits unused for a few months. So break in is really a temporary state unless you keep using the driver all the time. I have not verified this myself, but it would be easy to do. It just takes some time.
After filming this video that does not surprise me one bit.
That does not seem logical to me. Once you stretch something out, like a spider, how could it unstretch itself and return to being stiff. I've never heard anyone mention this as possible.
Hmm, am I understanding that right... the free air resonant frequency goes up after breaking in?? Doesnt the compliance go down??
The Fs will drop as the sub breaks in.
@@DIYAudioGuy Okay cool cool! Sounds good thanks. Not sure why I had that backwards.
I just bought a DATS v3 but when I tried calibrating it, I got a "reading above acceptable measure " and can't get it too work! It looks like a epileptic Richter scale 😢
Try turning the volume up.
@DIYAudioGuy volum at 100%
Recording volume 100%
And everything in-between.
So, yup - if you want a more realistic response measurement.
I know that after my dc audio last 6 15s broke in they was a world of a difference louder. They absolutely slam now
That's what makes this entire discussion tricky. You don't have to break them in but they do break in.
@DIYAudioGuy right. Not every subwoofer will make a big difference after break in.
Recoil amp?
No, but good guess.
Required? No
For something with a boatload of excursion? Yes
Unless your a competitor doing spl with huge subs or blew a sub ina big group of sub I don’t think you need to break in your subs but if either of those 2 things happens I would break in the sub ahead of time for sure
breaking in really serves no purpose for most people. If you have a very high end sub with a super stiff suspension you may benefit from running a few free air sweeps but most consumer subs will break in during normal play. No need for special steps. The Fs will usually come down a bit as things loosen up and continues throughout the life of the sub until the suspension eventually craps out
Crazy how I noticed my subwoofers sound brand new during the winter and more broken in during the summer.
Denser air in winter
To answer your question (video subject) - only if you're against the clock (future competition).
Freedom Units ftw! 💪
I hope people enjoy the joke. You never can tell sometimes people take jokes the wrong way.
I have my own BASS
You say “NO” but the guys at one of the baddest and hard hitters in the sub market, “DD Audio” have a video, On why you should and why breaking in subs is important. I guess it’s all how the sub and spider are manufactured.
Watch the video again.
Not a single company, not even DD Audio has anything about break in methods in their instructions. If a break in method was required, these companies would absolutely have it in their manuals to cover their liability.
Also, there is nothing special about DD Audio subs, they are just another brand with higher prices.
ok you don't need to break them in but you need to break them in to dats test HUH
NVX code not working for me, says invalid code
I will reach out to NVX and see what is up, last year they shut off discount codes during Black Friday since they were slashing prices quite aggressively. Also, double check it. Make sure it is spelled correctly, I sometimes type it in wrong. DIYAUDIO10
"Freedom units" 😂
Also fitting for a video that is 9m 11s long and posted on 11/19 🧐
I don't pay much attention to the exact length of a video, or the exact day that I post them.
👍
What you failed to mention about break in is the adhesives need to go through heating and cooling cycles. Some of the adhesives actually get stronger after a few heat cycles. Going full tilt on new subs can cause adhesive to crack and or break.
I did not know that!
Running full RMS straight out of the box is never a problem, not even for the sacred DD Audio subs.
Thise look like massive gtx124s baskets.
for most, i wouldn't bother. for specific brands who tend to build their subs fairly stiff at first, i'd say yes (lookin at you, ID). if its fairly easily moved by hand, i'd say its generally going to be fine.
though it you're going SPL/ultra high wattage, its probably just a good idea anyway. the better the flex, the better your chances of hitting that magic db level you're trying for. stiffer movement = less air shoved around = less spl.
/shrug
If breaking in a sub is their make it or break it moment for achieving their desired DB level? They have already failed.
@@MotoAtheist i bet you're _super_ fun at parties.
@@kenabi If the party was about spewing BS related to car audio, probably not.
I think with more motor strength and watts the more likely one is to tear a spider loose or break a glue seam. Most subs 1000 watts or less is not likely to break unless they are not built well. It's a motor force to soft parts ratio of sorts. With any product made, the more extreme the more likely a failure can happen. Take people with big builds for example. They are smoking amps and breaking subs all the time because they are extreme and that is part of it. So, DIY Audio Guy is correct that the average user does not need to worry with breaking in a sub.
Exactly, you have to treat the equipment a little bit different if you're going to do extreme things with it. Things that the average daily driver doesn't have to worry about.
Nope, look at what Sundown does to their high powered subs, they are using all the same materials every other brands use and they absolutely hammer the piss out of their subs straight out of the box right there on TH-cam for all to see.
@@MotoAtheist If you think the big dogs isn't destroying Sundown subs then you aren't thinking right.
With moderate use, a sub will break in on its own. Never put the screws to a new speaker, till it is broken in.
Yes.
Any respected brand sub should handle it's full RMS straight out of the box.
I was 15 minutes into breakin and 😢 it got burned
Ouch, to much power?
And thus video is why people blow there 800 dollar subs. Do u need ro break in a 60$ Walmart sub. No. It's already soft. Do u need to break in your zv5 that u can stand on with a new recone. Especially if you have multiple subs and only replacing 1. Yes. God yes
If you watch the video you will see that I agree with you.
Nah, still don't need broken in if you're just throwing RMS at it, but to each their own.
Breaking in a sub before use is the biggest laughable joke of all audio myths. It's even more comical when suggesting not to push the sub to it's RMS during this mythical break in. How is the material supposed to stretch and break in if it's not pushed to it's limits? Makes no sense at all. This is a myth that will never die, plain and simple, too many people truly believe they are accomplishing something that matters. No, no you aren't. Whatever you think you accomplished will never be heard by the human ear. Even SPL nuts saying they need to break subs in is ridiculous. Whatever the goal, the tiny bit of difference from a broken in sub shouldn't be your make it or break it tweak. If it is, they have already failed.
They do break in, you just don't have to break them in.
@@DIYAudioGuy Yes, I am aware, but that's not what the video is about so I don't know why you would assume I was talking about a subs normal break in over time.
@@DIYAudioGuy I would suggest your follow up to this video be a side by side of the same exact sub model where you take sub A and use a break in method. Maybe take a vote in the comments on which mythical break in period is supposed to be the best. Then take sub B and just play it normally for some period of time, take another vote on how long to play it... week, two weeks. And then run your tests and see the difference. Not even sure how you would rate which one has the best outcome, based on what? It's all such nonsense anyway. I guess just compare the data and see which specs continue to match up.
I build a lot of horn loaded subs. These enclosures are tuned very specifically to the drivers parameters, and without breaking-in they sound very underwhelming. It's also fairly easy to damage a driver that is not broken in, when in a horn loaded enclosure. Break-in is very important with these enclosures.
Good to know.
Nonsense. You could never build a box, yes not even a horn, precise enough for a human ear to notice any difference at all between new and broken in. There is such a minimal parameters change after a sub loosens up, that it's simply not plausible for it to change the space requirements that drastically. But, this is TH-cam comments, so I'll just have to endure the nonsense because I know people will never admit the truth.
@@MotoAtheistI'm pretty sure dropping the fs a full octave is a pretty audible difference
@@blakebrockhaus347 I'm talking about the box. Name brand mfrs supply the specs for their subs and that's what people tend to use to build a box. Pretty sure mfrs know their sub specs and requirements better then anyone else. In the case of this thread, he can build his horn enclosure based on the MFR specs listed and when he puts that sub in the box it will sound just fine new and will continue to sound just fine after it breaks in over time. There won't be any need for any minor adjustments to the box size after the sub breaks in. Ie... a 2cf box is needed, but after break in it now needs 2.05cf or something. Really? Sorry, but no, nobody will hear a difference between a 2cf box and a 2.05cf box. Not happening.
Plinius amp😂
Sooo. It’s not a myth after all 😕
Break in methods are a myth, yes. Subs do not need special break in methods to be done when new. Just play the sub full RMS or whatever volume you want straight out of the box. Over time, the sub will naturally loosen up all on it's own.
Do you need to Break In Your Subwoofer?
Short Answer: NO
Long Answer: YES !!!
Yep.
Do you need to Break In Your Subwoofer?
Short Answer: NO
Long Answer: NO
Delusional Answer: YES !!!
No I don't break -in my subwoofer because I never push it hard. It's part of my home stereo for the television.
Right, no need to.
I never haved and i have never blown a subwoofer in 27 years
Other than smoking them on purpose for a video, I have never blown one either.