5 Subwoofer Myths to AVOID!
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- čas přidán 8. 06. 2024
- Adding a subwoofer is THE most popular car audio upgrade, but along with popularity comes a TON of misinformation... What are the top 5 subwoofer myths? Let's discuss!
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Remember when Best Buy had almost a quarter of their store just for car audio...
I remember circuit city had a boom room lol
Remember those dual brand subs in the bandpass box that lit up blue
@@deanslegos1990 lol yes I remember. There was also a Jensen bandpass box where I went. Those bandpass setups never sounded as good as the other setups though
Same as Radio Shack
Ohhhh I member
Listen to this man. He is giving 100% valid and easy to understand information. Proper enclosure volume and design plus undistorted power are tops.
he definitely knows his stuff
I've been using Crutchfield since 1988. I've never had a negative experience with them in all these years. Great company!
Ed Jackson same.
Before the internet they were one of the few ways a person from a rural area could learn about and compare gear. Where I grew up there wasn't a hifi or car audio shop for 100+ miles. The quarterly Crutchfield catalog was a big deal
@@303nitzubishi4 Same here. The old catalog was chocked full of data. I used to study specs for hours. I blew every dime on car audio gear. My parents thought I was nuts. They weren't too far off
What Wizard is to Baseball cards, Crutchfield is to Car Audio..
Their customer service is the gold standard. Every company should compare themselves to Crutchfield
My favorite myth: it has competition written on it, so it must be really good!
Haha that's a classic. Usually the subwoofers labeled "competition" are the worst!
It's like reverse psychology
@@CarAudioFabrication yes because most of the pyramid flagship line their coveted gold series except for 3 things is probably the most issues I've ever had with pyramid products, and it isn't car audio but about the only competition products I've used that seems to be useable and a really good product is competition cams!?
Myth #6 "a CEA rated 1000 watts subwoofer mean it can handle a 1000 watts CEA rated amplifier" -Mike from rockville .
@Stimpy&Ren it's only for AMPS!!! the one for subs is CEA-2010 if I'm not mistaken.
Rockville is a myth company😂😂
Everybody finding out Rockville is trash.
Mike Cheeze this ☝️CEA2006 is for amplifiers, CEA2010 for speaker drivers. Many companies are also based in countries where its not uncommon to straight up lie about ratings. This is a huge problem with consumer products and their electrical safety certificates. Basically they are selling potentially deadly products and marking them as CE or UL compliant. Very common in cheap products. You get what you pay for. A red flag in car audio products are items mainly advertising their max ratings and usually having very limited specifications available.
This dude is a genius!! Wish CZcams was around when I was in high school
I've tried to tell a couple buddies that a perfectly planned and installed sub under a seat will add the hard hitting bass needed/wanted if it is facing down, protected from elements (tools, feet) as opposed to facing them forward unprotected from elements.
Here’s one I heard a long while ago “Turn the gain up all the way and control the sub volume in the head unit”. Also, “capacitors make your subs hit harder” “you need to warm the sub up every time you use it” “bass boost is real”
There actually are merits to that, but by no means that should be rule of thumb. People should just learn the shit to do to right thing, or let others do that. You think you´re going to be an aerospace engineer after reading two days on google? :-D
If yer amp is running low of juice a cap will help.
what's wrong with turning the gain up? this is what I do is it wrong?
"Bass boost" just turns everything else down
@@trevormtb9372 thats not true
So refreshing to see somebody posting car audio advice on youtube who ACTUALLY knows what they are talking about. Kudos!
So many people feed BS in to the hobby and claim it is truth. Finding people who actually speak the truth is really, really rare. in this hobby.
And on that note, why the hell are there 108 dislikes on this? There is absolutely nothing to not like here.
Pete, I couldn't have said it better myself. So many people either jumping to their own conclusions or passing on whatever misinformation they recieve. I feel bad for some of the people in these forums. They are getting either made fun of by people who don't use the same brand or getting terrible responses from people that just want to up their stats for answering questions with just a couple words uping the amount of questions back and forth and not even able to help.
The dislikes are from Rockwell
Back in highschool i had subs to be loud and cool. Now I have a sub like you said add the bass that you door speakers can’t handle. Lol I have a kicker CompR at 600 RMS and I have it tuned down. Dynomat in doors, roof and back of cab. I’ve been told oh your stereo is loud I can barely hear it outside the truck. That comment changes when they sit in the seat.
And in my humble opinion, you now have the best type of car sound. I was into competitions etc back in the day and hit 152.2db with 2 x 12" subs. That was damn loud - I'd play a bit of a ballad and out-bass guys with 2x 15's playing EDM (Literally happened, at a packed car wash and it was pretty damn funny). Anyway, my point is, that I guess when we're young we want to be a bit showy - so we go for the kind of loud that rattles house windows of the girls we're interested in when we rock up but as some of us age, we realise that the quality aspect of loud makes loud EVEN BETTER.
Wesley Petersen very true. Lol just Thursday before leaving work I sat to get updates on the Raptors winning and was playing my music. Lol coworker says oh that sounds good outside your truck for a stock stereo. Lol so I had to pop the seat up and show him it’s definitely not stock. I only had the volume to 20 and it goes to 50. Again another person mind changed. And my Alpine amps are about to be 10 years old.
Your current system sounds like mine not loud outside but very audible inside.
Best type of setup
I don’t need everyone at the stoplight to shake as well, just my seats
Yep. Both my trucks aren't that loud outside, but PLENTY inside. I make a 150W Kicker 10 put out great in my single cab Ranger with my custom designed ported box. Am I blowing out eardrums, no, but it's plenty loud inside for any kind of normal or "spirited" listening.
The 29 dislikes are from Rockville XD
Younginfamou$ lmaoo
Their running 143 strong
That hit where it hurts 😪
Lol, I do like their Amps though
I really like this conversation here. I have a standard full size 2011 Ram that has a small area to have subs. I have 2 Kicker Comp RT shallow mount in a custom box. Sounds excellent for a small subwoofer enclosure and totally works better than just a subwoofer under the seat deal.
Thanks for the clarification on underpowering a Sub. I literally just had a local car audio shop deter me from purchasing a higher rated sub for a slight upgrade
Great video very informative! Years ago I used to have a band pass box of two 10”s. I like to think out of the box and I have a question that no one seems to be able to answer me. My question is, can you put a sealed subwoofer box and have a separate box that has a band pass box? My thinking is have the nice clean sound of a sealed subwoofer yet also have it mixed with the raw behind the cone bass of a band pass box. What are your thoughts on that?
Thanks
Thanks for the audio knowledge...
Thank you. Your channel is one of the most informative across all of my areas of interest. Kudos, and much respect for sharing the wealth of knowledge, and the thorough explanations
I see you are a new subscriber, thanks for joining! Tons of content coming, I just uploaded a new subwoofer box video here: czcams.com/video/eTQeUfv1dDU/video.html
jamming out to some TOOL with my alpine type r’s is like being in a bass induced heaven
alpine R are like a good surprize in your pants...yaaa!!i do world champ installs.. but a single alpine r or s....is really good and clean!!
Bros. Get the xs if u can.
You should make a video about shollow mouth subs vs regular size subs
Lol. "shollow mouth subs".
Shallow MOUNT bro... just subs with a very small footprint to work in very tight spaces.
@@spill1t
Yes, I know what shallow mount subs are. I was laughing at the spelling " shollow mouth".
@@sirnate54 lol, I know you knew.....I was actually responding to the poor OP! Haha
@@spill1t
Lol.
I'm 45 and have had a sub in my cars all my life. Nothing crazy like back in the 90s when I had a Sony mobile ES complete system with 1600 watts 1000 to the subs and I had 6 10 disc cd changers Daisy chained. Now my factory system is enough for me now except for the anemic factory sub. A 300 watt 8" sounds really good with the factory set up. Plus I haven't lost any space since I was able to do it in the factory location. Great video 👍.
60 cds?
This guy has really helped my confidence in my first amp/sub build that i did this week, and Crutchfield is the bomb! I ordered my head unit and wiring from them, and their support knew 1000% of everything i needed to know
I feel like you almost created a new myth with #2.. A 3dB increase, doubles the sound intensity, which is why adding a 2nd speaker typically gives you 3dB(sometime more). You need 10dB to double the perceived loudness. So you weren't lying, but at the same time there's a difference between sound intensity and loudness. You also need twice the power to gain 3dB, so after a certain power level, adding more speakers becomes more efficient than adding more power.
Good explanation of how to damage a speaker by overdriving an underpowered amplifier. This is so easy to do when the amplifier 'not quite capable' of reaching the speaker extreme rating and one tries to get there, anyway.
Great video. I think one thing you should have considered with your adding another sub analogy was amplifier final impedance. If you add another sub and it's wired in parallel with the other one, given that amplifier can handle the final impedance of them both, it's likely pushing nearly twice the wattage, this is the case with a lot of amplifiers. I'm sure you realized this, but just figured I'd mention it, great stuff man!
The air space comment was so spot on. It's so annoying the myth that larger subs hit lower, it's stupid. Enclosure design is what yields lower response frequencies. So people wonder why stuffing 6 12s into their trunk doesn't sound as good as the 2 12s I have.
In my trunk there's probably enough room for a box for 2 15s but it's cutting it close, yet everyone is DEAD SET on getting 2 15s in these cars, they just won't listen.
Amen.
you should make a video on how to make a down-firing subwoofer box
Keep an eye out for my next subwoofer build ;)
@@CarAudioFabrication If you make a video of rolling your box 90 degrees on its face, I would laugh my ass off Mark.
Couldn't stress how important the sub box is. It's more important than the sub. I started off trusting a local car audio guy and installed and he cost me thousands. I told him what kind of sound I wanted. At the time I had a 250rms system. Long story short. He put 2 12s that need 3.5 cubic feet of air space in a 2.9 cubic foot (including port are and disblasment) box and hooked it up to a 750rms amp. Subs were 750 rms each. And ran a 4 gauge from front battery all the way back. I even got a brand new excelon kenwood deck 5v output. Spent thousands, and it sounded like my 250 rms 1 older shit sub. Took me a year to fully understand sound systems. 2 blown subs later .... I finally got pissed enough and built my own box in a 1 bedroom condo w the wife yelling. Jigsawed the wholes on the lil balcony. Anyways. If I saw this video a year ago I would of saved thousands. Mark speaks the absolute truth about car audio. Thanks buddy.
Thousands? That's on you lol. Wtf?
@@Dude-Smellmyhelmet well. New kenwood excelon deck. New 2 channel amp which he used for mids and highs. New 12s 2 of them. New mono amp + install. Do the math. And in talking Canadian dollars. I was noob and didnt even know what the difference between 2 or 4 channel amp was back then.
Do you know the difference?
I bought an old school L7 12 dvc 2ohm secondhand sub for $300, designed and built my own ported box (90ish litres) for $50 and embarrassed all my mates who had spent thousands on brand new top of the line gear.
Yeah i spent alot of money 2 on different set ups ..im still spending money because my amp went out lol i had to learn 2 not 2 trust the audio shops ..
Ye my dad taught me how to do car audio and he was a competition builder only worked wit 18s n 15s all 0gauge Memphis wire 2 orion 20k watt amps 12 6 1/2 n 6 6×9 so when I say you can trust me You can trust me with your money not like these shops over pricing for shitty stuff
This video enlightened me on a few tings. Thanks bro.
The first time I ever pulled up to a Termlab, which was at a sanctioned event, I did 151.2 db with 2-15s (didn't have a wall) and 4800 watts (2 Autotek MX-5000) in a SUV. I just did what I always did with less serious setups through the years. Seeing how few other regular Joes ever get near 150 db with more than I had I suppose it must be challenging ;) I really enjoy your vids. I never did any of the custom interior modifications and have been thinking a lot about it lately. You have been very helpful.
Wouldn't inverting your speakers increase the box air volume since the speaker isn't taking up space in the box?
Yes but now you would need to make sure you have the space in your vehicle for the inverted cones.
You should do a review on how to spot bad subwoofer product reviews, like- "This sub sucks. Only lasted a week and blew. Only had my gains set at a touch past 3/4. 🤔
Richard R if you crank up too much on your headunit, then your headunit is gonna send out distorted signal, so that might be how u blew it. And if u play straight sinustones for a long time, then the coil is gonna heat up alot aswell, so many «rebassed» songs are often damaging subs because theres not enough dynamics for the sub to cool down.
@@itsdenisioo9081 thanks, but I referring to how to spot a bad sub review and giving an example of one in the quotes. I've never actually blown any of mine (yet).
I have a question I have two subwoofers in the trunk of my car is it better to face them towards the seats or the other direction
Great video and I thank you for all the information which you share always for all of us. I don't know if you're giving answers to people's arguments because I personally didn't check all reviews and posts but I would like to kindly ask your opinion & advice regarding a subwoofer I'm interested to. I know that is not among all those professional equipments which you're using but at least I'd like to have an idea if it worth it or not to buy it. I'm not interested to have a megasound in my car but I want just to add some more bass to the actual sound system. The sub is a JBL BassPro Hub. What do you think?
Thanks in advance for your answer.
Good stuff bro!!! I literally, just explain this to someone yesterday!
Been buying from crutchfield for yeeeeaaaarrrrrrsssss. They are *definitely* worth the slight cost increase.
There are cheaper stores? That's hard to believe because Crutchfield literally gives you half of what youre buying for free
Great vid! I wanna start my audio journey but I’m not sure what where should I start. Should I get all front and rear speakers and tweeters first or start with a Sub and a Amp? Please lmk I will appreciate that thanks and also do I need to upgrade my car battery?
Really good videos, Good tutorial. Thank's !?
Heya. Nice job right there! I rather feel doubling the loudness sounds more like 6-7db to me, but whatever. You´re righ on spot.
CrashPCcz I've heard every 6db is 2x volume as well
I've always used sealed enclosures but recently was given a 400w RMS 10" sub in a prefab sealed box. Running it off 350w you could barely feel/hear it from the drivers seat. Used an enclosure design website to design a slot ported box tuned to 36Hz. It hits harder, lower and shakes the car. I regret not switching years ago.
I have experienced the sealed box to have more punch but for low end hit, the ported always hit lower, ported all the way.
Back in the day (1991), my first stab at a ported enclosure was to modify a dual chamber sealed enclosure (heavily sanded Rustoleum gloss black!) into a ported one. It had my best friend's two vintage all black, steel framed, white dustcap logo, foam surround, Rockford Fosgate Punch 10's inside. About 1.1c.f. per side after the driver. I manually calculated a port size to tune it to 39Hertz and used an inexpensive program to verify. It was I think a 3 inch Schedule 40 white PVC tube cut to 9 or 10 inches. I used a round file and 80 grit sandpaper to carefully roundover and flare both ends. It was held in place with PL2000 construction adhesive/sealant.
HOLY SHIT! What a HUGE difference! Louder with more punch and above 40 Hertz definitely less excursion and more power handling. MC Hammer and Snow were killing it (we were 8th graders in 1991). Any lower Q driver with an EBP in the ported range we were trying to port. Porting the 15's in the already undersized sealed enclosures was a huge mistake, and I told my friend this way ahead of time. We had to use dual 2 inch PVC ports and it was only 36Hertz. So much shuffing and poor control. Blah.
Then we both heard and felt a brand new Kicker Solobaric 12 in a custom 4th order bandpass! Holy shit again! Now we were 4th bandpassing almost everything. This or sealed WITH proper volume and tuning. Two RF Series 1 gray coned, inverted cap ten's were destroying his bedroom and finally a 1989 Nissan 240SX hatch.
I've always been a "ported guy" but took verbal abuse from friends who swore by sealed for years. After decades of honing my box building skills and competing in sound quality with IASCA, people are surprised to see my subs are ported. My ears and my room full of SQ trophies tells me people are just regurgitating what they've heard. Now I'm not saying there isn't an advantage to sealed not having to deal with group delay (time it takes the rear wave to make its way through the port), but a DSP can compensate for that. Plus, the car is such a terrible listening environment that any minuscule advantage in SQ a sealed sub is supposed to have will never be heard. The benefits of deeper, louder bass with more output volume on the same amplifier are just too much to overlook with ported designs, IMO.
Mark I have a question. I'm getting the stuff for my first full stereo build. I have some ds18 speakers 6 1/2. Wiring with 8 ga. The speaker has the push down style connections on the speaker basket. Do you recommend just the bare with in the connector. Or do the make a special terminal. Like the 8ga step down? And is it best to go with a gold or brass compared to the standard diver aluminum terminal. I'm doing a 5 ch amp 4-6.5 and a 8 I wand to add 4- 10" subs later off another amp. But this is my starting system. I'm adding a capacitor too. I only need a 8 fared. For the complete system. With the addion of possibly 6 large subs 4-10 & 2 -12. If I got a capacitor that does like 20-30 fared. Is that bad for the system. Or will I just have lots of extra unused power. Stored in the capacitor? I have a small car. No real room for extra batteries. I amp upgrading my alt too.
fantastic video, thank you!
Then there’s me that’s leaned how to take off my door panels in 2 minutes on the side of the road to fix a rattle.
Small woofers aren't faster than large woofers. If it were faster it would be a tweeter. How tight a woofer sounds has to do with how damped the resonance is, not the size of the cone.
A crappy amplifier with significant output impedance will have less of a damping factor and mush up the bass by letting the woofer resonate.
Tell that to an bass guitar player....
They are faster because they are lighter, not because they are smaller.
@@Dawood4 . The are lighter because they are smaller. Duh.
@@tomcolopy5565 so, you're saying size matters? 😀
This guys videos are soooo underrated like I really didn’t know you wouldn’t be able to increase output just by adding another woofer
This video just saved me a bunch of money. I was debating putting two on the same power as I did in a previous car but I sure can’t put four subs on four times the power. Thanks!
I never see the CZcams info cards or in-video links to other videos on my phone. Note to self, find the one mentioned at 5:48 to learn more! 😎
My Sparkomatic 8 track player had 60 watts. That was Awsome back then.
sparkomatic lol
Is it true that if you live somewhere cold like Minnesota you can break your subs by playing them to loud without warming them up?
I left an 18 inch sub in the garage through a cold winter (several days below 20 degrees), and the neoprene ring stress cracked from just sitting there. I'd venture that movement while the ring is cold enough would tear it.
Captain Drizzle a subwoofer is just the sum of its materials. If something gets hot after it’s freezing cold, and then moved around violently, it sounds like it’s possible. That being said, car subs are made to withstand more than home subs. I’m sure mine get to over 100 degrees in my car on a hot day and they’re fine.
At -25 to -35 ish celsius on cold mornings it has not been a problem for me so far. Dont think ive ever come across someone whos done it either.
Kevin Stagmo yeah, you’re right.
if the air inside an air tight sub enclosure expands because of the heat from de voice coils, hence increasing pressure, i can see it pushing the cone out long enough to fall apart during maximum excursion. idk man, i'm hella high.
In terms of the additional power and subwoofers to double the db output, does that apply to sealed and ported enclosures?
I bought 92 civic I'm in process of rebuilding. I need some help in audio. I have 1 subwoofer 1 under seat subwoofer, 4 Twitter 2 for front 2 for back, 4 channel Amplifier, 4 speaker and joying 9.2 inc single din head unit. Could you design the wire diagram?
Such a great video! Loved point number 2 with how to sound twice as loud! Fascinating stuff nice to finally see a clean explanation that completely busts that myth!
Q.) If you have are putting 2 subwoofers into 1 sealed box do you need to separate the 2 subwoofers or double the air volume required for each subwoofer?
Having divided chambers in a sealed box is a great idea.
double air. 1cuft3 per subs = 2cuft3 box
@@2869may blow one sub, and now the other sub sees TWICE the recommended air volume. The working sub will exhibit over excursion and get damaged.
@@RodofAllTrades Maybe you should think twice and research something until you comment about it. If you have a sealed box, with 2 divided chambers INSIDE then tell me how the sub would see twice the air volume. I really hope that you understand that the space between those two subs are sealed against each other.
You should punch the box full of holes and add 10000 watts to every Rockville tweet and 500000 watts to every Rockville sub
How would i build a custom box in a 2003 ford f250 single cab behind the seat pick up truck. I have shallow skar vd 12in subs, mounting depth of 4.92 in, they need 1.00ft³ per sub sealed, or 1.75ft³ ported, displacement .10ft³. Rite now i have 2 atrend bbox truck boxes at .80 ft³ per box minus the .10ft³ for displacement of each sub so .70ft³ per box per sub rite now on a alpine mrp 4501.d, and it sounds better than i ever thought. Now i bought a skar skv2 1500.1D amplifier and i think im going to need new boxes or a new single box with the added power. What are you thoughts and recommendations. Sealed, ported. I like crisp clean sq notes where you can hear every note in the song no matter the frequency. The subs handle 500wrms and 800wmax each. How would i go about building a box that will still leave me plenty of leg room and comfort for snowplowing long hours in a small single cab f250. Any thoughts would be awesome, or a place who can build one at a affordable price, or a good prefabed box that will be 1.10ft³ per sub, hit every note with authority, leave my truck totally work friendly, and be able to handle all the power. Thanks much
I just had a RF Hx2 rebuilt but looking to build a box for it ported it ask for 1.75cf can I go alil bigger trying to build a center console box for my f150
You should make an updated video to your original video about using Winisd and taking in consideration different factors like cabin gain. By the way great video and keep up the good work.
you can't really calculate cabin gain with a program though as every cabin and sub and box will react differently, resulting in you just having to test out different ports and box sizes to see what works best. although, for most people who aren't chasing .5 db's winisd works great
@@hawnfire lol
Morgan Bill's you can test with a sealed box and find the db or freq of your cabin. Then you tune wither to that or an octave lower so it's in the sweet spot of the impedance curve. You need win isd and a spl meter and rta. Yes every vehicle is different but there are sites that people have posted their vehicle and their sweeps so when designing if you dont have those tools you can get in the ballpark.
But I would like a vid like this
In 25 years, I can count the number of times I've heard myth no.1 on a quadriplegics left hand.
No.3 should be the no.1 myth
Love you Mark! You're the man!
Great video keep bringing that bass.
If you get square subs the square clip waves wont hurt the sub🤔 just simple science!
I put a 10" shallow mount sub in my truck and every person I showed it to said I need to port it or it won't sound good. Glad I didn't listen to them.
It really depends on if the subs are designed for it or not. I’ve got two MTX 12” subs. Now, I’m young and I wanted to get an affordable pair, so I just went ahead and purchased the entire bass package from MTX, subs wired up in the enclosure already, all I had to do was power the amp and run it to the subs. (Btw, for $250, hot damn, they sound great, a pretty good deal) Anyway, I mostly listen to rap, and literally every one of my friends has said, “you need to port that box,” however, MTX designed those subs to work in a completely closed off enclosure. Like I said, whether or not it needs to be ported depends on how the subs are designed.
@@ethanobenauer7083 They make a ported mtx Terminator now if you wanna get a budget ported box. Though I have the ported while my friend doesn't and they sound basically identical mine flexes a little more but that's about it
CaptainSlapaHo - Yeah, I’ve tried mine in a ported and non ported box, but imo, they sound way better non ported.
I have a 2013 Ram 1500 4 door quad cab , I am looking into putting 2 Rockford Fosgate 12’s the P2 on a Punch 500.1 going to use a ported foxbox that goes under the back seat , will that work I have the quad cab truck the smaller back door . Thanks
Hello i have a quick question i respect your work and I am a DYI guy who loves car audio. I have a Acura tl 2012 with the ELS pioneer advanced package. I want to keep the subwoofer in the factory location. What would be a great subwoofer to install in factory location
Myth??? Adding batting material to the inside of the box, makes the box respond like a larger box???
What do you mean with batting material (my english is not good enough to know what it means) cause polyfill will do something like that
Adding acoustic fiber fill is intended to cause waveform scatter as the cone goes through its excursions. This will reduce parallel waveform reflections that can cause increases or decreases in loudness at specific frequencies, based on the tuning size of your enclosure.
Objectively - It can do if done correctly. But like everything else, if not done correctly, then the gains are minimal.
Myth-ish. Proper deadening/batting/box construction can make a small volume box sound better than a poorly made larger volume box, but not really make up for the lost airspace. If you were to swap out the oversized sub with one designed for the smaller, deadened box you would still get an additional improvement in sound quality ( if the speakers were otherwise the same).
It can help a subwoofer in a box that's SLIGHTLY too small for it to behave as if it were in a SLIGHTLY larger box.
"if you want it ported, just cut a hole in it haha.." jfc.. beyond #3 is where the real stupidity happens.
What sub would you recommend for a infinity baffle enclosure between sundown & skar
I love your channel, Mark! I watch it with my kids, which is something I can’t do with Doug’s channel. I wish his videos were a little more PG. Keep up the great work! You guys should do a colab some day!!!
so doubling the subwoofer drivers adds 3 db increase. am i right?
MD.Mamun ur Rashid Moon correct
with the same amp , yes. It adds 6db if driven by a second amp of equal power to the first. Every doubling of power adds 3 db and every adding of a same sized sub adds 3 db, so 6db total. I don't think he explained why it went to 6. So upping your amp output from 100w to 200w will add 3 db of SPL. Going from 200w to 400w will add 3 more. going from 400 to 800 will add 3 more. So going from 100w to 800w will add 9db if using the same sub. Easiest way to add DB, buy a really efficient sub to begin with. Don't buy the cheap 85db efficient sub, buy the much better ( and costs more ) 88db sub for $50 more and you gain 3 db just in sub performance. Back when I competed in the late 80's, pro subs were 94-98db efficient. We could get 120db from 200w amps. ( Amps were much more expensive and all were class a/b amps ) Now it takes 300w to 800w to get the same thing. Class D amps are cheaper so Subs have gotten less efficient.
When the subwoofers are stacked (coupled) or very close to each other it can add up to 6 DB this trick is used a lot in PA systems. Since low frequencies are omni directional any way you don’t necessarily need a stereo subwoofer setup. Because its going to be quite hard to hear where the sound is coming from anyway. Also in most mixes the kick drum and the bass guitar are panned dead center so there is no need for stereo anyhow. So thats why they are stacked, rather have the extra DB’s then have a stereo system that will likely not be used anyway.
He's not lying about the box dimensions.. A year ago my cousin got two 10" subs for his truck and they suffocated underneath the seats in an air tight box.. It sounded absolute garbage until he got a Jeep with a new box
How about shallow depth subs. Does that push different air volume than a regular sub? Same size.
Thanks for the tips man
An other myth, a dual voice coil subwoofer is louder than single voice coil
I had this argument with my brother today. He swears he needs to buy DVC subs to replace his SVC subs... so he can be louder
adaboy4z I know I had that discussion with other people
HAHAHAHA
This was the first thing I thought of when he asked about other subwoofer myths that we have heard.
Mark missed this one and it's a popular one! I'm turning red cos when I first got into this whole thing I also thought that! haha
My friend in your opinion Pioneer 80Prs or Alpine 149Bt for Sound Quality
80PRS! (99PRS IF YOU CAN LOL) and I'm an alpine guy lol
Yo man. I need help please. I bought two 8" Powerbass subs, but I cant for the life of me find the correct box for it. Should i get one box with a single port for the two subs or two ported box or one sealed box.
What is a good amp for 2 dvc alpine s series subs. Thanks for all your info, I love your channel, so helpful.
One good 10” or 12” and I’m set.
For the VAST majority of folks this works perfect! And there is nothing wrong with that!
From my experience with my 12" Diamond Audio, i agree with that. 12" if you have the space, 10" if you´re limited on space. I think anything above 15" is nonsense.
I agree, 10 inch JLW6 gives me a headache sometimes...
I ended up with a pair of Infinity Kappa 1000W 450 watt RMS 10" subs paired to a 1000 watt RMS Kenwood KAC-9106d amp. Metal and well mixed classic rock never sounded so good. Lamb of God - Blacken the Cursed Sun & Ted Nugent - Wang Dang Sweet Poontang for reference.
Running 2 10" classic MTX Black Gold subs in a Neon.
Plenty!! Remember to enclose your rear deck speakers to keep your subs from blowing them out!!
Myth. That you need big subwoofers for big bass.
There's no replacement for displacement, but if you place and tune the speakers correctly you can definitley get big bass.
with good 8's you can get very good sounding bass, they just won't rattle stuff like a 12" will. Hell, Bose home speakers makes good sounding base with 6.5" speakers, they just don't rattle anything. A car is the easiest place to make great sound. It is an enclosed space. SPL is sound pressure level, ie the more space the more level is needed to appear impressive.
Back in the late 80's when I competed, I built a few really great sounding systems with nothing larger than 8" subs. I ran an Orion 225HCCA driving 2 pairs of MBQuart 6.5" and tweeter separates and the Autotek 7050BTS driving a pair of Lanzar Pro sealed 10" subs in the 100w and under level. All in a mini truck. Won many titles with that setup.
Yes and no. But you need cone area to move air. That's just simple physics.
Mass weight and suspension has a lot to say as well.
Trust me, a 24 inch PD driver will do things just about any other pro 18 or 21 can only dream of. But iwll it be as fast? No, and not as articulate. But it will work great as an actual subwoofer. from about 60-70 hz and down.
Well, in a very simple sense, more come area equals more base. (I’m aware that that’s not the exact reason why, however, it is generally true) The larger the sub, the more cone area. However, it also just depends on quality. I have a relatively expensive set of 2 MTX 12” subs in my car, they sound good, hit hard and fast, and are amazing value for what they cost. However, my dad has 2 10” subs in his car that are wayyyyyy louder and produce ridiculous amounts more bass, can’t remember the brand but they’re some sort of badass made for competition subs. However, in the majority of cases, bigger subs do actually mean more bass.
I bought a 1968 Buick Skylark GS and had a 47" wide x 15" deep and x 15" hight trunk area behind the spare tire to work with . With that I built a box 42ĺ x 12" x 13" and decided due to the dimensions I would go with 4 8" woofers 600 w ea. Never even thought about how I would run the set up keeping the 6.5" door speakers and adding tweeters. I thought the configuration would be easy to figure out but I'm stuck any suggestions?
Yo ! what dou you think about the Focal Bomba BP20 , have no info how they are ! wanna put it in a sedan trunk
0:38
Dubstep brah
Got them bass shakin yr skull
It feels good
Should I upgrade jL tw3 go 13 tw5
Gabriel Borrego @ I love my three 10TW3’s seriously if their installed correctly their monstrous and yet so compact. Powering my three off just their HD750/1
You said tw3 go 13 huh?
I went from a single TW3 in a 0.5cf sealed box driven by a JL XD 600 amp to a TW5 in a 1.2cf sealed box driven by a Audio control 800.1 and they are VERY different. I love how deep the TW5 sounds by I do miss the tight punchy bass of the TW3.
What is the t in tw3, and tw5?
Need help deciding if I should get 2 10s, 2 12s, or 1 12? I have a Ford Edge SUV and I’m leaning towards 2 12s but I’m just not sure. I want a ported box and I want to feel the bass. What should I get?
I just install Rockford Fosgate p300-12 inside my truck. Do I have to break in myself subwoofer before maximize the volume?? If have to break in the subwoofer what is the proper way to do that?
myth#6...subwoofers are only for the ghettos not for school boys...😂🤣
6. 8" sub for the "high bass" 12" sub for that "low bass"
7. "If you're using 2 subs in the same box you should always invert the polarity."
8. "If you have a sealed box you are missing out on the low end"
9. "After going ported, my 8" sub now sounds like 2 12"s" - (you never heard how 2 proper 12s sound)
10. "if your trunk ain't rattling, it's not happening"; "more rattle = louder sub" - same people that think sound treatment is a waste of money and will make their system quieter.
6. Bigger subs handle lower bass better. an 8 wont move air like a 18
@@ImDultra Depends. What if the 8" has a larger voice coil and motor structure than the 12 or 18"? It would then get much louder and hit lower.
Hey CAF. What do you think about the Rockford Fosgate p1-s4 12s ? And what kind of amp should be ran with a set up of 2 of these.
All the years I’ve been into car audio (as a hobby) I never fully understood clipping, or had it explained in this way. Very good info!
Basically it's forcing an amp to boost an audio signal beyond its physical capability. You're getting barely any more power beyond that turn of the gain Dial but thousands of times more distortion
rmblwgn 7:30 his graph with the smooth lines cut off on top and bottom says it all, I’ve always knew distortion kills speakers, not power, and yet that graphic of the “clipped” lines is pure genius. Thanks for chiming in.
@@woohunter1 knowing that 90% of people on the street use shitty 2channel 200 Watt amps to power their subwoofers I'm convinced that clipping is what melts voice coils. I don't know at what point I started to understand all this but it certainly wasn't when I got my first system at 16 because it took me two weeks to install a simple amp sub and radio. now 10 years later I wish I knew this basic stuff back then
Thumbs up for bilingual skills. Saludos Amigo gracias por el video.
CEA rating subs lol
i have 2x 12” dd712d2 redline subs and ddm4a 7000w amp and box tuned on 40-30hz and im only getting 157.3db out and my volts are stable at 13.4V. So should i add bigger battery in the back or getting a third one?
awesome information
Doug says you'll be bald before he will but I think he is wrong his hairline is way worse than yours what are your thoughts?
Bet u wouldn't say that to Douglas face nanana bobo
Leave the man alone
Just to clarify for the cheeeldren
He means the total interior air volume of the speaker cabinet/box, that can physically fit inside your vehicle.
Not the total air volume of your vehicle.
Would it benefit if I add a cross over and a epicenter audio control To my system ? And would it gain power ?
I Love it... ❤❤❤ Helps me a lot...
OK guys I need some opinions if I can get some honest ones. I have a 2006 Mustang GT and I'm looking at putting 2 Skar EVL 12s with the Skar 2000/1 amp, if I don't go that way what's a good sub setup for that car? Thanks.
Muito bom colega, acompanho seus projetos e vídeos muito profissional, valeu.
Have been doing car audio since the late 80s and totally agree with what you are saying!
Nice video 😊
Hello should I put polyfill inside? Or any kind of damper material? I heard that it willake the sub sounds better
How to calculate, what size of subwoofer is best for Opel Astra 2006 hatchback? I like sound quality, and i want fast Base for rock music but sometimes i want lows also. Ive been thinking about two 10 inch with closed enclosure. What do you think? Thank you. :)
I need some clarification on something. If a clipped sine wave (almost square) from a 500w amp destroys a 1000w speaker, does that mean that if I play a simple square wave from a 500w amplifier it will destroy 1000w speakers?
Thanks!
Should i buy 2 12" or 3 10"? same brand and same wRms but cant decide
Do you have a video on speaker placement. I would like to put it behind the front seats or in the middle. Or should I put them higher up on the seats. I drive a truck and need some bass. But there's no obvious place to put it.
I got some free subs to try out. I'm not sure if there any good being free but I dk know the run. I believe it's 80 watts. If I'm going to install something Im going to get something that works that might mean getting a new solution.
Thanks for any help