MAXimizing Subwoofer Performance - Tuning & Testing W7 Box Build!

Рет қаралды 81,803

Күн бұрын

The job isn't done when we connect the speaker wires to an aftermarket subwoofer, we still need to properly test and tune! In this video we look at how a DSP can assist with perfecting the performance of a subwoofer, and we see what kind of performance we can get out of the JL Audio 13W7 we recently built a box for! What SPL score can this W7 subwoofer achieve? What is the Tuning Process of the DSP using a RTA and the MAX? Let's dive in!
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Пікірлер: 172

@ViC8o5 Жыл бұрын

146.8 on a single 13.5 with that amount of RMS with a setup that’s designed to be more towards an SQ build is purely insane.

@jondoe6618 Жыл бұрын

welcome to the jl w7

@ViC8o5 Жыл бұрын

@@jondoe6618A lot of people see that $1800 mark and say you can get way louder for cheaper, yes that is true. But loud and still sound amazing not so much.

@ashleyburke2282 Жыл бұрын

Has anyone ever heard of DD? THATS REAL SQ. IVE OWNED BOTH

@oscarishandsome5150 Жыл бұрын

@@ashleyburke2282 Digital Designs? I always wonder why nobody uses their subs and why DD don't put much efforts into marketing them

@MotoAtheist Жыл бұрын

@@oscarishandsome5150 I don't know why anyone would buy anything from an A'hole manufacturer who forces you to go through a dealer to get their precious garbage.

@dalewiley9208 3 ай бұрын

Your knowledge of car audio is absolutely astonishing.

@vpowerelectrix998 Жыл бұрын

This is a high quality build with all the technical abilities to get the best out of the complete system... The final product,from design to install to fine tuning in My eyes is genius..

@shawnsanderson3695 Жыл бұрын

I just have to say man I am so thankful for what you're doing here with the easy to understand explanation. It's like having a close friend that knows all the answers to my questions for such a specific and schooled art

@laurantsmccloskey5927 8 ай бұрын

146 & Change on the bass!!! Holy moly i never thought you'd even break 140 on 1000 watts with one sub! Great job on this System!

@msmith954 Жыл бұрын

Great stuff as always, Mark! You really do a great job explaining things.

@bradlisa5951 Жыл бұрын

I built a ported 13W7 enclosure for my buddy’s eclipse about 20 years ago with the old school JL’s Slash series 1000/1 along with JL 300/4 on Alpine mods and highs, and it hit an amazing 152.3 dbfor the win at local car show sound off. Another guy was there that built car with 2- 12W7’s and 2- Slash 1000/1 amps and he hit 153.02 db, made me extremely proud that day. 😊 😉🤘😎🤘

@7Logik 8 ай бұрын

How big was the enclosure and what was the port tuned too?

@lloydhudson6463 6 ай бұрын

That's nice for two 12"s

@masteropuppets5642 Жыл бұрын

This was an excellent demo! Thanks!

@laurantsmccloskey5927 8 ай бұрын

Very coherent tutorial! Awesome work Mark! Thanks again

@wolfthornhawkridge5705 Жыл бұрын

I like full tilt boogie! Nice build, you make it look easy.

@bendmacmanufacturing2744 Жыл бұрын

$1800.00 it better rock your world and other worlds !!!

@RodofAllTrades Жыл бұрын

Supposedly, compared to initial MSRP at release and the rate of inflation, this sub should be sitting at $1,576.00. I am glad I only paid $300 out of pocket for my clean, 1 owner 13W7! I think JL will continue to be "ahead of the inflation curve" as long as people are willing to pay the money. I love my 13 and wish I could have TWO of them!

@longbluesquid Жыл бұрын

I have the 10 inch version of the W7 and it’s worth every penny. The best sub for the car you can get.

@ytb13 Жыл бұрын

it just looks like it sounds good

@jondoe6618 Жыл бұрын

@@RodofAllTrades yup! I had one. bought it from a buddy. sold it back to him. I still have a w7 8 tho. Insane subs!

@chansaechao79 Жыл бұрын

That's not including all the money for test equipment time tuning. 😂

@basscaddy1449 10 ай бұрын

Damn that was quick lol i just asked for this video bc i was watching the video on building the enclosure love your videos very inspiring to me

@jamesgandia8099 Жыл бұрын

Like always. Great video. Thank you for sharing your knowledge.

@CarAudioFabrication Жыл бұрын

Thanks for watching!

@TheMessiah91 11 ай бұрын

Beast of a sub and build cheers!

@midwestmike613 9 ай бұрын

JL audio with Fosgate amps always made them lows I really enjoyed in my rides. Had 3 W6S and a punch 200 for almost 10 years. Went to one for trunk space but still sounds nice compared to any other sub in my opinion 👍👏

@hadbl12 Жыл бұрын

I love the 13W7.

@jljackson1983 8 ай бұрын

The 13.5W7 hits such low clean bass there are songs I've played on other subs and noticed certain bass not being play. The 13.5W7 makes for a completely different listening experience

@paulgood2218 Жыл бұрын

The JL max is really something special

@thembelanihdlamini5395 Жыл бұрын

Yohhh there is so much information here. WOW.

@kepreza Жыл бұрын

hi Mark, after you set your woofer TA by using sub as your reference point, do you add or subtract from the established TA value from each speaker when you dial in TA for the specific listening position in the car?

@MillTownMatt414 5 ай бұрын

I think this is very informative for 1% of the car audio enthusiasts out here and not really for the average DIY’r. A tutorial on tuning and and perfecting car audio with basic tools/equipment would apply to a wider audience and would be appreciated.

@petedetraglia4776 4 ай бұрын

Exactly. AA battery for polarity check, $20.00 voltage meter to check what ohms the cabinet is wired to, If you know the Fs of any speaker on the crossover set it higher by 2 times, so a speaker with an Fs of 60hz you would high pass filter it at 120hz to protect the speaker and for better performance in its frequency range. I used the same process for my subwoofer also. If the subwoofer speaker it self has an fs of say 35hz I would start the low pass filter at around 70hz and then micro tune it from there to my preference. Subsonic filter usually set to 5 hz under Fs so this 35hz subwoofers subsonic filter would be set to around 30hz..You don't need hundreds of dollars in equipment if you have the specification of the speaker box and subwoofer from the manufacturer...

@fishtailfuture 4 ай бұрын

He has tones of those man. Do a search. Also tons of videos of others doing the exact same thing. And its his channel. He can make what he wants. Go watch one of the other million videos for the same old shit builds. I plan on doing this kind of setup with my next system. Perfect video to get my feet wet.

@chickydogbreath1 5 ай бұрын

Man its crazy how technical I've been able to become based solely on your videos alone.

@kevinmoodley6193 Жыл бұрын

Love the work done. The enclosure is beautiful. Excellent work. If you were going for maximum SPL would you have still went with a ported enclosure?

@firebender3092 Жыл бұрын

100% still ported

@Dievents 8 ай бұрын

Is very good

@jelle7708 Жыл бұрын

Please tell us more about tuning. Are you familiar with Helix DSP and tuning with REW and umik 1 microphone?

@mtxpert 10 ай бұрын

I just ordered a pair of them for a blow through on my truck on a pair of T2500, I'm thinking series bridged bdsync :) Not sure if I want to do 6th order or just ported with subs in the back of the cab

@jerichojoe307 Жыл бұрын

I have a question. How would I find out information on a speaker that doesn't have all of the TS parameters. I recently bought a pair of gravity warzone 8in gw8d4 speakers. It does not list the displacement or have all of the parameters. I wanted to do a custom build with these but it's difficult to design something without speaker specs.

@donlankford4315 Жыл бұрын

Hi, love your content.. I have a question.. I have a 01 ram ext cab... and I purchased a under seat box.. for two 10s... the box has a air space of .57.. the speakers I have ( purchased for a larger box ) needs .7 .. kickers crv102s... the box I have is wedged shaped and no room to port.. should I leave the box sealed or can I use passive radiators?? Oh pretty much every box I see is in simular design... any suggestions.. ty vm

@luisacalzada95 10 ай бұрын

Hi i was wondering if you've made the same video for the 12" W6 ?

@arnicus208 Жыл бұрын

How do you feel the removable cab made from plastic/ fiberglass (???) effected the sound quality and SPL score? I drove an identical Jeep on vacation and, while it’s sound wasn’t horrible (stock), it did have quit a bit of deadness at lower volumes and would assume it would have a ton of unwanted noise and flex at higher volumes. Without serious stiffening and deadening of course. Cheers.

@calibomber209 4 ай бұрын

Do you have boxes like that for dual 8w7? I was looking towards the gately boxes.

@barryhowell8992 Жыл бұрын

Hey bro. How about a sound band EQ display for the rear vent windows on my Ford Expedition? They make these cheapo units that plug into your cigarette lighter and light up your windows to bounce light bars to the beat, but the sensitivity adjustment is junk and my Rockford Fosgates are too powerful for it. I was wondering if you knew of another product that I could install on the interior of both side rear windows that would light up at night like an old school "EQ"? And one that would actually display the difference band frequencies as they're playing in each song? The cheap kits all light up at once, it's just the "bounce" that you can kind of adjust with the sensitivity knob.

@gaj9080 10 ай бұрын

I went to the JL Audio site to try and find the final installation of the speaker surround wire and the locking ring, but I couldn't find it. Is this because they were purchased by Garmin?

@bryandecker366 8 ай бұрын

Great video. I'm ordering my 13w7ae in two days. I listen to alot of rock/metal with fast kick drums. I enjoy that tight punchy bass. Do you think that can still be attained in the ported enclosure or should I go sealed?

@anthonyhamoui9535 Жыл бұрын

I wish I could have you work on my truck it would be awesome video I spent alot but I didn't install it good enough I think

@Lemarchand34 Жыл бұрын

This SPL score how was achieved? Could we know about the wattage and at what frequency? Cheers!

@HashDogg06 Жыл бұрын

Looks to be @40hz, probably only pushing 700watt with impedance rise. Very good number for the wattage in a non SPL setup.

@shawnsanderson3695 Жыл бұрын

I remember back when I was doing one of my very first stereo systems in my car It was a Pontiac I was at one of those front of the mill audio shops and I saw a jail audio sub and a box and it says wow the RMS on that thing is really not much. Says well these are underrated speakers. And since it was only like 130 bucks for the speaker and the box wire that's this man I'm going to give this thing a shot and I was blown away from day one so I'd never buy anything other than jail audio after that. I think it was in 2000 or 99 yeah 2000. what do you think that model was. Hard to remember us but I think they said the RMS was 150 watts or something like that maybe 180 It was a low number

@urmailingalen Ай бұрын

Hey man you’re the only one I can turn to. I’ve got a JL system installed by a dealer and I still heave a very faint hiss from the speakers but only when the A/C is off and you’re dead silent. I looked at the ground and I saw they didn’t scratch the paint and I brought that up to the installer and he said he’ll adjust the gains and that the amp ground just being screwed in is enough because the threads are touching bare metal. Should I take it to heart or should I just sand the paint under it, or will it even make a difference? Amp is XDM1000/5.

@v8tergt653 2 ай бұрын

At what hertz would you recommend tunning this subwoofer enclosure if space is not a limitation? Im going for SQ over spl with a Slash 1200/1v3

@exgremory3387 Жыл бұрын

Ok I'm gonna ask can I put 2 midrange speakers and 2 mid bass speakers bridge will it work or be bad idea ??

@exgremory3387 Жыл бұрын

@hjcceril5491 bad idea then got it

@heroericxu1634 Жыл бұрын

Wondering how this sub compared to a Brahma or SQL

@rkzooplays Жыл бұрын

yes sir

@foxriver9156 Жыл бұрын

Really learned a lot from this! I'm curious, how would someone setup their DSP if they don't own all the of measuring equipment?

@418lightning8 Жыл бұрын

I know it won't be as accurate but there is phone apps that could get you close enough

@AudioEuphoria080 Жыл бұрын

@@418lightning8 no way lol a phone is hella inaccurate

@happytrails5342 9 ай бұрын

@@AudioEuphoria080a phone has a ridiculous amount of processing.

@ARoss83 Жыл бұрын

What amplifier did you use ?

@harrysingh4426 Жыл бұрын

Can you do a review on the alpine type X

@mpolster24 Жыл бұрын

I've got almost the exact same setup. Only getting 133 dbs. Vehicle isn't an suv but my chrysler 300 with the backseat down has plenty of airspace. What could I be doing wrong? That is a huge difference compared to yours.

@7Logik 8 ай бұрын

Enclosure, electrical system...

@lucaslong5368 8 ай бұрын

Trunk vs hatch. Hatch will always be considerably louder. The only way to get a trunk build louder is remove the rear speakers and/or cut the center of the rear deck to allow more of your bass to reflect off of the glass. You're losing bass energy from vibration. The metal in the trunk turns your sound into rattles. Remove the material between the subs and the glass which is incredibly dense and your bass output will increase 🍻

@shawnsanderson3695 Жыл бұрын

I want to do this so badly for my own daily drive. I hope i can find a way to afford the equipment eventually

@RYDRmotorsports 10 ай бұрын

You should do installs for customers and build enclosures for them as well. You would make bank.

@nolanpratt8843 10 сағат бұрын

@@RYDRmotorsports most likely already does 😂😂🤙🏻

@ShaunJaySays Жыл бұрын

What ohm load is the vxi running?

@RodofAllTrades Жыл бұрын

In an earlier video, he states that it's wired at 3 ohms, coils in series.

@tombeemsterboer8591 Жыл бұрын

Does the polarity check tool also work on tweeters?

@CarAudioFabrication Жыл бұрын

Yes

@frothyshoes 7 ай бұрын

Me after hooking up system: “Haha subwoofer goes brrrrrrrrrrrrrrr”

@Hexa8 5 ай бұрын

Name of the track you played Mark Loved your designing skills ❤ Some good bass tracks you can suggest for 33hz tuned box

@zell666hell 4 ай бұрын

Damn, this dude is nerd in out! And who’s gonna be able to afford all that testing equipment anyway?

@sirdonkey3001 2 ай бұрын

hi, what speakers are using?

@jessebeatty9696 2 ай бұрын

And I’m out here with a tape measure, putting in feet and inches For my alignment lol

@oriondrake6919 6 ай бұрын

I have a build planned for two of those 13.5 w7s, do you recommend buying two of those amps, or do I have to do something weird

@CarAudioFabrication 6 ай бұрын

Yes, two amps. HD1200's are solid for the 13W7AE's

@oriondrake6919 6 ай бұрын

@@CarAudioFabrication I’m sure you get a lot of quick questions, but if I’m going to make a dual w7 13.5 build, should I got for a sealed enclosure? Or maybe the question I should be asking is will the infrasonics still be amazing?

@adaptedbythedans 7 ай бұрын

What DSP software is this?

@matthewguynn2336 Жыл бұрын

Did it out db the Rockford t2 build?

@jamarrjohnson3422 11 ай бұрын

I came here to see if this question had been asked and answered yet. I have a brand new Rockford Fosgate T2 13” sitting in my closet. Fun Fact…I also own the T2 13” that he unboxed and built a system for. It’s also sitting in my closet. He shipped it to me packaged like it was brand new. I haven’t hooked it up either.

@JonathanDFielding Жыл бұрын

How do you do this with REW?

@TickleFingers Жыл бұрын

You would need a USB audio interface with two channels for a loopback to measure phase. For multiple mics like the max you would have to buy the multi mic version of REW as well. It would be better to use a different program other than REW for multi mic arrays like Smaart V9, but it is a out $160 for a year subscription of LE or almost $500 for a lifetime key. Everything can be done I. REW, but nowhere near as easy.

@JonathanDFielding Жыл бұрын

@@TickleFingers can you use the reference signal and still be able to use REW? I'm less familiar with REW and the use of the reference signal used for timing

@vernonjackson1792 Ай бұрын

This is why a DSP is needed for every system. So you can control everything. Get better SQ. Your system will be focused instead of sounding like the speakers are playing everywhere. And you can take that same sub/box and put it in another car and it will not sound the same because every car's cabin is different....

@sauzabernard1720 17 күн бұрын

Anyone here can please give me some specs for a 15" Solobaric L7 4 ohm…?

@RodofAllTrades Жыл бұрын

That sub will last FOREVER running off of that amp at 3 ohms. I am currently running a Down 4 Sound JP23v2 @ .75 ohms, in order to take full advantage of the 13W7's mechanical limits. I once burped a 50 Hz tone and measured 2,980 watts with an SMD AMM-1 and my amp is turned down as to not let the voice coil bottom out against the back of the magnet!

@cjsimmons269 9 ай бұрын

I went to your site. It’s a shame that you can’t build that box to order.

@CarAudioFabrication 9 ай бұрын

I'll sell this exact one to you. Message me if interested via the website

@JonathanDFielding Жыл бұрын

If you want a cheap but good solution for impedance and S parameters measurement, buy a Dayton Audio DATSv3(v2?) Only about $120.

@bradysimpson Жыл бұрын

She gets down

@Steve-nu9op Жыл бұрын

play Tranx by Bass Mekanik ;)

@shawnsanderson3695 Жыл бұрын

146 sounds like a pretty big number to me

@MacNifty Жыл бұрын

I swear the world is manifestations. I swear because I just pulled mine out of the trunk. Because i'm getting no signal and i'm wondering if I blew it. I feel no crunchies and now i'm pulling the amplifiers out. I have to test them why they are powered up and i'm getting no signal. It's one of those days. But it's weird that I get recommended the same. Looking box with the same speaker, it's definitely artificial algorithm.

@lure68 Жыл бұрын

A man how can I make a good box for 6.5 sub .

@MotoAtheist Жыл бұрын

Start by getting a bigger sub first.

@arnoldsalazar5851 11 ай бұрын

I pray JL doesn’t go cheapo on us since they were just acquired by garmin.

@shawnsanderson3695 Жыл бұрын

Other than competition for bass I don't see why anyone would tune their low end any other way

@SilentShadow-ss5xp Жыл бұрын

I'm not convinced time alignment makes sense in a car environment. You can't time align for every seat in the vehicle meaning only 1 seat will have properly aligned audio. I think just having no delay is fine.

@CarAudioFabrication Жыл бұрын

You need to sit in a vehicle with a proper tune that has a NO TA preset and then one with TA. If you know what you're listening for the difference is staggering. Also there are strategies we can use with phase and additional drivers to make every seat in the vehicle sound good.

@ap1986 Жыл бұрын

@@CarAudioFabricationevery seat soud good? (Cough) Video (Cough)

@avhuffTeamOtis Жыл бұрын

I have a preset on my dm608 that is time aligned for just me in the driver position, 1 other preset for my kiddo in the back seat and another with balanced stereo, besides the sub of course. Works great, shifts the imaging of the sound stage to center whilst sitting in the drivers seat.

@jaiaditya4u Жыл бұрын

A simple answer, it makes every sense to have TA done for any system that you are listening to whatever the environment is, if you are listening from any offset position. In other words, if you are not sitting at the center of all the speakers that surrounds you, even may be a 2 stereo channels, you need to get the Time alignment done.

@RodofAllTrades Жыл бұрын

I have a JL Audio TwK-88 and when I am giving a demo, I just change presets so that the passenger seat is in the "sweet spot" and is time aligned. I also switch the sweet spot to my side while they are sitting there and the difference is staggering.

@quintinwhite8653 Жыл бұрын

I recently bought two 12w6v3s and was so excited to hear them but was let down when they sounded similar to my single skar 12" zvx and didn't have nearly as much bass.

@JonathanDFielding Жыл бұрын

What amp were you using?

@heroericxu1634 Жыл бұрын

Bad box

@808teckie6 Жыл бұрын

Have both subs and there is no way a single skar zvx is outperforming two w6's. You are definitely doing something wrong. I only have one w6 and while the zvx plays a little louder, I know for a fact that if I added another w6, it would definitely out perform the single zvx. Hands down. Sub for sub, the output capability of the w6 isn't that far behind the zvx, although the zvx is noticeably louder, but not nearly as drastic as you claim. And that's just single sub vs single sub. Adding another w6 would easily outperform the single skar zvx. The zvx has more xmax, but it would need alot more xmax than it currently has to overcome the cone area that two 12" drivers have. I mean, look at the numbers. A quick google search tells us a skar zvx 12" sub has 24mm of xmax. a w6 sub has 18mm of xmax. Being that both are 12" drivers, they basically have the same cone area. Sub for sub, of course the skar should be louder, its cone can move further in both ways, which in turn moves more air. However, adding another w6 DOUBLES the cone area, which takes the 6 mm xmax advantage of the zvx right out of the equation. Double the piston area makes a bigger impact on the output than 6mm of xmax. If you had said you had a 12" sundown zv6, which has an insane 38mm of xmax at 70% bl(!!) Then I'd believe you. 38 mm of xmax is an insane amount cone movement, and I believe that would definitely move more air than two w6's. However, after comparing the skar zvx to the w6 in my car, I can say with 100% confidence that two w6's would outperform a single zvx. the zvx is definitely louder than a w6 sub for sub, but two w6's? Nope.

@clittle1559 Жыл бұрын

2 12w6 of any version should stomp a mud hole in the zvx's ass the box configurations and volume is a major factor you can EZ'ly make a 1000 subwoofer sound like trash and vise versa with a cheap sub

@jondoe6618 Жыл бұрын

not even possible.