*How To Find Peak Your Peak Frequency* *Tech Time Thursday* ft ProjectSPL

[@charliehigbee5855]

the sound of that door shutting bring me back 18 years ago to my first car a 93 gmc Jimmy slt awsome lil rig!

[@khunigan]

I ❤️ how u r explaining the nuances of a quality build. Ppl hv no idea how to do it right. Preach brother 😆

[@winfieldjenkins1328]

You sir have created a complete spl beast. That's awesome

[@Finga_Trappa]

Pure content** real followers jump for this no matter what time it is 🙌

[@6wil0liam2]

Right. Im late for work sitting in the parking lot watching

[@josephcastillo6742]

Great advice on the sweep and not playing full tilt

[@u9Nails]

Tease that hot sauce, then give us mild!!! You got me good! Love the videos. I'm tuned in and waiting to see what is next!

[@supermhart]

Wow! That's a great start.

[@kennymack8056]

Looking good ! Lots and lots of work paying off!

[@bigvell02]

Nice!!! & yes indeed you had me going at the end.

[@zachhouston6184]

Like the blazer clean setup

[@JoniK1]

Good video. I usually want to start this max 10db down from max decibels. Even then my peak frequency isn't fully accurate, one time I peaked at 32hz (about 30hz tuning) and real peak on full tilt was 52hz with less than half power 😃

[@dariocamacho9871]

Love your videos BTW watch you all the time

[@bigcountrybang774]

Great info brutha....I'm learning alot since starting this SPL project.

[@JustEnufCustoms]

Lol you tease... Wow bro that is crazy hitting like that and really just breaking in. Cool stuff 👍✌

[@Timsmo0th]

Definitely puts power increase to dB increase into perspective!

[@richschenk1828]

Great information ty!

[@kevinhollingsworth5816]

Awesome!!!!!!

[@Simpleman1078]

CD CD'S what is a CD? Never heard of a CD? You mean they have them yet? Just playing bud! Great video as usual! ALWAYS informative no matter what the topic is! Ty

[@Vanaspatti]

BITD we ran pink noise through and watched the RTA for peaks. Typically the hump was resonant frequency. I don’t know about that software but if you can watch all frequencies at once in real time it will get you closer quicker than sweeping from 20hz up.

[@maxfmfdm]

thanks man helpin me learn more

[@georgethoman82]

I wanna see you go full tilt on that windshield let the chaos commence !!

[@johnalenwork53]

FREKIN SWEET BROTHER IT GOING TO BE AWESOME!!!!!

[@sanzvlogs5157]

You a freaking legend man!!!

[@Pittsburgh-412]

The loading wall will make it hit way more spl. Can't wait to see that video man. Good job

[@PURESOUND4]

I don't think so. As I understand it, the loading wall/ port in a 4th order enclosure does two primary things.... 1. The port "tunes" the front section to a lower note than the subs naturally peak at in their relatively small rear enclosures ( or in this case, the tubes). 2. The loading wall adds front resistance to the cones motion, helping them to handle more power when the doors are open, without bottoming them out. Neither of those benefits would dramatically increase the SPL on the dash. However, if it lets you play lower, and let's you demo (doors open) without destroying the subs, then it's usually thought to be better than a flat wall right up at the B-pillar. Since this is more of a "one note, burp monster" than a 30hz demo truck, I'm actually surprised he went with that type of enclosure.

[@UnofficialAudio]

This type of enclosure is the only way to fits this much cone area and proper port area into this vehicle

[@wreckless_-jl6uu]

Probably the only video that REALLY explains how to find peak frequency.. IMO.. What model pioneer you using?

[@DanielHernandez-gu1ku]

Agh u played with my emotions SMH great job that shit is gonna rock I say 163 rite now an 168 with the wall finished great video keep them coming bro

[@bizzy42007]

I saw that 163.7 at the beginning of the vid😉

[@sparco317]

Looks like its just over 70hz too.. He burp it at 69ish I bet its louder

[@u9Nails]

Well, there goes my guess at 162! Already beat that.

[@AcidDeathRitual]

You should do a few burps at some lower, more "musical" frequencys. It would be interesting to see the real world bandwidth of such a strictly SPL build.

[@UnofficialAudio]

The 60-70hz testing shown in this video tells you all you need to know about that. Each frequency was almost a 1db jump, aka very peaky.

[@g-style4466]

Trying to play low frequencies will just heat those coils up

[@dcraig63]

Darn! Thought you were going to turn it all the way up! I'm sure the windshield would definitely be history if you did that. Glad it's playing though.

[@josephpiper4167]

BRO! im fizzing at the numbers your doing now!!!! #buildgod

[@kriscarter5440]

Great video. This is exactly how Ronnie Smith found the peak in my kingcab hardbody. Is this also related to vehicle resonance frequency or is peak just another term?

[@FLYGUYFOX]

Great video very knowledgeable but quick question I have a 7K amplifier how much battery power do I need to push it on 2 15 1ohm 3000 RMS x2 so 6000 RMS

[@thenotoriousrvh6091]

That was a huge jump in power from 60hz to 69hz.

[@khunigan]

Hey BTW :I've got 2 s10 blazers I'm gna junk. If u need windshields. Perfect condition. 😊

[@shazwalk]

haha cracked already. nice video

[@SigmaBallistics]

Great method, sweeps are just completely useless because they are too quick. My personal method that many people love is to use when I show them is a sine wave app (I personally use the xplicit audio ultimate car audio app with their tone generator). Within their program you can type in any frequency you like and you can hit the + or - buttons to go up or down in frequency, and you can do this without stopping the sinewave from playing as well so it kinda simulates a very low sweep. And since it's continuous you can easily tell to the ear which is the loudest (obviously this is used in conjunction with an spl meter as well, but you could totally get away with not using a meter for a very close peak freq estimate since you can tell by ear if you didn't happen to have a mic on hand). Your method is technically best though because it simulates the exact spl scenario as you would in the lanes and you wouldn't get the voltage drop associated with playing longer tracks. Great video though man some people really needed to hear this lol.

[@MrFARTSANDWICH]

It would be awesome to see you do a build where you're pushing above 160 in the 20 to 30 Hertz range that's a little harder to do

[@UnofficialAudio]

Thats what the Sundown demo van is for. It does 160s in the 20hz range

[@MrFARTSANDWICH]

@@UnofficialAudio👍

[@waltlivernois6241]

Thinking too but some sundown subs

[@egidio6david0]

Myrtle Beach bassheads here. We love the videos keep them coming! Have you guys thought about throwing some compact NEOS in there just to see what the difference is?

[@COMPASBASSCHICALI]

So once you put all the juice into the subs you will do the same 68 69 70 71 etc with all volume up to clipping?

[@BoomingCreation]

Very nice man. On your loading wall, is their a rule of thumb or just build it? Add or take away while tuning?

[@UnofficialAudio]

Build it lil by lil testing each time I add to it. Basically what I did in this video like a million times.

[@mattalones93]

Nice! But when you go up in power, you should double check to see if another frequency pulls ahead. Mine peaks 50 hz in low power but at 31.5 hz on high power. So it can sometimes be good to go back and check a wider frequency range at different power levels 😉👍🏼

[@UnofficialAudio]

So you're telling me I should do exactly what I just showed everybody how to do in this video?

[@mattalones93]

Sundown Audio unofficial - Ha, no don’t get me wrong. I love your videos, bro (not trolling), and I’m sure your peak is right. I’m just making a small point for others about being careful not to narrow down the frequency range too early in your process at low power, focusing only on that range as power goes up. I think you get me. Anyway, keep it up. Catch you in the next one 👍🏼

[@vernonjackson1792]

@@UnofficialAudio question, would I do this same testing to find my tuning frequency for my car? I want to make sure my car likes the best frequency for my car... Car is 2007 ford Taurus

[@Xstreamaudio]

166.3 no loading wall at 69 hrtz full tilt. ..171.2 with all amps and loading wall tuning will be around 67........

[@buckeyebass9599]

How much do you expect ur frequency will change after ur loading wall d

[@richardmartin8185]

What I was wondering ?

[@Supercharged1976]

TermLab power clamp does power factor as well doesn't it?

[@UnofficialAudio]

Yes it does

[@seancarraher]

What is the Ratio. Looks big from the size of the tubes compared to the box but it’s hard to tell with the fish bowl lens. How many cubes are the tubes ?

[@joeb9793]

I was wondering the same thing. How much volume is there in each tube after sub displacement?

[@UnofficialAudio]

Don't know cause I haven't calculated it. I don't plan spl builds around volumes or ratios. I build them off of measurements of distance.

[@schmidt76ful]

Can I ask is this what cabin peaks at ,,, I get confused or is this where your enclosure tuning is peaking

[@jn5727]

Now that you know the "peak frequency" how do you think the loading wall will affect the frequency and the output?

[@joeanderson444]

Does the term lab display not detect above 70 hz?

[@SleepyBoiii]

Whats the difference between skar and sundown ? Prices or ??

[@nickreed1260]

Yo brother i know this has nothing to do regarding title but i was just wondering if your bass tubes were designed for those ultras or ultimately the zv5s you plan to switch out to in the near future??? Also with the subs basically being in sealed tubes and no air ports are they intended for spl onl only or can they play music as well without alot of heat build up on the motor??? I appreciate all that you do for the car audio world!!!

[@wreckless_-jl6uu]

WHAT MODEL PIONEER?? I seriously going to buy one once I find out that model.... 🤪👊👍

[@JusstyteN]

buy 80prs

[@wreckless_-jl6uu]

No I want this model lol

[@JusstyteN]

80prs is better tho.

[@JimmyG91]

Great numbers man! How much do you think your loadingwall will lower your peak?

[@UnofficialAudio]

Into the low 60hz range

[@jaynkelly739]

AWESOME 69 HZ AT 160.0 AND 12 CLICKS IN. CAN'T WAIT TO SEE HOW IT GOES WITH THE LOADING WALL

[@bdaudio9395]

I may not be right but I question if that’s ur current tune being that every time ur dB went up the power seem to jump a fair bit, wouldn’t you be better off testing each frequency at the same power to make sure u find the most efficient frequency? I no in my burp car 100w can be a huge dB difference wen it comes to frequency’s my guess is ur peak may actually be more the 67-68hz But sorry if I’m wrong lol

[@lowshay]

I dont think there is a power limit in his class so all he is worried about is the loudest frequency.

[@UnofficialAudio]

This video isn't about finding the most efficient frequency. Its all about finding the peak spl frequency, whatever is loudest regardless of power.

[@uptobatentertainment]

Use 24 bit wav files they have 144 dB of dynamic range vs 96 dB of the 16 bit wav CD .. 6 dB per bit... the noise floor is less & there is more dynamics in 24 bit audio. A mp3 is worst due to is being lossy and removing parts of the frequency range, the lower lows & highs and the bit depth ( noise floor info included ) is removed for either variable bit rate or constant bit rate.

[@Str8GasGenetics]

No you won't.

[@r748spx]

Are the tubes a worked out volume ? Or just guess? Will you use the same tubes on both the U and NSv4?

[@UnofficialAudio]

They're a measurement of distance not volume. I don't plan spl builds off volumes or ratios, I do them off measurements of distance. Wave"lengths" and stuff.

[@Finga_Trappa]

Selfie Dustcaps #FTW 😎

[@lowhertzhighspl]

Do you guys think your SAs 12s are louder (bass) than Kicker L7S 12s (44L7S122 which are 750RMS)? Serious question bcuz I want to upgrade and am considering SD SAs 15s, EMF LBs 15s, or Kicker L7S 15s. Don't get me wrong, my two 12s can easily be felt from blocks away but like most, I'm craving for even more!

[@Philipp314]

Wouldnt it be louder wird ported tubes? Just wondering

[@Kmoney1017ful]

You dirty Birdy I thought you're gonna turn it up lol

[@bigjon1359]

is the rise in power because of the impedance curve? rhetorical and with more power what is your actual peek? wouldn't you need to test freqs with all the same power? 80 watts at 60hz and 345 at 71hz thats 4 x the power your spl should go up with more power. at 60 hz and 345 watts what is your spl? or am i missing something?

[@dr_skipwith]

69hz? Nice.

[@ntacoustics500]

Do you still break in subs when using them only for burps or does it not make a difference? And do you have to re-calibrate your tuned frequency as they break in?

[@jamesbondcaraudio4247]

NtAcoustics he is finding the peak frequency of the vehicle. Not the subwoofers.

[@UnofficialAudio]

I don't break in subs at all

[@streamplug6070]

Sundown Audio unofficial Gosh damn 160 is Loud as Heck 🔊🔊🔊🔊🔊🔊🔊🔊🔊🔊

[@jasonmorris9138]

What head unit is that

[@NateHarrisCreations]

So once you install the loading wall will your peak feq change? Or just amplify.

[@UnofficialAudio]

The peak frequency will drop

[@niclasandersson6637]

This year i wuld need a sponsor to sundown audio in Sweden but thear is no in Sweden

[@alphaomega8373]

You can hear the peak at volume one, using a sweep.

[@malcolmbridgens3108]

What is the frequency of a toyota yaris sedan 2007

[@MrEfmonsta]

I had a box tuned to 34hz but when metered the cabin peaked at 55hz is that normal

[@ltzbass9341]

yes, the cubic feet of the vehicle, shape, and layout chance the peak frequencys, you can experiment with box position, seat position, and close off air vents, all to get different results as well, i always found that my vehicle peaked louder with my back seats up, but would player lower with backseats down

[@boengel5342]

What kind of box is this

[@demolishedmembrane]

Im sorry im stupid how does this help without a loading wall is that what your going to tune to or a little higher. Just a little more detail im lost how it helps without it loading or does that not matter to peak frequency but if not, wont the wall provide more area taken up result in a different peak frequency. Please explain a little im well versed in this but that got me or im too tired to think right now.

[@UnofficialAudio]

For me in this build it sets a baseline to track gains as I build the loading wall lil by lil. To anyone else out there it shows them the proper way to find their spl peak in their own builds which was the point of the video.

[@COMPASBASSCHICALI]

Bro I don't know if I missed it because the videos are lomg and can't see all of them. Will you wall the front of the box?

[@mementomorisixfour]

COMPASBASSCLUB CHICALI yes he will be building a loading wall.

[@Chris_Wolfgram]

I used a pink noise signal (all frequencies at once) and determined my peak to be @ 58 hz. So I went straight to my DSP and flattened that peak completely out. Then, where it tried to roll off, below 30 hz, I bumped that up a bit. Not trying to build a burp box. SQL is where its at. If I were just trying to be "nothing but" loud, I wouldn't even run mids or highs, AND I would chop everything below 50hz + everything over 70 hz..... and then feed it a really strong 58 hz signal. But I digress. LOUD is easy. SQL is music to my ears ;)

[@dariocamacho9871]

Play some Psyph Morrison....Wet Dolphin....Go For The Money......Turn It Up....these 3 are just a few that will throttle them subs bro 👊. Get'em play'em and upload that vidoe please 👊

[@UnofficialAudio]

I don't listen to those

[@woofer2121]

all that room and no ported box?

[@MazdaBass971]

He hasn't installed the port yet. Since its a 4th order bandpass he was just testing the pressure from the sealed side.

[@Bassahaulic]

But..... was it the loudest? Or just where you made the most power...

[@jeremywilliams8558]

Actually your peak frequency will produce the least power

[@UnofficialAudio]

This is peak SPL so yes thats the loudest as shown in the video. Power is irrelevant here but even at the end when dialed down to the single loudest frequency of 69hz at 160 it was also the most efficient.

[@FinancePro203]

Won’t the loading wall change this?

[@UnofficialAudio]

yes

[@vincentfaberes2364]

How much is that amp and subwoofer

[@UnofficialAudio]

Contact your local Sundown Audio dealer or favorite online dealer like www.down4soundshop.com. They have prices listed on their websites.

[@mementomorisixfour]

Won’t your peak change when you add the loading wall?

[@UnofficialAudio]

yes

[@mementomorisixfour]

Cool beans!

[@easylooker4889]

It's gonna change again when you add loading wall and more power. And just think that's 160 with no loading wall

[@UnofficialAudio]

Well duh

[@ruffypoo]

I know what y'all waiting on. Y'all want me to turn it up. (Lord of the rings Gollum voice) yes yeeees YEEEESS! Naaaa I'm not going to turn it up. (Old drunk dad voice) WHY YOU LITTLE SOB! Tears :(

[@Skip01]

Got turned on when you said "Rock Solid"

[@davidalessio8474]

I hear it ain't gonna touch the terra tho...lol guess we'll see.

[@akirk2089]

Loading wall??

[@MazdaBass971]

Its a 4th order bandpass enclosure, he doesn't have the front port installed yet. AKA Loading wall.

[@akirk2089]

@@MazdaBass971 right so it seems pointless doing his sweep to find a peak without the loading wall or port

[@jamesbondcaraudio4247]

a kirk you always find your vehicles peak frequency using a sealed enclosure. He is NOT finding the peak frequency of his enclosure. Adding the port or loading wall would increase output at certain frequencies there for compromising the results.

[@akirk2089]

@@jamesbondcaraudio4247 now I get it. Thanks man I appreciate ur time

[@jamesbondcaraudio4247]

a kirk no problem

[@typhoonsd9720]

That poor stock windshield didn't have a chance, with only 1 amp installed.

[@cordell847]

No we're waiting on tge rest of the nsv4 woofee test

[@NendoCrescendo]

A 150 at 800 watts. WTF...

[@10acebikesjodybennettii19]

That was a dick move not cranking it 😂 lol

[@Norse77]

69 hz? I think it feels good.

[@UnofficialAudio]

Only for now. It'll drop later.

[@COMPASBASSCHICALI]

Bro put the computer and stereo somewhere else. I get nervous when I see things on top of amps or speakers lol

[@mrmeiii]

Hey brother for shits and giggles can u try to burp a really low frequency to see how loud the low end might be ? And of course this would be after the loading wall is done Thanks Derrick I like them low lows lol

[@UnofficialAudio]

There isn't any low end

[@mrmeiii]

I was just wondering how low it could go , maybe only to 50hz And I ain't that other know it all dude , it was just a curiosity thing

[@jaredappleseed7037]

Damn

[@v65sabreking]

thats fucked up lol good video

[@benjamin5909]

Is the channel dead?

[@solidsnakesteven]

164.7 db

[@SilverSurfer910]

😮🔊😮🔊😮🔊😮🔊😮🔊

[@belea23]

0.0 -163.7 😁😁

[@dariocamacho9871]

Systems are made for more than SPL burps they are made to be a crowd pleaser. So please play some music brother 👊

[@UnofficialAudio]

This is an spl build

[@dariocamacho9871]

And I respect that bro 👊 a lot of killer tips