Help with box tuning

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So 30 is a bit low tuning for normal music, and people tell me 45 is too high because then it will not play the deep notes, so 35 can be a good solution? Remember, for me the only real bass i need is the one you can feel outside the car, not only hear, but feel too! Sorry for my english, i'm in italy
Most actual music played on musical instruments will contain little to no material below 40hz. Even most EDM music I've played will not dip below 35hz. If you do not plan to listen to "bass mechanic" type music or slow speed recordings or similar 35-36 should be plenty low to handle pretty much anything that would play on the radio.

I would agree that 45hz tuning is going to be a bit high for a good range of music. That and higher tuning is typically reserved for SPL burp applications where you're aiming to just play very loud around your car's resonant frequency which usually is 50hz or higher for most common vehicles.

Anyway, you will notice that some horn/string instruments will play 30hz and lower but if your goal was to reproduce a concert hall sound, you could still get loud enough to be realistic even with higher tuning as the port will control the cone a good bit below tuning frequency.

29201



I believe if you build the box in your picture, make sure the seems are airtight, and everything is solid (add a support/brace between the two woofers to the back panel) you will not have a problem playing just about any music very loud.

You may even find that box is a little too large and you begin to approach mechanical limits of your woofers with so much power on tap. If you do, you can always just add 45 degree pieces into the corners to remove some box volume and add layers to the inside of your port to shrink that as needed to keep your tuning ratio.

I can assure you, your English is better than my Italian!
 
I would not tune that low if you intend to play actual normal speed music.

That said, use every bit of that 12 cubic foot gross space you have and use 300 square inches of port area. If your box is built solid you should not have any issues being loud everywhere.

Not really quite true. I think your point is valid, but there's definitely people who tune in the high 20's for daily, including myself. Boxes tuned to the high 20's, if done for music, typically reach up to 70 hz or so, if it's a good woofer and design all together, good system. Some of the most hardcore SQ guys tune in the mid 20's, and win comps like that, so there's something to that.
 
I bet you still can't name 5 songs that aren't re-mixed or slowed down where one would need to play below 30hz.

That said, I did just model OP's subs and they should play flat-ish tuned in the mid to high 20s but there's a lot of output to be gained in the 40-50hz range (where actual music happens) for tuning up into the mid 30s AND port tuned to 25hz with adequate area to hang with his potential displacement is going to be enormous.

Really it looks like they're designed to shoehorn into a very small box and just throw a shitload of power into them to try to play flat-ish. I'd still use a large box and take a peak where most of my music will want for the sake of efficiency.

I would still tune those no lower than 32hz for myself and keep them in 5-6 cubic feet per sub.
 
So.. I'd ended choosing 35hz as my tune. so i don't sacrifice too much my rebassed/slowed an it can be decent with normal music too. Hopefully..
 
So.. I'd ended choosing 35hz as my tune. so i don't sacrifice too much my rebassed/slowed an it can be decent with normal music too. Hopefully..
It should be relatively easy to add some inserts to the port to lower tuning if you feel it will help after you get this all together and start testing.

Please keep us posted.
 
I bet you still can't name 5 songs that aren't re-mixed or slowed down where one would need to play below 30hz.

That said, I did just model OP's subs and they should play flat-ish tuned in the mid to high 20s but there's a lot of output to be gained in the 40-50hz range (where actual music happens) for tuning up into the mid 30s AND port tuned to 25hz with adequate area to hang with his potential displacement is going to be enormous.

Really it looks like they're designed to shoehorn into a very small box and just throw a shitload of power into them to try to play flat-ish. I'd still use a large box and take a peak where most of my music will want for the sake of efficiency.

I would still tune those no lower than 32hz for myself and keep them in 5-6 cubic feet per sub.

I have songs that naturally play in the 20's. I don't have that music on this PC, it's on my old laptop, because I don't have a stereo in my car or drive much, so I don't have it off hand. I had all my songs in a bass list back in the day, I had sometimes a special list for 20's and 30's songs. There's a lot of rap producers that will slip 20 hz notes in songs and a lot of people have no idea they are there because they hit the HPF/subsonic crossovers.

Don't let your music tastes determine tuning for others. Most bass happens in the 40's and 50's if you're old lol. Jk, that's kind of what it feels like. I listen to a ton of electronic music that has a ton of 30's in it. I have rap songs from the early 2000's with bass sweeps that go down to 14 hz lol, I know that because I used to run songs through audacity for non-clipped bass songs for demoing for hours. I used to also slow my own songs. Idk if you think I'm an idiot or lying, but I literally have looked at waveforms of songs to see if the bass is clipped. I know exactly what frequencies people play and what songs are what, brah.

There's nothing wrong with re-mixed music, slowed music, whatever. None of what you said isn't a good reason not to tune low. People need to tune based around what they do.

Audio just isn't about playing music man, it's about having fun. Sometimes experimenting with the 20's is super fun to people. I have competitors that I design for that do 158's in the 20's dude. For competition. Idk if you're out of the loop, but that's a way to compete now in some places is to play super low on music and that's part of the score factoring. And it's f*cking awesome and super challenging to do well and that's exactly why we try to do it.
 
So.. I'd ended choosing 35hz as my tune. so i don't sacrifice too much my rebassed/slowed an it can be decent with normal music too. Hopefully..

You should still be able to play down to at least 30 hz or so strongly, depends on how your port is oriented in the vehicle. 35 hz typically has quite a bit stronger peak than 32 hz, so it'll be loud. If your subs are really good and the box is as a part of the vehicle, then you might be able to get down into the 20's some bit, just depends on a lot of factors.

If you want the best chance of playing away from tuning frequency and doing it well, get an amp with a high dampening factor.
 
I know exactly what frequencies people play and what songs are what,
And you still have yet to drop a few song titles.
that's a way to compete now in some places is to play super low on music and that's part of the score factoring
I have heard that is a thing. It's nice that people who prefer music played at half speed have something to do with that.
 
And you still have yet to drop a few song titles.

I have heard that is a thing. It's nice that people who prefer music played at half speed have something to do with that.

Haha I'd rather design that run through 1100 songs in my files to prove something that I don't care if you like or not. If you don't like it, that's fine. If you want me to design you a box, I'll tune 35, 40, wherever, if that's what makes you happy. It doesn't matter what songs do or don't have low bass; all that matters is what people want to hear out of their system, and I try my best to provide that for them.
 
Ok guys, i have to say thank you all for your precious information, for a newbie like me is gold. But, you have not aswered at my real question at all. What frequency is the most "feeleable" outside of the car? This post is not about making the perfect box for music listening inside the car or hair trick, i need to know what frequency you feel on your clotes and your skin 3 or 4 steps away from the car so i can tune the box at that HZ to boost it even more. i play music open door with 8 10 inch midbass and 4 horn drivers. Thank you
 
Tech n9ne- T9x. The end of the song has a bass sweep that goes well below 30hz. Snoop dog has a song that has a super low bass hit that happens every 4th measure, but you won’t hear it at all if your box is tuned high. Not that this matters, as I don’t tune boxes around specific songs, not to mention I listen to mostly heavy metal, but there are plenty of rap songs that have bass that you never hear on some sound systems. Ghetto boys had a song also that had bass that wasn’t really audible, but it sure shook the car in silence. I don’t think it’s a normal thing, but some music does dip that low.
 
What frequency is the most "feeleable" outside of the car?
All of them once you get proper loud. Why not pick some type of music you would like to play and play loud and build around that?
Ghetto boys had a song also that had bass that wasn’t really audible, but it sure shook the car in silence.
I'm pretty sure I own every album they ever released along with every solo project of members and I can play all of that with @40hz tuning. I have one pop song in my entire music collection that gives me trouble if I play it doors open or windows down at full power. It's a pretty gay song so I'm not going to name it. There is no subsonic filter on my amp.
 
I'm pretty sure I own every album they ever released along with every solo project of members and I can play all of that with @40hz tuning. I have one pop song in my entire music collection that gives me trouble if I play it doors open or windows down at full power. It's a pretty gay song so I'm not going to name it. There is no subsonic filter on my amp.

You seem to have a vendetta against low bass, like you're gonna convince people to not tune low. There's plenty of people who like to play in the 20's man. Tons of people I design for like to. It's fun, that's why. Idk what our age difference is, but Ghetto Boys is old as f*ck and isn't a relevant comparison for today's music. Electronic music is a whole different field than rap. The bass is just way different. You're a borderline hater of other people's tuning liking. I mean, you do you, let other people do themselves. Idk why tuning low is bad, if that's what people know they want. Music is a feeling, people shouldn't have to justify why they want their box made to play a certain way. It's their ears to listen to their box, not yours or mine. Your argument there is valid, as far as playing notes, but people listen to all different types of music. 40 hz is probably peaky as f, depends on the vehicle and how everything is set up. Just because you can maybe play 30 or however low with a 40 hz tuning, doesn't mean that it plays 30 hz like people want 30 hz to sound. But that's ok if you like your system tuned high, and it's ok if other people like their systems tuned low.

I have walls I do tuned to 23-24 hz, and it's amazing and fun to do something like that. If you think there's something wrong with that, then you don't understand the beauty of music. The point is, there are no rules. Your imagination or mine or whoever's mind is the only limiter, when it comes to audio.
 
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