Bass Radiator vs Sealed - Test (HMMM)
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- Опубліковано 4 лис 2018
- They say bass radiators can be added to a box to further extend lower frequencies. This is also meant to be a more practical alternative to increasing a box's size by adding a port.
Normally they want to be at least 1.5x the size of the speaker being used. People were asking for this though so here it is.
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I have done alot of testing over the years on weather or not seald or passive radiator enclosure is better. In my opinion it comes down to application. I feel that the drivers and radiators used in this video made this test inclusive. Even though you can hear a slight difference. In my test ive noticed that the passive radiator is more affective in the lower notes. I used a frequency sweep from 90hz down to 30hz and could see that on the higher bass notes the subwoofer driver I was using had more excursion. On the lower bass notes the passive radiator had more excursion. Indicating that passive radiators work best with subwoofer drivers in the lower frequencies. Full range 6×9 coaxial speakers sound and perform best in sealed enclosures with the bottom end crossed off between 50hz-100hz. Depending on the quality of the driver. Subwoofers are designed to take the load off from your midbass drivers and play only the low notes. May I add that you can also tune a passive radiator by adding various amounts of weight. The radiators in this video seemed tuned a bit high. In my opinion it doesn't really make sense adding passive radiator/s to a driver/s thats not going to play very low notes. You will achieve higher fidelity with full range drivers in a proper tuned sealed enclosure. You can use a passive radiator/s with your subwoofer/s if you are tight on space. Its hard to beat a quality ported enclosure for a subwoofer though. Im still testing and figuring out weather or not passive radiators are better than ported. Passive radiator enclosures do eliminate port turbulence. Commonly heard in ported enclosures. So thats a plus. Sorry for the long comment.
Woofer tests make my week so better, thks my stoner mind!! 😍
The difference in bass excursion is huge...
On 50 hz there is definitely more bass but on lower there is not much increase i m using headphones so dont complain anyone
yea, it just increased a bit in "upper" bass.
But well, he just hot glued a few radiators on it. What would you epect.
They need to be calculated and have a specific stiffness. Here is nothing calculated. Just glued something together.
Same but mine are better
Because you are judging frequency based on your earphone so what you're hearing is the capabilities of your speaker not the one shown on the video. I hope that helped.
@@theuncanspan i know that. But if you got gear with a flat response which does not add its own colour to the sound you can maybe closely imagine how they sound. At best.
But you should hear a difference anyways when proper built.
Using my stereo/studio headphones.......
I haven’t seen you in ages! Good to see you again!
🤔
Thanks stoner keeping me entertained as always.
cheers my dude
I actually feel like the box without the bass radiators was more muffled and the other one clearer
that'll be cause of the mic, not the speaker, means less bass i assume.
@@JonathanGerardDias Could also very well be variations in the components.
@@rampagetv yeah thats possible, maybe the tweeters of the one in the sealed box were slightly different. Or as @Jonathan Dias mentioned it could also be the placement of the mic. Or maybe even my imagination
@@JonathanGerardDias Whenever I tune a car audio system I go purely for DB's. That's what the mic would pick up. The mic makes no distinction of distortion or clarity. Sealed boxes sound clearer, crisper bass. Ported boxes can be tuned without resizing the box to gain more DB's. I've never messed with radiators, but I'd assume it's a similar comparison.
at 2:38 i notice the change
I love ur vids keep it up
Was waiting for diz
there was an ever so slight bit more excursion on my subs when you used the Fli speakers with the passive radiators, audible difference too.
Yeah, there is slightly more base on the higher frequencies, but it tapers off lower down. I also noticed a slight increase in treble response, dunno why.
But I think the reason why the difference was so slight is because even with the bass radiators, it's still technically a sealed speaker unit with no air flow. As the Speaker moves outward, the base radiators move inwards and vice versa. There is no airflow to maximize excursion as it fights the vacuum inside the sealed box. The radiators only add a slight relief because they move inwards and allow the speaker diaphragm to extend farther than it normally would with the fully wooden cabinet.
You need to up the size of the passive radiators for the driver. You want to be between 1.5x-2x more SD on the passive. I've had decent results at 1.25 more but generally I try to get closer to 2x more for my subs. So for a single 10" driver I could run 2 10" passives to make it an easy 2x larger
Love the vid!!!!!Cane you please make a comparison with a 10 inch Subwoofer with and without a passive radiator...
I've always preferred sealed to ported or anything else. It doesn't matter if porting makes it louder at low frequencies. Tightly-sealed boxes always sound better to my ear... clearer without need to mess with equalizers.
sounds like a new idea for another "Short Stoney Mix" for Soundcloud.
I think if we put a slot port over the radiators on the back of the box opening at front and tune the radiators to a low frequency the result should be an all-rounder ported box.The radiators will block higher frequencies to enter the port and the spl will not be wasted while lower frequencies will be passed through port and amplified. What do you think?
Nice speakers mate
Next level hand gestures.
I would like to download that beat you made. The lows were really nice.
Try this.
On that box use a 1 1/4 PVC pipe. The larger the pipe diameter the longer the port length will have to be to have the same effect. Considering The net box volume will be .20 ft3 you dont have alot of length to work with. Use of a smaller port diameter is recommended. Longer the port length the lower the tuning frequency. Despite the FS of the speaker I usually aim for around 35hz.
I am going to assume the length will be about 9 to 10 inches to get the desired effect. Bass heads say box is everything, but port tune is the key to getting your box to sound awesome. You seem like a smart guy so may know all this already.
Or just use 1 rad per enclosure...
With bass radiator's is litle deeper bass
yes!
@@MyStonerMind420 My subwoofer say "deeper" ;D
Agree
The bass radiator is best fitted on both sides of the enclosure to reduce the overall vibration on the enclosure. also the ones you used is relatively smaller than the main driver that is why it sounds like there's no sound diff. at all or just very little diff.
I can hear you used the same beat in the outro, nice! :D
someone has ears like a bat ;)
Glad you can hear it
The attack was greatly improved, but I think I'd use more radiator to improve the lower freqs.
can u upload that song for like a bass test, that would be interesting
The bass radiators certainly add a slightly fuller sound, but on my end it sounds more mid-support. And it really is ever so slight.
The stage feels more wide with the 'after' part. AND it might not affect the lower portions so much but it might be adding more sound to mid-lows, i.e. the continuous beat sounds louder rather than the bass.
yes I think you are correct
May I please have the link to the beat you made sounds good
Fli audio had a very slight high freq. Boost after the modification I think.
In my opinion the lower the frequency (0-80hz) Ported enclosures will win hands down.
Then low to mid frequency (40 - 120hz) Passive radiators are excellent.
And last but not least are the sealed enclosures who don't get as low (usually) but have a much tighter punchy sound sound through the (50 - 150hz ish)
Just my 2p worth 👍😁
I guess its down to what you design your sub-stage to do and which configuration you're going to use. If space is at a premium, sure, go PR. If not then i think the world's your oyster.
I DO hear a 'meatier' sound in the lower frequencies. You need at least the same passive radiator area as the speaker itself though, maybe even up to two times the area to make it work really good and to take the strain off the passive radiators. Use a blown speaker as a passive radiator if you have one.. Fun experiment!
I know a radiator at least the size of the speaker is required ;)
However using a blown speaker is a great idea! I wonder if I can chop the magnet off one of the ones I've blown, and yes, I've blown one already.
@@MyStonerMind420 Do it!
It sounds tighter without but just slightly louder with the rads on my headphones so yeah. Good job
nice, tnx for letting me know
I forget to say I heard it on the higher Hz
I somehow made a ported passive radiator by tuning the radiator lower than the ported box (26hz for the radiator, 30 for the box). It has better response than two subs in the same box
I only have one small sub. An MTH-30. doesnt ho that deep but puts out good pressure.
Try more passives. I experiment with similar builds but the radiators has to total twice the area of the speaker cone area for proper results.
uh huh
I built a hybrid box , it was ported with a radiator , and it was a sort of t line design , made my knose move in and out ....
feels much deeper and full sounding on the after
hi, bass radiator dose work. its tricky when its actually tune properly. it matters the size of the encloser and the location. the speaker itself also can in impacted - mostly for those drive that are hyper that works great with bass radiator since the damping effect really smooth it out. its must be engineer tune. its not like one of those speaker where you can just slap it on and make it happen.
yes I know, this was done for the viewers. Thanks any way :)
The best sort of bass radiator is one that is identical to the speaker with power to it. Plus, square speakers aren’t really the ideal bass reflex output. It’s square so it has inherent limitations right from the start.
the video wasn't about doing it the "correct" way. There are plenty of square subwoofers about, maybe take a look.
I heard lower bass with the radiotors I have custom Bipole Speakers and a good vintage Yamaha Amp hooked up to my lappy
I reckon there is i small enough change in bass depth
Shame there isn't one large radiator to do the work for the bass.... surely you would get better flex in that manner ?
if you were to increase the cost of the speaker to then include the passive radiator cost, would that new speaker in a sealed box outperform the one with the raidiator?
good question and probably not because the radiators were pretty cheap. Also these boxes are a silly size for a 6x9. Simply increasing the box size alone would give a better bass response.
definitely has more bass but it sounds a bit loose on the first set... im listening on a tube amp and prolx5 monitors
Is passive radiator increse bass?
Can you do Frequency test
Welp it definitely looks cooler
After the mod they sound a lot brighter to me
The bass with no radiator is more flatted less depth more crispy dynamic hit unlike with radiator cabinet its smoother deeper better low frequency characteristics , i played this clip on my sound blaster katana " CINEMA" preset mode
When filming the excursion please film more from the side, like when you showed the bass radiators I think we would have seen a lot more if we got to look at them from an angle instead of from the back almost. Ty for your time
ok but the next video is already filmed, I will remember that for next time though, thanks!
thought i heard a change for the FLi's at around 50hz but not much DT 990 pro 250 ohm headphones.. but yeah its youtube quality in the end so meh.
You should test using bass radiators that have spiders to keep them linear.
Add the end of the video, you got to make like a; (Spotify or SoundCloud). That’s just good.
I feel like those might over work the speaker if its not designed to drive passive radiators.
46hz sounds better on both speakers but I think like you the port did a better job and maybe adding pollyfil
That cheese at the end is yummy
has anyone tested how much difference there is in the volume of the box with passive radiator? for example, if the volume is 3 or 5 liters?
I already knew that nothing would change.Because sealed are useful in small boxes.
The radiators go on either side spreading the depth of sound.
That would be a better idea, given what he's using
I need that song you made on ur I cloud pls
and a little difference on the high notes... or not?
I like bass port all the way coz bass when go through this ports you can hear the bass as splash in the air and deeper than passive radiators.
Can i use my extended version of you beat for a youtube blowout video?
lol no dude, that was the reason for removing that video in the first place
If you watch it closely you can see that the middle one moves against the other two. Just something I noticed.
This is called the “Passive Emitter” design. Very old type of acoustic design.
Como se llama esa musica de fondo que sale al ultimoo
The one with radiators’ bass sounds fuller/deeper.
Can I use that song?
For everyone spouting off about passive radiators please do a little homework before leaving ridiculous comments here. The cone area and moving Mass of the driver and the radiator need to be similar, then you add or remove mass from the radiator to tune it to a specific frequency. There are some other factors but this is the most basic jist of it. Since the radiators here have far less cone area and far less weight than the active driver, they will likely resonate at a much higher frequency than the fs of the active driver. Hence no measurable or audible difference in the 30-50hz range that was focused on in this test. They are basically just flopping around wasting the amplifier power and possibly allowing a bit more cone excursion since the box is no longer technically sealed.
you're the closest. the cone area of the passive needs to be larger. you can do this with multiples if needed. the displacement of the radiator needs to be 1.5 to 2 times the displacement of the driver . this is where it can be easiest actually. if you have an 8" driver with 8mm xmax then just use 2 8" passives with 8mm xmax each . the moving mass does not really need to be similar since you are going to "tune" the radiator(s) by adding weight. there are many rules and guidelines for this type of system and i am far from an expert BUT i have successfully designed and built a passive radiator sub, which judging from most of the comments, is alot more than anyone else has done.
I hear more low end on the after box every time. It hits the notes cleaner and more sustained.
Eagle ears
You can tell efficiency is slightly better which is what they should be doing
plz make a full version of the ending it sounds good on my subs
THIS
oh please no! I made that just for the ending of this video.
Cmonnnnnnnnnnnnnn pleaseeeeeeee :(
Plzzzzzzzzzzzzzzzzzzzzzzzzzzz my subs love it they want a longer version
Looks like you’re making a bass Mix soon! Do it!
I like the ending where can i get it 😃😃
Noticing more attack from the radiators, for some reason
if you use 1 8" speaker usually you need 2 8" passive radiator :D
I'm glad you know that
It's more punchier with the bass rad, but pretty much same sounding. I'm using a headphones.
how did you make this bass in FL studio ? i'm trying to get this result
a bit more bass yes.
How about re-adding a port to that Radiated box =P, so a box with bass radiators and a port O_O
A properly designed PR setup should have a very noticeable sound difference. I don't think those 6x9's have enough xmax to really benefit from passive radiators.
I don't think those rads are enough
@@MyStonerMind420 I agree and can't wait to see what you come up with next.
The bass response was different in each of the speakers.
Your bass radiator should be as large as the cutout of the carpet but you would need two to effectively make lower bass!
The radiators do let the higher frequency be more defined I think.
Just wanted to let you know I watch this video in my 2003 Lincoln Town Car it has a pretty good audio system and I can definitely hear a difference especially in the first base note easily made a difference just wanted to let you know
nice car! Cheers for the feedback 👌
To me it sounds like the bass is more open and wider
Yay
Witch one is the best.. with pasive radiator or air hole.. thank you..
Radiator
The reason its not working is because the radiators have no cones, the cone is what pushes the lower frequencies. those are flat so they can't excite the wave.
What app do you use for testing the frequencys
FL Studio not an app is a software
yeah it's not an app, it's FL Studio which is software used to make music with.
Ok thanks for letting me know!!!
How are ya
sounds practically the same, also hard to judge with the changing bass. if I have to guess, the radiators feels like producing a slightly lower bass. maybe that explains why bass radiators so popular with portable bluetooth speakers, lower bass despite compact sizes.
Where to buy that small sub im in south africa
check via google for online stores, maybe amazon or ebay will list something
the bass radiator has to be bigger in size than the speaker to the sound to be noticeable
I think you would need larger radiators to make a real difference.
En entre 90 y 120hz suena con mas cuerpo incluso mejora el reverb del sonido se siente mas definición entre 4 y 16khz
Song?
Yea there is more low end!
Is that the Sony XS-FB6930
yeah well done
it has a little more punch to it
Small radiators for increases in high-range bass. Large radiators for increases in low-range bass.
I bet those radiators made a day and night difference in the 55-80hz range.
My Stoner Mind is the best, can I please have a shout out?
I heard the kick drum better on the one with the bass radiators