Bass Radiator vs Sealed - Test (HMMM)
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- เผยแพร่เมื่อ 12 ก.ย. 2024
- 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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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 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
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
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.
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.
Back in the day over 30 years ago we had a bigger version of 6x9 but i can't remember what they were. something like 8x10 or in-between somewhere. Quite rare as they were expensive back then.
I'm thinking to make a multi purpose compact sub from 2x 6" Ground Zero's but i was wondering about adding a coupe of passives. I was thinking has anyone ever made a tuned port but with passives at the far end rather than an exit. Also Has anyone done a hybrid with port plus some passives?
With bass radiator's is litle deeper bass
yes!
@@MyStonerMind420 My subwoofer say "deeper" ;D
Agree
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!
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 :)
I haven’t seen you in ages! Good to see you again!
🤔
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...
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.
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 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.
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.
Woofer tests make my week so better, thks my stoner mind!! 😍
The difference in bass excursion is huge...
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
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.
Next level hand gestures.
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?
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
Thanks stoner keeping me entertained as always.
cheers my dude
The radiators go on either side spreading the depth of sound.
That would be a better idea, given what he's using
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.
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.
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.
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
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.
if you use 1 8" speaker usually you need 2 8" passive radiator :D
I'm glad you know that
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
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.
I can hear you used the same beat in the outro, nice! :D
someone has ears like a bat ;)
Glad you can hear it
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
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.
Love the vid!!!!!Cane you please make a comparison with a 10 inch Subwoofer with and without a passive radiator...
46hz sounds better on both speakers but I think like you the port did a better job and maybe adding pollyfil
I love ur vids keep it up
Sounds like the radiator's need more weight they are tuned a bit high....
More weight? You need more distortion?
Dude. He is using 3 tiny bass radiators for a huge 6x9. What that speaker needs, is a radiator better suited for the application (however I guess it's hard to find a PR perfectly suited for a 6x9)
That's not how it works.
@@tonys623 more surface area would help but more weight would slow down the movement of the radiators..
Yes, more weight. That's how radiators work. The more weight, the less likely they're moving at higher frequencies, and more likely resonate at lower frequencies. Glad someone with knowledge pointed that out.
Fli audio had a very slight high freq. Boost after the modification I think.
feels much deeper and full sounding on the after
Was waiting for diz
Welp it definitely looks cooler
The attack was greatly improved, but I think I'd use more radiator to improve the lower freqs.
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.
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.
Radiators are too small, maybe? Try a large single radiator and see if that does anything differently?
I already knew that nothing would change.Because sealed are useful in small boxes.
usualy a passive radiator needs to be twice the size of the driver.
I know that. Please inform the people in the comments asking me to do this little test with just 1 of these rads, lol.
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 ....
After the mod they sound a lot brighter to me
It's more punchier with the bass rad, but pretty much same sounding. I'm using a headphones.
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!
The bass radiator has to be larger than the driver. Especially if the radiator excursion is so limited like it is on those tiny things.
indeed well done
I only have one small sub. An MTH-30. doesnt ho that deep but puts out good pressure.
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!
At the higher base notes there was more difference than at the lower frequencys, witch tells us that the bass radiators are tuned to high.
Try to add 2 X 15 gram washers to the inside of each base radiator and try it again.
If that doesn't help doable the amount of washers.
and a quick question. are the bass radiators at there exursion limits ?
@@Kolfonik No it doesn't matter on witch side they are it just looks cleaner if there not visible from the outside.
You an even bolt them trug the middle plate if you like
I replied to a similar comment already, but the next video has already been made.
Spare some change?
@@MyStonerMind420 did it work out great or not ?
@@creative_stwb1336 you want me to spoil the surprise? Enjoy the foreplay, man.
@@MyStonerMind420jear your right. I am just to exited about your way of takeling things like this
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 ?
Radiators are way to small to make really any audible difference.
To work properly you need twice the cone size, Or even bigger.
I'm glad you know that, well done.
@@MyStonerMind420 ty. I know its just an experiment. But im sure there was a tiny boost in the higher frequency range.
Your bass radiator should be as large as the cutout of the carpet but you would need two to effectively make lower bass!
Nice speakers mate
I hear more low end on the after box every time. It hits the notes cleaner and more sustained.
Eagle ears
Is passive radiator increse bass?
En entre 90 y 120hz suena con mas cuerpo incluso mejora el reverb del sonido se siente mas definición entre 4 y 16khz
If you watch it closely you can see that the middle one moves against the other two. Just something I noticed.
You can tell efficiency is slightly better which is what they should be doing
You need radiators, 2x bigger than the chassis
indeed, well done
That cheese at the end is yummy
I feel like those might over work the speaker if its not designed to drive passive radiators.
The higher notes are very little louder in the passive radiator box.the lows are pretty much the same
I’m wearing Bose headphones so NO COMPLAINTS People
But the fli audio speakers are capable of creating a little amount of low bass in both sealed and with passive radiator box
Compared to the Sonys
Because bose is good haha.
No but seriously, I have studio monitors, bose are not that, especially active cancellation ones
@@nerfinator03no they aren't noise cancelling they are some old models but sound v.good and they are the only working pair I have
@@jedithusnbixby2108 "the only working pair" - I hope that's not a complaint :)
and a little difference on the high notes... or not?
definitely has more bass but it sounds a bit loose on the first set... im listening on a tube amp and prolx5 monitors
small passive radiators wont do anything, you need to put in a single large one for it to make a difference
glad you know that
I need that song you made on ur I cloud pls
Yea there is more low end!
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 👌
Like the one after has very slight heavier bass
Psychoacoustics
May I please have the link to the beat you made sounds good
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!!!
I heard the kick drum better on the one with the bass radiators
This is called the “Passive Emitter” design. Very old type of acoustic design.
High as a bird
that's the way to do it
I would like to download that beat you made. The lows were really nice.
the bass radiator has to be bigger in size than the speaker to the sound to be noticeable
The radiators do let the higher frequency be more defined I think.
To me it sounds like the bass is more open and wider
Can I use that song?
Can you do Frequency test
can u upload that song for like a bass test, that would be interesting
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.
Passive radiators are not there to increase box size. They are resonators that will not have any positive effect on the sound without proper calculations.
how could they possibly increase box size??????????????? he said its just a mess around video u turnip. insted of adding port, this will lower tuning withouth increase box size he say
@@frankyg2267 description?
someone is misreading what I typed in the description. Increase a boxes size with passive radiators?! LOL! DUDE
@@MyStonerMind420 i am not nativ englisch speaker but i understand descr and try say to WEST (:
@@MyStonerMind420
Oh, I see now, lol. Thing is I actually hear that claim pretty often, people think putting in PRs in is like putting drivers in a larger box because it allows them to "move more freely".
How are ya
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
How about re-adding a port to that Radiated box =P, so a box with bass radiators and a port O_O
its more musical with them ... than without them. try adding some weight to them
see the next video
Sounds a bit looser with the rads (listening on 15" Tannoy i15)
The speaker with the radiators is definately punchier and deeper
More deep bass on radiator
Noticing more attack from the radiators, for some reason