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That's what I was thinking :)

Thank you. They're a lot of fun to make.

That't a 1 inch radius roundover bit with a 1/2 inch shank.

​@@righteousbuilds3576 Dang, my router is 3/8 shaft. I was thinking of having a solid piece of wood machined on a lathe to create a larger flare and then insert that piece of wood into my enclosure. Would look cool.

You say it's tuned to 18hz? 6 x 4" ports is about 75 sq.in. of port. How big is that enclosure? At least 8 cu ft? Maybe I'm underestimating it's size. So maybe your using 8 or 9 sq in of port per cube? Maybe 7?

The port tuning is exactly 18 hz. With 15 cubic feet, you can get away with shorter ports.

​@righteousbuilds3576 Wow, that's 5 sq in per cube. As long as your not getting any chuffing or port noise at high volume I suppose it's fine.

Thank you. That's very kind of you to say. I usually do a unit on sinusoidal waves (sound waves) and my subwoofers play a big part there :).

@ that alone would have me looking forward to what’s coming the next day. Keeping an eye out for the next vid in the series, hope all is well.

@@lilmez34 They all look forward to "sound wave" day :). Thanks for the kind words. They are much appreciated.

Nice. Yeah, I think it will do just what I want it to.

With big slow sound waves, resonant frequencies are easy to keep in check. As long as they are well above or well below the frequencies that it plays at, you're okay. With the 1 inch baltic birch, you need to brace about every 16 inches if its a big build, but with sides that are only 20 inches, I'm not too worried about it. It will also be pretty heavily damped. But if there is an issue during testing, I'll unload the enclosure and add some bracing.

Lol. I'm a teacher, I can deal with cringe. Thanks for the comment.

Great question. Once I got bitten by the "sub bug" I started absorbing every bit of info I could get and just started building subs. I learned through a few less-than perfect builds what works and what reduces output. Long story short, I don't use any programs. I just design it in my head, do a quick hand drawing or two, and start building. I either just do the math or use an online calculator to determine port length and tuning.

I'll think about it. Thanks for the comment :)

Thank you. Much appreciated

Dayton audio includes 7 discs for each passive radiator. They're just really big heavy gauge washers.

@@righteousbuilds3576 but the weight of the washer will have a direct impact on the on the performace , any way you can weigh them?

@@kawicepticon8866 lemme see what I can find out. I don't have a very sensitive scale. I'll do some research.

@@kawicepticon8866 Okay, just found it. Each disc is 75 grams.

@@righteousbuilds3576 Thank you a ton for finding this for me

Sure. It's 42x22x22. It's not the biggest sub I own, but she's a big girl.

@@righteousbuilds3576 thnx so much, now i gotta use my math to calculate this to cm (netherlands) haha, and port lenght? like to get low also.

@@markexel 1 inch = 2.54 cm :)

@@righteousbuilds3576 already figured it out, got some calculating to do sizewise since im gonna put two oldskool 15inch xplods in it i have laying around. see what i can come up with. Looking forward to next video. Thnx again.

@@markexel I wish you the best of luck on your project. Let me know if you have any questions.

I haven't tried one of those yet. I'll have to put it on the list.

@@righteousbuilds3576 I highly recommend it, although it may need some work to model it. Luckily a free tool called hornresp is available and judging from my measurements it can quite accurately predict the response.

Then you've come to the right place, my friend. :)

Best Viewer ever :)

At least the kids had a fun ride :)

Yeah, where did that little kid come from anyway? :)

Thank you. It's a lot of fun to put those together

Agreed. That drivers just keeps on proving itself.

Fs is known as the resonant frequency (the frequency that the driver/passive radiator is the most comfortable vibrating at). Adding weight lowers that resonant frequency.

I"m glad to have you on board. Welcome.

Yes, I agree. I'm building a properly sized ported enclosure now, but Im not done with the PR's just yet :).

That is exactly right. That song has shaken things up all over my house many times :). Can I play it without copyright issues?

@ That track’s bass can sure do chaos with the right system that’s for sure. Considering that there’s many people in TH-cam using this track, I don’t think a copyright should be an issue. But probably those people are not getting any profit from the videos due to a TH-cam copyright claim so just check to see if you can use it or not because I’m not sure.

@@Bassotronics It's worth a shot and my channel isn't quite monetized yet anyway. Lol.

That's awesome. Yeah, I was very surprised at what those little 10's can do.

Very nice. Might as well put it to work.

If you guessed "Bass I love you", you would be correct :).

I wish I would have filmed it. It was a spectacular failure. :)

He sure did. :)

@@righteousbuilds3576 🖤

Very true. I thought I was leaving plenty of headroom since the driver was rated at 20mm of xmax and the PRs were rated at 30, but it turns out that driver is actually a freak. lol.

A man's gotta do what a man's gotta do :).

Thank you. That's much appreciated.

Agreed. Yeah, I'm gonna do a rebuild on that box.

You already got another set but the passives radiator should have just as much excursion if not more then the subwoofer being used . I'm pretty sure those passive don't have as much travel then the b2.audio i suggest the earth quake passive radiator would be alot better option there also a lot slimer. Just afyi😉🫡💯✌️

There's only one way to find out if it works:). Just make sure that your PR's can handle the excursion from your 10's. You don't want to pop them like I did to mine.

Check out the short that I posted. It has a nice sound test for that sub. I appreciate the comment.

@righteousbuilds3576 will do

Talk to FPSzky, who also commented on this video. He makes tracks like that.

hi, the track is called FPSzky - Singularity (Bass Edit), you can find it in youtube.

Yeah, it makes it so easy to tune and still looks and sounds very high end :)