Folded Horn Subwoofer Assembly

[@lunam7249]

OMG!!! Congratulations!! The first non commercial bass horn that’s actually designed correctly!!!!you should be very proud!!

[@joe070907080706]

Is this not a bill fitzmaurice design? tuba 60

[@waylonk2453]

2:55 that's right, keep the damn thing in place! Your unique design looks amazing

[@l.b.stringfellow2413]

How does is sound ? Any measurements by chance. Great job !!

[@mahatma_manett]

Mica project, I built a home subwoofer in a very close design I developed by myself in 2018. I Used two Audax HM170CO. The subwoofer is 40 cm 50 cm x 70 cm and has to be placed 20 cm out of a corner to be completely a corner horn. Nice video about the building process :-)

[@jjzamo]

nice! how did you design? hornresp?

[@mahatma_manett]

@@jjzamo Thank you. No, I designed it with AJHorn. That worked very well 👍

[@jjzamo]

@@mahatma_manett good find - thanks for the tip. you gotta get a video up of your sub in action

[@mahatma_manett]

@@jjzamo Unfortunately I only have photos of the building process and as it is being installed with its wall mounted satellites. Configured with the SEAS 18TV2 coaxes.

[@williamweiss6128]

Nice!! Needed to hear it, though.

[@PumpkinCatOMG]

Wow! How did you do that, your so good! Keep up the good work!

[@MaucTopa]

Good job ,keep it up!

[@arvinramos3341]

is this BFM design?

[@jjzamo]

yep, this is the tuba 60 "slim" version at 15" wide with eminence lab 12 driver

[@taherdawood8879]

Nice!

[@ghozali91]

Cek sound ,sound testing

[@jesusfloresjuarez6739]

Frec response. Please

[@joshujah]

nice !

[@user-uritan134]

Очень круто

[@matursuwun942]

can i have the size scheme for 15 inch speaker?

[@jimmcclung9067]

Plywood?, shouldn’t it be high density MDF? Less chance of cabinet resonance due to voids in the plywood.

[@jjzamo]

i think mdf on a cabinet this size would have made it too heavy for me but i am interested in an A/B test when i make more. I made sure to get void free plywood and while cutting it down to pieces it seemed to be true to what was advertised

[@bwtaudio]

No, there's several reasons not to use MDF for P.A. systems. MDF doesn't hold up very well to constantly being moved around and can fall apart with moisture. It's also extremely heavy, especially in a design such as this. Acoustically cabinet resonance in a horn loaded design is not as crucial to the sound because of the way it transforms electrical energy to acoustic energy. Most professional sound system cabinets are built out of Baltic Birch which has excellent build qualities. Also, notice how well braced this design is. All of the panel resonances are well above the passband.

[@bwtaudio]

@@jjzamo BB ply is the way to go but it's pretty expensive and hard to find right now. But I'm sure you know that....

[@KEVIN-eg6ld]

Hey man, How about some sound on the video? And how about a sound review when the box is completed? I waited 10 whole minutes expecting a review.

[@jjzamo]

Hey that's fair, I just threw this together for the folks I was building these for and never expected the video to gain any traction. These are bill fitzmaurice tuba-60's, 15" wide with eminence lab 12 drivers. We've built 16 of these to date so it's safe to say we love them. you can run 4 of them off a QSC PLX3102 amp. They are a bit boomy above 100hz, 80-100hz has been the preferred crossover area. We roll them off around 30hz to protect the drivers and they confidently hit down there. the horn is close to 12 ft so your drive rack needs a big time delay range. even if I posted sound it just wouldn't translate well. But one or two of these subs can crush my 2 car garage and would be more than enough for a little club. hope that helps have a good one

[@gustavoramirez-rangel5773]

@@jjzamo Use the Crown K2 amp. you will get much better results. No kidding.

[@bwtaudio]

@@jjzamo This came up as a random suggestion in my feed. It might be good to give some love to BFM in the title. There's nothing wrong with T60s. From personal experience I can tell you they hold their own in sound quality to any of the other big names.

[@jjzamo]

@@bwtaudio hey i agree, i tried to change the title of the video once it gained some traction but my youtube creator studio seems like it's not fully functional with my browser. i really had just made this video for fun for the folks i was building these cabinets for, never expected anyone else to tune in

[@heyimclancy]

@@jjzamo hey you mentioned you were building them for people, out of curiosity, what did you charge them per box (not including materials)

[@imi2959]

Test??? :)

[@flashero]

HI!, how are you, is this the T60 15" Wide?

[@jjzamo]

good eye, yes it is

[@flashero]

@@jjzamo :), how they perform?, I'm building 4, 2 20" Lab12 and 2 27" Lab15

[@jjzamo]

@@flashero they're great! it's a mobile setup so the single wide makes it easier to move. would love to hear some with the lab15

[@flashero]

@@jjzamo Nice, how much people you cover outdoors?, I waiting to finish the build and test and meausure them.

[@muhammadnasrulhuda6767]

😀👍 30hz-120hz???

[@jjzamo]

I usually cutoff between 80-100 on these. they're a little boomy at 120

[@thomasschafer7268]

Is the wood toxic? All the stuff for buildind a speaker. Hahaha.

[@garbagemanify]

Remember- you can't shrink sound waves..

[@ahnenpost5237]

you can: happens in hydrogen- or helium-atmosphere and even when apllying damping material (about 10%).

[@gustavoramirez-rangel5773]

You are very fast.

[@SOUNDKU]

like

[@kevonmanuel]

Changing the driver looks like it will be a pain in the backside.

[@jjzamo]

with access panels on both sides it's not too bad, about a 5 minute job with a ratchet. with only one access panel though it's a nightmare

[@thomasschafer7268]

What's wrong. Kopfhörer. Handschuhe. Schutzmaske.

[@SOUNDKU]

im nice

[@spongebo8250]

I Give it a Dislike cuz You didn't show us how it sounds like

[@mahatma_manett]

I gave you a dislike. “Show how it sounds”. First: Ears cannot hear! Second: If you ment a recorded test, unnecessary on KZbin, don’t you think?

[@spongebo8250]

@@mahatma_manett calm down Its a Sarcasm