How to Make a Subwoofer with PVC Pipe

I show you in the video how to make a subwoofer out of pvc pipes, it sounds great and looks so cool, hope you like it

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[BlackBullPistol]

5:04 no way the original wooden design sounds this bad and 5:11 acrylic this good. The boxes are made out of wooden material for a reason not just aesthetics. Sure with a long pipe you will get some low frequencies but overall sound will be crap because of the high resonance properties of the acrylic.

[pausebreakreviews]

"Thinking quickly, Dave constructs a subwoofer out of an acrylic box, PVC pipes, and a subwoofer."

[savvasafantenos]

1)Quick physics.. surface of the woofer cone, max over all travel, max volume of air need to come out without disturbing the cone to move freely=>diameter of the bass reflex
2)quick acoustic physics .. frequences to achive, shape of the woofer cone, volume of the box and shape, for those waves to bounse without canceling each other or make crossrelation to the mounting walls
3) acoustic canceling frequnces... material of the box, diameter of the bass reflex, length of that tube and also distance from
a) back wall reflecting the main waves (if back) b) second reflecting waves (if in front) c) sideways in some cases to hard to explain here.
Conclusion??? Nice project to spend time ... better subwoofer? NOT AT ALL !! WHAT HE ACHIVED ? THE SAME AS YOU PUT YOUR HAND IN FRONT OF A TWEETER AND LISTEN THE LOWEST FREQ POSIBLE

[dungeonlair]

Not sure if it sounds better, but it looks cool. It's like a work of art.

[Bassotronics]

I use this same design in my car and I love it. It’s my favorite design for playing anything below 25Hz with just one subwoofer. It’s sort of like a T-line. The difference here is that my subwoofer is in a huge tube and the pvc inside it.
Tube is king when it comes to rigidity. No bracing needed.
I wish I could find somebody who can spiral my 4” PVC tube. It’s not easy without making a kink mess.

[no_bull]

Another good idea is to swap the stock subwoofer driver with a better more efficient unit and perform a bass reflex port tuning make it longer to an extent and that's all in the original wooden cabinet. It would have been a far better experience.

[theredmonkey]

So hearing the sound it’s probably worse than what it was in the stock box, way too long of a runner even tho it’s interesting to see, the size of the internal area or the compression area would be a good size without all the pipe in the way and plexiglass that thin flexes fairly easily but putting all this info together it probably hits in the lower end of the base spectrum like in one specific frequency extremely well and then above and below that one small frequency range sounds terrible. like a lack of control everywhere except in one range.

[fido]

WOOD, is still the best speaker enclosure material to this very day.

[flowshine]

Ladies, ladies...I just happen to have a degree in unnecessarily long, blue pvc pipe, speaker box porting from the very prestigious online University that rarely attended...I'm actually a doctor in the field now they say, no big deal, but enough about me. This, my small brained friends, is quite possibly the single greatest sounding DIY, unnecessarily long, blue PVC ported, acrylic box speaker ever made!! Of course to the untrained ear I'm sure it sounds worse than the speaker on a.1980s Texas Instruments Speak n Spell but to me and my highly trained "golden ear" if you will, this puts 99% of the high end audiophile mumbo-jumbo to shame! Thank you sir, this makes every penny spent on my higher education worth it!
👂🔫

[АлексПетров-йк]

Сделано интересно, но орг стекло всегда хуже дерева, и оно должно быть толще 15-20 мм.Тогда не будет резонансов. А тут весь ящик вибрирует и длинна трубы не поможет никак!

[carlosalvarez]

No se el sonido, pero el sub es una obra de arte ! felicitaciones

[LAOBASS]

it's nice that he has the time and money to play with the pipes. I did fix a real broken subwoofer with a bigger homemode plywood box and it did improve the bass a lot. Another quick fix is to put the speaker in a pail

[appdev]

The difference in mentality and level of knowledge:
Most comments from the CIS: criticism of the lack of calculations for the length of the portal, incorrect wall thickness and choice of materials.
Most from other countries: Awesome design! Amazing!

[diegofraschetti]

no creo que cambie mucho con el pvc mas el policarbonato, el sonido mejora con materiales semiblandos, como la madera que esta super provada, pero bueno, desde el lado artisco y en lo personal del creador me parece muy lindo, seguro lo va mejorar con iluminacion y algo mas!!, un abrazoo!!, te dejo mi like

[richardbriansmith]

Awesome speaker creation AWESOME Video

[produccionesembasa]

el audio esta alterado, cuando cambias para la comparación bajas los graves en el original y los subes en el que creaste, te lo digo porque en mis audífonos de estudio se notan mucho esos cambios tan repentinos de audio, aparte, la caja que creaste tiene el tubo demasiado largo y con una caja realmente pequeña, aparte el acrílico no tiene buena acústica y no creo que aguante las vibraciones, la verdad sonaba mejor originalmente, siempre va a sonar mejor el original porque fue hecho con profesionales a la medida y resonancia adecuada para el subwoofer, puede ser que ese este a una de 60hz a 30hz, pero aun así, buen trabajo, de ahí se aprende 👍

[juango]

Amazing project, thanks for sharing, greetings from Colombia!

[КетцальКоатль-ец]

Вытащи динамик, насыпь на диффузор горсть риса.С телефона включи генератор, найди частоту, на которой рис будет почти не прыгать.Потом 343 подели на это число, а потом подели на 4.Сделай длину синей трубы полученным числом.Увидишь значительные улучшения)

[rjw]

this is magnificent, just the fab techniques are worth watching

[purebloodnovacks]

"why are you tearing that subwoofer apart?"

"To make a subwoofer"

Makes sense 🤷‍♂️