Exciter foam speaker test 2

[@mcaddc]

Split the large panel into 2, round off the edges, stick ONE exciter on each panel, as indicated below, at the 2/5th & 3/5th position. Suspend each panel up high from the ceiling on string. Better yet, have a good watch of "Tech Ingredients" channel to see how to correctly build these. They can be used in conjunction with other types of speakers to produce a full range sound.

[@rdkater]

kzbin.info/www/bejne/npKuoICFnrSkntE the solution en i will put a 10Kg steel frame around en a wooden foot +- 4cm.wide /65/40cm

[@_trismegistus]

2/5 is the same as 3/5 for these purposes. The recommendation is just 2/5 from the edges in both x and y axes. 3/5 from the edges would also work, same difference for a square/rectangle, just comes from the opposite side.

[@robertweekes5783]

Yeah people keep saying 2/5 and 3/5 as if it’s not the same thing just flipped over, lol 😆 I don’t think there’s anything magic about 2/5, you just don’t wanna put the exciter exactly in the middle (I would put it off by 3-4”)

[@simpsimpson5175]

​@@robertweekes5783 an exciter can be used in the middle of a small sheet of ply stuck to a large canvas in frame.. then round thin metal discs are attached .. basically extending the DML theory to other materials for full spectrum sound.. the discs like a DVD are used for high frequency

[@rewris]

Yeah man. It doesn't matter 3/5ths, 6/10ths, aluminum, drywall, EPS, corning or Owens... None of that matters. These things do not sound good under any circumstances no matter what that dude on tech ingredients said. He did a great job starting a little viral wave with that video but it's nonsense and these things simply will not ever not sound extremely forward and tinny. Using larger dimensions nor rounding the corners to any radius will make them sound even close to decent. This is just nonsense.

[@funshootin1]

Isolate the panel... Hang it.. 1 exciter per panel. Round all edges All corners. You're almost there... They can be amazing if you set them up right. Give it another try

[@_trismegistus]

What benefit does rounding the corners have?

[@lio1234234]

@@_trismegistus The corners act as points off diffraction causing weird response anomalies so the smoother/rounder the surface the better

[@michaelc3977]

Like watching a bewildered baby

[@ivanmarconetti4029]

see tech ingredients chanel, he explain how to do the best of this speakers

[@erik61801]

are those two running in mono? hopefully. and they should be off center so like in a 12x12" area its coordinates should be 3" x 5"

[@mrMankx]

How to make the "do not recomend channel" button wok?bb

[@Steve_Just_Steve]

I don't think you're supposed to use 2 exciters on one panel...Just one at the 2/5th 3/5th position.

[@LOOTS243]

Wrong lol

[@LOOTS243]

You can split the panel up in 5 for x and y position, and get mounting points if you need more than one

[@funshootin1]

Dayton Audio has a section on placement and doing multiple exciters on one panel whats the best formula for the location. . Heres the basic jist 3 x 5 is your ideal panel ratio. . So 3 ft by 5 ft..or 21 inch by 35 inch ...18x30 ...you get the idea 2/5th and 3/5ths is your coordinate to mount the exciters. ..2 fifths up from bottom of the panel make a horizontal line across the panel. .. 3 fifths over from one side edge make a vertical line intersect the horizontal and the x or cross in this case mark the spot... I've tried various versions of this basic idea and even reversing the formulas didn't have a great detrimental effect on sound but it is best when in that sweet spot that they recommend. regarding the speaker wires going to the exciters , you want to minimize the effect of the wires on panels freedom of movement especially fore /aft ... the exciters going to be hopping around making the entire panel vibrate and if wires are touching the panel or flopping around back there or just too stiff and thick it will turn a perfectly good panel into this buzzing distorted waste of time and money you wouldn't piss on to put it out if it was on fire ...try hanging the slack behind on the wall and leave it a long u shape .... or maybe a little curly fry type treatment to provide a flexible section of wire right off the exciters. . Lighter guage softer slicone insulated stuff is ideal. .. but I've tried shielded grounded 18/2 thats stiffer than cosbys roofie coladas ... tried cheap speaker wire and as long as the panel is not restricted your good to go. Ive tried several materials (see (tech ingredients) " diy foam speakers" 2 videos on KZbin. .. one has a ton of information and serious science type explanations for the how's n why's. ..the other video has even more data, plus sound analysis and enough high science that your eyes will roll over white and glaze up from the cerebral edema. .. all my information is from watching the 2 vids that the youtube channel " tech ingredients " put together to showcase the audio exciter concept...which I only found because AvE channel mentioned it , I have also read everything I could find as far as Googling any manufacturer suggestion...product tech sheets, user guide and handful of articles on the subject plus every review of them on amazon just to see ... my successful results are from the information others much smarter than me have put out for all to see. .. So, pink polystyrene foamular 150 insulation board available at home centers ( 4x8 sheets for 15 to 25 bucks depending on the thickness) I have had my best results with dayton 4 leg mega bass 32mm exciters using the 1/2 inch thick type, using 2 big 31 x 48 panels with large radius (paper plate as a template for the corner radii ) and because i used a razor knife to cut it theres always little slivers that vibrate on the edges I took silicone caulk and brushed it onto the perimeter in a thin coating just at the edge. .. and a 6 inch circle around the exciter mount point .. the silicone caulk was just an experiment. . Also a handy super flexible adhesive stand in that was nearby after running out of super 77 spray contact adhesive .. tried it. . Liked the results. . The 1 inch thick foamular was good but didn't produce as good lows with the Dayton 25 watt 3 leg exciters but it may with the 40 watt exciters .. I played with tuning the panels by thinning the middle giving it a soft hourglass / acoustic guitar type shape and felt like there was definitely improvement and something there worth exploring more I've had excellent success with the 25 watt 3 leg exciters using heavy corrugated cardboards ...tomato boxes or other thicker beefy corrugated boxes will sound great. ..flatscreen tv boxes kick ass , waxed or plastic coated cardboard like produce boxes .... cut out 2 flat panels, round corners .. poke holes in top corners and hang from ceiling with some thin string... or better yet rubber bands to isolate the panels then tie string to the rubber band and hang Another killer sounding speaker material is coroplast board. ..its a corrugated flexible plastic board used for everything from lining your gerbils cage to making custom signs. .. same rules as far as sizes and treatment as the other materials

[@rkaag99]

@@funshootin1 Nice write-up! I just watched tech ingedients and want to try this. What do you think of using (very carefully) a heat gun on the foam board to create a stiffening effect to bring out the lower freqs? (perhaps long lines top-to-bottom a few inches wide)

[@thesupergamermario3701]

Im sorry im horrible with math. If i have a single 4x8 panel. Where do i put the two exciters?

[@illygah]

Is that EXPANDED polystyrene? Using cardboard would probably sound better.

[@lio1234234]

It actually isn’t. The engineering behind it is quite interesting, the biggest factors are the shape of the board, it’s rigidity, it’s size and where the exciters are positioned. This is the worst implementation I’ve seen yet!

[@thunderofgr]

Did you ever get this board improved or changed?

[@AshyIsMe]

No my B&Ws make these redundant. I think with a separate cheap sub this would be totally usable.

[@klausperner8458]

you should read more about this before using it in a yt and say it is not good.

[@lucianolizana446]

Just one exciter per board, dude, in a a correct position

[@arande3]

Odesza is enough to satisfy me don't worry 😂

[@scottbehl216]

Watch more videos on the subject !

[@NerdForMario]

Can u make a video Adding weights to the exciters? I want to see if adding more mass to the driver causes the foam board to physically travel more thus creating louder sounds. Because I would assume a lot of energy is lost into moving the little but heavy drivers vs trying to translate the foam board which has little mass but greater air resistance to movement. ? Next video idea 😉

[@thumper300zx]

The follow-up is almost as bad as the original. You aren't even trying. This feels like when you do tech support, ask someone to try a bunch of things and they just whine and say "it isn't working" without actually trying what you suggest. F for effort.

[@webflys]

You still have no clue what you're doing.

[@erebel2009]

His intentions were to boast about the fact that he has the money to buy expensive equipment and that we are just peons. But, peons are beautiful.😃

[@erebel2009]

What I really see is the fact that his equipment is in great disarray and is laying scattered about and he doesn't give a crap about it either. Sad man just, sad.