The Performer Posted March 20, 2009 Report Share Posted March 20, 2009 I'm not bashing you, it's just like you never do research. You can buy plywood that will work, but you would be better off just using MDF or possibly oak, birch also as Eric said. I have no experience with plywood but it's generally pretty weak. It's up to you you aren't running much power so use whatever you want.In all fun I'm gonna come in and say maybe you should get experience to add with your research my friend! Just poking fun at you two. You're right, plywood does generally get a bad reputation if it's the wrong style of ply. Generic ply only has like 5 layers, which is what causes it to break, as well as it's got knot holes and similar things you want to avoid, where as birch ply is alot more reliable and in many cases even preferred over MDF because of it's strength. You can get a little more strength with less overall thickness of birch ply, than as the equivalent of MDF overall thickness. So to answer the OP question, the right style of ply is good, and it really depends on what you're using it for. If you're making sub rings for a fiberglass enclosure, you would just be wasting money to use birch, because in that instance, both materials will do equally fine. However in other cases, using a sheet of 3/4 birch for a large baffle of a box, vs. 3/4 MDF, you would be able to do a little better with the birch. Any variety of particle board is ALWAYS a no-no. CERTIFIED BITCHES!!! Not being new at something doesn't mean anything. Just because a prostitute isn't new at what she does, doesn't change the fact that she still 'sucks' Click to see my build! Proud DC owner Link to comment Share on other sites More sharing options...
SubSonic Posted March 20, 2009 Report Share Posted March 20, 2009 Some plywood is okay, but plywood often flex's unless u stack up pieces, and can fall apart from the inside, MDF wood is used for the sole purpose of it being so dense, and absorbs vibrations and releases it rather then plywood taking it by matter of beating!! Also if u didnt no, MDF = Medium Density Fibreboard Re Audio Diamond Audio Alpine Audio Rocksford Fosgate DB Link Link to comment Share on other sites More sharing options...
raytard Posted March 21, 2009 Report Share Posted March 21, 2009 from experience, and by experience i mean dumbass friends building plywood boxes it has a tendency to split at seams, like where the baffle hits the edges, the glue is only between the edge of one piece and the first layer of the other, it has a tendency to like pull apart also, the screws for the subs pulled through a lot, like all the friggin time not to mention the plywood they used flexed alot more than mdf but never use ldf/particle board, that stuff just splinters apart Build: http://www.stevemeadedesigns.com/board/ind...hl=avalon+build monster/rockford/kicker/stinger cables, pioneer source, jbl highs/amps, kinetik/shuriken batts, iraggi alt, dei security, dc subs(atleast for now) Team DC Link to comment Share on other sites More sharing options...
justin smith Posted March 21, 2009 Report Share Posted March 21, 2009 osb= bad news birch & oak plywood, mdf= good stuff justin smith 1996 mercury grand marquis 20'' bentchi b7 lexani n3000 245/35/20 cactus 5kw at 1ohm dcr(beast) 2 18'' btl's in a 14.15^ft wall tuned to 35hz with 210'' of port kicker zx650.4 componets in still the works 200amp motorcraft alt xs power d3100 (beast) kenwood ddx512 h.u. you mean my EX? the one I dumped? just remember every time you kiss her that i used to cum in her mouth and BTW your girl just called me.... pure pwnage Link to comment Share on other sites More sharing options...
DHFHades Posted March 21, 2009 Report Share Posted March 21, 2009 osb= bad news birch & oak plywood, mdf= good stuff x2 1990 Jeep Cherokee 4X4 Pioneer DEH-P2900MP, Big 3 done in 1/0, 1 run 1/0 ran to amp DAT HF1000.1 #007 powering a DC lvl4 15 DAT HR 4085 prototype powering 2 Selenium 6s and 2 no name tweeters running active 1st place in AS3 @ Surf City Sound Off, 140.8 @ 45hz @ the headrest. rebuild coming soon to get a better score "I regard the brain as a computer which will stop working when its components fail. There is no heaven of afterlife for broken down computers; that is a fairy story for people who are afraid of the dark." Link to comment Share on other sites More sharing options...
808homegrown Posted July 14, 2009 Report Share Posted July 14, 2009 birch ply is stronger that mdf. each layer is glued in an opposite direction layer by layer. mdf is pressed dust with glue. and ply is better for your lungs. it also doesnt split if you predrill. Link to comment Share on other sites More sharing options...
Fizzle Nog Posted July 14, 2009 Report Share Posted July 14, 2009 HDF, high density fibreboard better than MDF. Although MDF isn't a bad choice. Plywood will be really loud, but will not sound clean at ALL. Link to comment Share on other sites More sharing options...
Neel Posted July 14, 2009 Report Share Posted July 14, 2009 The general idea is to find a material that will have the least amount of resonance. And usually the material with the highest density will have the least resonance, get the strongest and most dense wood you can get your hands on and call it a day. Too Much Stuff to list . Link to comment Share on other sites More sharing options...
Jville140db Posted July 14, 2009 Report Share Posted July 14, 2009 the reason most people use mdf is cost mdf is way cheaper than birch and if you brace the enclosure properly either will do fine. and as far as the screws go that is a terrible idea you must predrill every hole and the reason most properly built boxes use brad nails and clamps is because after your glue and sealant cure you do not need them it is only to hold the wood together until it dries. Now with that being said i have a box in my garage that was hitting in the 150's and it is only mdf, brad nails, 2x4 bracing that is wood screws that are pre-drilled, and liquid nail sealed been together for a year in use and sitting in my garage for 4 months looks new you would need a sledge hammer and sometime to break this box. Car is 2010 Scion Tc Currently in car Deck- Sony XAV-60 in-dash mobile video system Speakers- Rockford Punch 6.5in comps in the front and coax in the rear Subs- 2 Gen 3 Rockford P3 12's dual 4 ohm Amps- Rockford P1000-1bd and P400-4 Alpine Mrp-f300 is in for P400-4 which is out to service Wiring- all rockford nuff said Enclosure- Dual 12in custom box by SRQ Battery- Optima Yellow top with big 3 done Sound Damping- All Dynamat products 1-2 layers throughout with liner on top Link to my build log- http://down4sound.co...=newpost&t=5275 Link to my youtube- http://www.youtube.c...ser/Jville140db MECP Advanced CEA # 110531 BassBox 6 Pro for Box Building/Re audio box calculator If you can hear the passenger it aint loud enough!!!!!!! QUOTE (MickyMcD @ Sep 25 2009, 07:25 PM) "My system has 30 speaker terminals, that means shits wanging doggggg....."<!--QuoteEnd--></div> Link to comment Share on other sites More sharing options...
Eric B Posted July 14, 2009 Report Share Posted July 14, 2009 HDF, high density fibreboard better than MDF. Although MDF isn't a bad choice. Plywood will be really loud, but will not sound clean at ALL. i beg to differ... 2007 Chevy HHR LT UNDER CONSTRUCTION 1st Place Loud N Low 2010 MWSPL Finals 3rd Place Xtreme 3 2010 MWSPL Finals Link to comment Share on other sites More sharing options...
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