I have been an installer, [car audio] for over 30 years, and was installing "subs" in cars before there were "subs" for cars, for that matter before there were amps for cars, [we had a very talented repair tech at our shop] but back to the point, it didn't take me long to understand a few things about making bass, wood is the best box material, the denser the wood the better, the more airtight the box the better, [that goes double for vented boxs] I have used softwood, hardwood, plywood and other materials, [plexiglas, metal and others] to build box's and have found MDF to be the most cost effective and convenient "wood" to use for box's, I knew nothing about MDF or even if it was around way back then, I didn't start using it till about 15 years ago, although "partical board" was around and I had used it.
Back to the issue, although MDF has a lot of advantages over other materials, airtightness is not one of them, even 1" MDF is porous and I "paint" the inside of all the sub cabinets I build with fiberglass resin, I also run a bead of silicon along every seam and also will make sure speaker has an airtight seal by cutting mounting hole to the proper size, using a gasget and/or routering the outside diam. of the speaker into the MDF a little, [just enough to remove the much harder surface of the MDF]
all of these things are done to make sure the box is sealed, not sealing the inside of a box will make for a less then perfect speaker cabinet
This is my first post at this site, and after reading a lot of other posts here I understand there are going to be some changes, I do not understand what the changes are, I am not computer literate, I also can't spell worth a damn, and can not find the "spell check" that I find on other sites, like www.honda-tech.com it would make posting here a lot easier for me.
Back to the issue, although MDF has a lot of advantages over other materials, airtightness is not one of them, even 1" MDF is porous and I "paint" the inside of all the sub cabinets I build with fiberglass resin, I also run a bead of silicon along every seam and also will make sure speaker has an airtight seal by cutting mounting hole to the proper size, using a gasget and/or routering the outside diam. of the speaker into the MDF a little, [just enough to remove the much harder surface of the MDF]
all of these things are done to make sure the box is sealed, not sealing the inside of a box will make for a less then perfect speaker cabinet
This is my first post at this site, and after reading a lot of other posts here I understand there are going to be some changes, I do not understand what the changes are, I am not computer literate, I also can't spell worth a damn, and can not find the "spell check" that I find on other sites, like www.honda-tech.com it would make posting here a lot easier for me.