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  Topic Review (Newest First)
12-28-18 06:52 PM
madermat
Re: DIY can be very frustrating (or things I wish I knew first)...

thanks fro the tips going to be helping with two 18 inchers first time for either one of use
08-04-15 03:52 PM
Steeve-O
Quote:
Audioguy wrote: View Post
The only sealant I've used is rope caulk. It is about 3/16 inch, comes in a role, pull off what you need, place around the driver opening, and carefully place the driver in place, insuring the holes are lined up. It NEVER dries and when you remove the driver, just pull it off.
How hard is it to clean when you want to remove it? Especially on mdf or painted mdf? I never thought about using rope caulk but that sound like a good idea!
08-04-15 09:00 AM
nolv
Re: DIY can be very frustrating (or things I wish I knew first)...

cinq
02-09-15 08:43 PM
Audioguy
Re: DIY can be very frustrating (or things I wish I knew first)...

The only sealant I've used is rope caulk. It is about 3/16 inch, comes in a role, pull off what you need, place around the driver opening, and carefully place the driver in place, insuring the holes are lined up.

It NEVER dries and when you remove the driver, just pull it off.
02-04-15 06:01 PM
MetropolisLake
Re: DIY can be very frustrating (or things I wish I knew first)...

Tricks I've done in the past...

1. In some situations an access panel may come in handy. You can leave the back open then attach hardwood strips 3/4" from the back edge, make a panel that slips right in, put some gaskets on the edge to seal it, then just screw the entire back on. If something goes wrong, like one of your wing nut things starts spinning, just take the entire back off.

2. Ratchet straps can make some pretty good clamps on the cheap. If you make an entire cabinet and are glueing it up, you can wrap ratchet straps all the way around it then tighten hard, pulls the entire thing in to itself. Of course long clamps are best but multiple long clamps cost money and may keep you from having to fire brads into the thing.

3. If you use plywood, consider a Kreg jig setup. You can build an entire box with no clamps at all, by yourself. These are very strong.

4. Much of the hardware can actually be found at your local hardware store, cheaper and better than a speaker specialty shop. For example with pro audio cabinets, rubber caster wheels, handles, gaskets, acoustic egg crate lining, wing nuts, and all kinds of other stuff can be found locally.

5. consider baltic birch plywood instead of MDF. It glues up real nice, is stainable, very stiff, much more sandable, you basically have a nice veneer coated box when you are done already, you could just put polyurethane over it and call it good, its beautiful. Even the edges don't look bad but you can use white birch iron-on edging and it looks super nice.
02-04-15 05:45 PM
MetropolisLake
Re: DIY can be very frustrating (or things I wish I knew first)...

Quote:
jon96789 wrote: View Post
When buying MDF, do NOT buy it if it has a finished or polished feel to it... Wood glue will not adhere to it.
I usually don't use MDF but I recently got a flat pack for an 88 Special speaker from the DIY Sound Group that seemed smooth and polished. I glued it right up, it feels very strong and solid. They ship flat packs of the stuff all over the place with no complaints. Did you clamp it properly?
02-04-15 05:43 PM
MetropolisLake
Re: DIY can be very frustrating (or things I wish I knew first)...

Quote:
jon96789 wrote: View Post
[*]Do not use steel wool if you will be using any water based product to finish the box. Any steel fibers in the finish will start to rust. What may look nice now, will be ugly as the finish starts to look like it's getting chicken pox.
Steel wool fibers in the finish is horrible regardless of what the finish is. It will leave behind a very rough finish that reminds you of bubbles stuck in it or something. Need to make sure it is completely cured before using it then try to clean it off the best you can afterwards. I'm not sure what the best way of doing this is but apparently its pretty important. I got some fibers embedded in some oil based stain and polyurethane, turned out pretty horrible, I'm going to have to redo it sometime.
10-18-14 10:57 PM
Brian2014
Re: DIY can be very frustrating (or things I wish I knew first)...

Good stuff and thank you
07-19-13 01:14 PM
jon96789
Re: DIY can be very frustrating (or things I wish I knew first)...

When buying MDF, do NOT buy it if it has a finished or polished feel to it... Wood glue will not adhere to it.
07-16-13 10:34 AM
asarose247
Re: DIY can be very frustrating (or things I wish I knew first)...

Keeping the open nozzle of the PL tube sealed with a "wrap" of 2 inch thin package sealing tape keeps the solvent in and the whole tube readably useable with very little waste.
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