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Re: Horn loaded Corona Build [message #92016 is a reply to message #92015] Wed, 03 June 2020 17:48 Go to previous messageGo to previous message
Wayne Parham is currently offline  Wayne Parham
Messages: 18678
Registered: January 2001
Illuminati (33rd Degree)

Awesome news you got your JBLs! But Rusty's right - Do check the quality of the wood. Lowe's is an excellent retailer, but the ones in Tulsa and Northwest Arkansas definitely do not carry Baltic Birch or even a good grade of MDF. They provide sheets of stuff that's probably good for some kinds of home projects and other similar structures like sheds, shops and garages. But it isn't suitable for loudspeaker enclosures.

Your local Lowe's might be different, but I doubt it. You can easily identify true Baltic Birch - It is sold in metric values of thickness, like 18mm. That's 0.7" which is pretty close to 3/4" and it will have 13 plys. What you'll probably find at Lowe's will be plywoods with much fewer plys than that, like 5. That's the sure indicator it's not Baltic Birch. Another way to tell is it's usually sold in 1.525M square sheets, which is 5' x 5'. It will also usually have a Cyrillic letter on it. Seems like all the sheets I've bought had an "F" (which looks like "ф") on the face somewhere.
 
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