Quick question,
When building the enclosure, how do you guys (those who have build the 4345) construct the frame around the grill (not the grill it self), but the molding (for lack of a better work) on the front of the speakers.
Member saeman has posted detailed construction plans for some of his 43XX projects which included the grille frames... if you do some searches you should be able to find them.
I just reread your query... you are actually interested in the front edge molding... he has posted about that as well.
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Here are the plans
http://www.audioheritage.org/vbullet...ad.php?t=11856
Rob
"I could be arguing in my spare time"
http://audioheritage.org/vbulletin/showthread.php?t=314
Start around post #105... that may be what you're after. (?)
Thanks Grumpy... post 106 has a great drawing showing the detail.
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All,
I am planning on using 1" MDF for the construction of th 4345. Per review of most of the 4345 constructions threads on the forums, everyone seems to use 3/4" Baltic Birch ply for the baffle.
I wanted to ask whether it would be a problem using the 1" MDF for the baffle as oppose to the Baltic Birch. Would there be a problem painting the MDF?
Please share your thoughts.
1 - pair of 2245H baskets sent in for recone to authorized local JBL dealer
1 - pair of 2123H baskets sent in for 2122H recone to authorized local JBL dealer
I tell you all - these happen to be some of the most expensive drivers to recone. What gives???
My views (and others ) on MDF are documented in the posts here. Yes it is good acoustically and yes it is easy to machine but the dust is just horrid and bad for you also. Baltic ply is a joy to work with and is as near to MDF in general but without the cons.
You will thank me for this advice , been there done that !
I don't know what you paid for your 2245 baskets, but even with the ~$250 cone kit + labor + shipping I bet it's a lot cheaper than buying a NIB 2242H at full retail.
Here are my MDF monstrosities. Dust management and a mask are absolutely mandatory when working with this junk!
Someday I might actually finish them.
The goal is to at least have the boxes finished before it gets too cold to work in the detached garage. They have a long wait for networks since I am currently backlogged on building those.
The bottom brace in the top photo is just sitting in there and is never actually implemented since the base provides all the necessary bracing. I also removed all the "select pine" stickers after the photo was taken.
That isn't some new kind of aquaplas on the back of the 2245H, the cone is missing. I was told that it wouldn't affect the sound but will probably recone it anyway someday .
I snapped the three bottom photos minutes ago.
I really like the textured paint Saeman suggested I try as a base coat. The baffles will be the usual blue and the back and base will be black. The ten mil veneer is from everyone's favorite veneer place - Walnut - Flat Cut
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