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View Full Version : JBL L212 Ultrabass Grill Dimensions Needed



Zonker92
05-17-2016, 06:06 PM
I need to fabricate a replicate L212 Ultrabass grill cover. I can reverse-engineer it, but just to be sure, can someone please tell me its dimensions, in particular how thick it is? Also, is it MDF? Photos would be great. Thanks.

Don C
05-17-2016, 11:09 PM
It should be 16, 7/8 wide and 18, 1/8 tall, made from particle board 15/16 thick. It would be sized to fit into the recess at the front of the cab.

Zonker92
05-18-2016, 08:23 AM
Thanks, Don! Is there a recess or groove (rabbet or rebate) around the edge? Do you know the hole diameter? If not, I'll just make it maybe 1/2"+ larger than the woofer frame.

Now, on to find that strange fabric.

Zonker92
05-19-2016, 04:33 PM
Bump: Still hoping for photos of the back of the subwoofer grill. And does anyone know of a source for the unique grill cloth? Thanks!

kelossus
05-20-2016, 01:07 AM
Bump: Still hoping for photos of the back of the subwoofer grill. And does anyone know of a source for the unique grill cloth? Thanks!

Here you go mate, unsure about the fabric. It is a very thick weave compared to the normal grille cloths.

[ATTACH]71592

kelossus
05-20-2016, 01:08 AM
Here you go mate, unsure about the fabric. It is a very thick weave compared to the normal grille cloths.

[ATTACH]71592

Just noticed the grille is upside down in those photos

Zonker92
05-20-2016, 08:19 AM
Thanks so much, mate! Much appreciated! Actually, based upon the peg holes and driver opening, that's gotta be right-side up.

And below is the grill fabric.

(PS I always wanted to say "mate". :D)

kelossus
05-20-2016, 05:01 PM
Thanks so much, mate! Much appreciated! Actually, based upon the peg holes and driver opening, that's gotta be right-side up.

And below is the grill fabric.

(PS I always wanted to say "mate". :D)

Hahaha all good.

Did you find a source for the fabric? I wouldn't mind freshening up my system as well.

Zonker92
05-20-2016, 06:08 PM
No cloth source yet, but I'll update this thread if I find some. Thanks again, mate!

Ed Zeppeli
05-20-2016, 06:56 PM
It looks like guitar cloth.

http://www.mojotone.com/Grillcloth_x#/

Zonker92
05-20-2016, 07:21 PM
I thought so, too. I'll check out the cloth on my sons's Fender amp.