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sandyhb
09-21-2008, 07:59 AM
Purchase 4311b that were vandalized removed the woofer it has 2 green wires one with black stripe. the green-black wire was connected to positive post . Is this correct as i've always thought this is negative or black post. Also what is the white coating on the woofer cone and how is it applied. Thanks, Sandy

alotawatts
09-24-2008, 01:40 AM
You are correct Grn/Blk to neg.
This is in the LINKS - Tech info folder
http://manuals.harman.com/JBL/HOM/Technical%20Sheet/4311B%20ts.pdf
I'll let someone else answer your cone question. I believe it is a coating with sand in it.

Doctor_Electron
09-28-2008, 10:59 PM
http://audioheritage.org/vbulletin/showthread.php?t=277&highlight=lansaplas

GOOD INFO ON LANSAPLAS