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View Full Version : JBL 3678 crossover help



turnitdown
10-18-2017, 03:56 PM
I have the parts to build the above cinema speakers but have searche this site, to no avail, for the crossover. Anyone here have a schematic or reverse engineered one? Thanks

grumpy
10-18-2017, 04:13 PM
Google is your friend:

https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=1&ved=0ahUKEwjispvDpfvWAhWJh1QKHYD6BrQQFggmMAA&url=http%3A%2F%2Fwww.jblproservice.com%2Fpdf%2FThe atre%2520Series%2F3678LF.pdf&usg=AOvVaw3lAju8So4_cAKUg-5dA-SP

Earl K
10-18-2017, 04:32 PM
Hi,

Some more info on the 3678 within a poorly labelled thread. (http://www.audioheritage.org/vbulletin/showthread.php?33628-Filter-for-bi-amping)

:)

turnitdown
10-18-2017, 06:21 PM
I've been here long enough to know that. I searched this site before I opened the thread. I must up my search game. Thanks Grumpy and EarlK