View Full Version : Need help with urei 813 crossovers
trollgurka
11-20-2013, 08:59 AM
I would appreciate a lot if someone on this forum could direct me to a schematic for the urei 813 crossovers. Crossovers has been bypassed by some previous owner. I'm not able to tell which cable goes where.
grumpy
11-20-2013, 09:36 AM
first one:
http://www.jblproservice.com/pdf/vintage%20jbl-urei%20electronics/urei-813.pdf
"B" version:
http://www.jblproservice.com/pdf/Vintage%20JBL-UREI%20Electronics/UREI-813B.pdf
last "C" version:
http://www.jblproservice.com/pdf/UREI%20Time%20Align%20Series/813C-L,R.pdf
trollgurka
11-20-2013, 10:34 AM
Thanks a million, Grumpy! :)
trollgurka
12-01-2013, 05:34 AM
My crossover is a 838. The schematics is for the 840. Any differences?
grumpy
12-01-2013, 06:31 PM
The first pdf is, I believe, for the 838 crossover.
trollgurka
12-02-2013, 08:07 AM
Thank you again for replying, Grumpy. I have had plenty of use for this forum before - it's great to have good people to ask. :-)
My problem is that the 838 crossovers has been bypassed and i suspect some of the components are broken or missing. That is the reason for why I need the schematics, I need to tell what capacitors, resistors etc are supposed to be sitting where. And also, of course, to solder the cables the right way. I might be wrong but I have only found a sketch specifying the components for the 840. Sorry to bother you again.
Thanks
grumpy
12-02-2013, 09:57 AM
Specifically, page 7 of the first pdf I posted... did you find it?
trollgurka
12-02-2013, 12:52 PM
Yes, of course you are right. How could I miss that? :o: Thanks again, bro.
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