View Full Version : JBL Urei active Crossover Schematics
MatthiasA
07-09-2005, 05:35 PM
Hello
has anybody Schematics of active JBL Urei crossovers?
Now ive two 2402 high range drivers and two 2450 midrange drivers
i want to build a very good 24/oct active crossover!
800-4,5khz in the mid section and 4,5khz - 16khz in the High section
greetings Matthias
Mr. Widget
07-09-2005, 06:04 PM
i want to build a very good 24/oct active crossover!
Ok, then why do you want the JBL/Urei schematics?:duck:
If Ian doesn't pop in here send him a PM. He has been working on several active crossovers that are more flexible and significantly superior to the old Urei design.
Widget
Zilch
07-09-2005, 06:33 PM
Look up M553.
Or buy one.
http://www.jblpro.com/pub/obsolete/M553%20Owners%20Manual.pdf
MatthiasA
07-10-2005, 03:51 AM
i want the urei schematics to get impressions and ideas
then i will construct a filter!
greetings Matthias
Robh3606
07-10-2005, 06:08 AM
They are in the back of the manuals
http://www.jblproservice.com/pdf/Vintage%20JBL-UREI%20Electronics/JBL-5235%20manual.pdf
http://www.jblproservice.com/pdf/Vintage%20JBL-UREI%20Electronics/JBL-5233&5234.pdf
http://www.jblproservice.com/pdf/Vintage%20JBL-UREI%20Electronics/UREI-518&521.pdf
http://www.jblproservice.com/pdf/M-Series%20Electronics/M552.pdf
http://www.jblproservice.com/pdf/M-Series%20Electronics/M553.pdf
Rob:)
Ian Mackenzie
07-10-2005, 03:15 PM
Actually "I" would be more inclined to biamp with the woofer and arrange a passive filter b/n the horn and uhf.
The Doctor
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