JBL crossover 3172 - schematic available? - diyAudio
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Old 30th June 2012, 10:44 PM   #1
elac310 is offline elac310  France
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Default JBL crossover 3172 - schematic available?

Looking for the schematic of JBL's crossover 3172, used in cinema system 5672 (https://docs.google.com/viewer?a=v&q...nDMnLrszPoypMw)

Does anyone know if it's available somewhere?
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Old 30th June 2012, 10:48 PM   #2
kevinkr is offline kevinkr  United States
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Have you checked over at the Lansing Heritage website?

See here: www.audioheritage.org/intro.htm

See also: JBL Professional

Is this a current production model?
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Old 30th June 2012, 11:17 PM   #3
elac310 is offline elac310  France
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Quote:
Originally Posted by kevinkr View Post
Have you checked over at the Lansing Heritage website?

See here: www.audioheritage.org/intro.htm

See also: JBL Professional

Is this a current production model?
Yes, I checked audioheritage and JBLpro.
I think it is a current production; although some parts of the 5000 series cinema system are indicated by JBLpro as "vintage" (especially the 2490 driver and 2392 large format horn), the various cinema systems using these components are still on the page of currently produced systems.
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Old 30th June 2012, 11:26 PM   #4
kevinkr is offline kevinkr  United States
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You might be able to get the schematic directly from JBL service department, but that is probably a long shot.. If you have a set of these speakers they are more likely to help you.. Someone at Lansing Heritage might have an in with the right people at JBL as well..
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Old 30th June 2012, 11:32 PM   #5
elac310 is offline elac310  France
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Thanks for your advice and good thoughts.
Will post my question on lansingheritage.
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Old 2nd November 2012, 11:41 PM   #6
elac310 is offline elac310  France
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UP!
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Old 20th April 2013, 03:00 PM   #7
elac310 is offline elac310  France
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Up again

(forgot to say it's the x-over used in the 5672/BI, not the 5672)
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Old 20th April 2013, 03:07 PM   #8
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When I get to my office I should be able to look it up.
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Old 20th April 2013, 03:30 PM   #9
elac310 is offline elac310  France
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Thanks Simon7000. That would be really great if you can dig it out.

I went through all the sites where JBL (Pro) service manuals and filter schematics are listed, but no trace of the one I'm after.
Cheers.
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Old 20th April 2013, 06:35 PM   #10
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Attached is all the information JBL has!

The crossover was only used in a spin off model. There is no schematic, the number is just skipped over. I suspect the crossover was not built by JBL.

ES
Attached Images
File Type: jpg 5762 bi 2.JPG (52.5 KB, 27 views)
File Type: jpg 5762 bi 1.JPG (72.5 KB, 26 views)
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