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Old 26th March 2013, 09:19 AM   #1
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Default Crossover for R2904/15W4531

I looking for schematic x-over to 2-way monitor - R2904/15W4531 or R2904/18W4531
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Old 26th March 2013, 01:41 PM   #2
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You can find a 18W8531/7000 design here: Ultimo
Another design with the 18W8531 but mated to a 6600 is here: Zaph|Audio - ZRT - Revelator Tower
Both designs are towers, you can modify them to a monitor cutting the lower part and leaving unaltered the top portion, and going for a sealed speaker. IMHO no way to have a 18W revelator in a small reflex enclosure.

Then there is a 18W4531/7000 design but it is a TL design with the tweeter under the woofer, so I don't think you could easily change it to a monitor without some changes in the crossover too: http://www.humblehomemadehifi.com/do...ptimo_copy.pdf

Ralf
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Old 21st December 2014, 02:44 AM   #3
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Once again
I looking for schematic x-over to 2-way monitor - R2904/15W4531 or R2904/18W4531
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Old 21st December 2014, 11:10 PM   #4
Face is offline Face  United States
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If you can afford drivers of that caliber, you should be able to do them right and afford the proper measuring equipment.
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Old 22nd December 2014, 03:25 AM   #5
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Measurements have already done and a few times. Measurements are the departure point - but in order to exploit the potential of these speakers, the measurements are not enough - that's why I'm looking for some help.
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Old 22nd December 2014, 08:37 AM   #6
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What is wrong with the Tony Gee's project I suggested you? If you already measured the drivers you could at least simulate that crossover, and maybe report back. There is plenty of free simulation software, I know (and use) at least three.

If you don't like that project, with a small use of google you could easily find another project. Is was published in the Klang+Ton magazine (3/2006), and you could easily download a copy for a mere 3,99 - I'm not sure the crossover is published but I'm pretty confident it is.

Ralf
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Old 22nd December 2014, 12:34 PM   #7
Dissi is offline Dissi  Switzerland
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It's the A.O.S. Studio 12 XL:

Scan-Speak
http://www.aos-lautsprecher.de/pdf/t...studio12xl.pdf

Component values are missing in the pdf, but they have been published in KLANG+TON 3/2006 on page 78.
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