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Old 14th November 2014, 11:24 AM   #1
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Default Small reflex box FR recommendation?

Want to put together a pair of computer desktop FR speakers for a gift for a friend. These will hopefully replace some pretty crappy Logitechs already in place. The sub will stay. Want to keep these 10L or less and BR for a bit of bass punch and easier sub integration. Baffle width max is 4.5".
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Old 14th November 2014, 11:34 AM   #2
Mayuri is offline Mayuri  Finland
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For easier sub integration into computer speaker subwoofer I'd make a small sealed box. Maybe Faital 3FE25 (sensitivity) or Vita TC9 (looks)?
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Old 14th November 2014, 11:37 AM   #3
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Fostex FF85WK in a Lance...if you can live with a 5" width

Woden Design 3" Box Designs
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Old 14th November 2014, 12:00 PM   #4
cspirou is offline cspirou  France
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The fostex recommended box for the fe83en is about 6L. I made nearly the same thing except I moved the BR port in back. Even though I know the bass isn't there, I don't really feel like it's missing because it rolls off easily. Should integrate with a sub no problem.

http://www.fostexinternational.com/d...pdf/FE83En.pdf

If you don't like the fostex box then check out this Japanese speaker porn.

スピーカー製作
スピーカー製作2
スピーカー図面

The first two links are pictures and the third link has plans to make the speakers. Google translate is your friend. The Japanese love audio and they live in small spaces so they are masters at making great small speakers.
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Old 14th November 2014, 12:34 PM   #5
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Surprised to not see recommendations for MarkAudio driver? Given the desktop use, I can angle the baffle to reduce the vertical off axis listening position.
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Old 14th November 2014, 12:49 PM   #6
mikje is offline mikje  United States
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MarkAudio it is...
I put a CHN-70 in a 0.2 cubic foot box (roughly 5.6 liters) per the recommendation on the Madisound page for the driver. This is a great little driver, especially if you'll be using a sub with it.

"In a ported box of 0.2 cubic feet with a 1.5" diameter vent by 4" long (or 1" リ x 1.5" long), your f3 is about 70Hz."

https://www.madisoundspeakerstore.co...ne-full-range/
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Old 14th November 2014, 07:46 PM   #7
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Thanks Mikje. How's the high frequency production of the Mark? I've read and heard subjective opinions that there's some fatiguing breakup in the 4-7khz range that gets to you when listening for a while.
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Old 14th November 2014, 07:53 PM   #8
mikje is offline mikje  United States
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So far, I have no complaints. However, my ears aren't what they once were.
Mike
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Old 14th November 2014, 08:13 PM   #9
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There are so many... especially if 5-6 litre is still considered small. althou 4.5" baffle width is limiting

What kind of budget for the drivers?

uFonken (FF85wk), uMar-Ken6 (Alpair 6.2p or m) would be my 1st consideration.

dave
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Old 15th November 2014, 02:15 AM   #10
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Budget is $200 for the pair. $40 is used for IKEA Bamboo cutting boards for cabinets. Foam, pvc for port, wire and binding post on hand so $160 for drivers and xo components if any ( contour, BSC, LCR trap.....or none!
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