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3.0 MA Pluvia 7 Wall-Mounted sound bar
3.0 MA Pluvia 7 Wall-Mounted sound bar
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Old 28th December 2018, 02:13 PM   #1
Wiggle8 is offline Wiggle8  Canada
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Default 3.0 MA Pluvia 7 Wall-Mounted sound bar

This is a recent build that was a Christmas gift for my in-laws.

Here are the basics:
  • Intended for wall-mounting
  • 3.0 (Left, Center, Right) /w one full range (pluvia 7) driver per channel
  • Left and right channels are ported /w 7.5 liter enclosure, center is approximately 3 liters sealed.
  • Intention is for L/R to be configured for full-range signal, center channel to be run with high pass filter at 100 or 125 Hz.
  • Constructed from half-inch Oak plywood with solid oak edge/frame.
  • All wiring terminations are on the bottom in the center. 3 pairs of gold-plated binding posts.

Sounds really quite decent from my testing. It will not be used for loud volume or more "intense" movies so will likely be used without a subwoofer.
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Old 28th December 2018, 07:38 PM   #2
chrisb is offline chrisb
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Nicely done - reminds me of a similar project a few years ago using A6Ps, with a pair of separate enclosures for rear surrounds, and CSS SDX7 subs for a full 5.1 system.
Hard not to suggest that adding even a small powered woofer and full bass management via HT receiver would make a huge improvement, but if this for in-laws, that one extra remote can be a bridge too far.
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Old 28th December 2018, 08:21 PM   #3
Octavia is offline Octavia  United States
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lovely piece but you'll never go wrong with a proper dialed in subwoofer, keep it under 60Hz and thank me in the morning
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Old 28th December 2018, 08:49 PM   #4
chrisb is offline chrisb
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I’ve been happy with the THX standard XO of 80Hz, but you’re dead right overall.
I could even say, “take two subs, and call me in the morning”, but that’s just whimsy for its own sake.
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Old 28th December 2018, 10:03 PM   #5
Octavia is offline Octavia  United States
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i like a little whimsy
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Old 28th December 2018, 10:30 PM   #6
Wiggle8 is offline Wiggle8  Canada
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With the listening habits I doubt they will be wanting a SW anytime soon. But if so, a little UM8 unit might be a good option for next year.

They did get a used 5.1 receiver so bass management is available.
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Old 28th December 2018, 10:52 PM   #7
Octavia is offline Octavia  United States
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Just out of curiosity why did you elect to make the center channel sealed and the R and L ported? Other than frequency extension do you notice any differences in clarity, articulation, etc.
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Old 28th December 2018, 11:01 PM   #8
Wiggle8 is offline Wiggle8  Canada
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My logic was that since I had limited volume I'd rather have the main stereo pair has reasonable bass extension rather than having all three with mediocre extension. As well, this way I can cross over the center speaker to the stereo pair to reduce its workload and hopefully improve clarity on the most critical speaker for overall sound quality.

I can't say I've compared or listened carefully enough to notice the effect though.
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Old 28th December 2018, 11:08 PM   #9
Octavia is offline Octavia  United States
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thanks
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Old 29th December 2018, 12:15 AM   #10
Eric is offline Eric  United States
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3.0 MA Pluvia 7 Wall-Mounted sound bar
Cool implementation! I was considering something similar a short while ago. I like the tradeoff in volume for the center vs left & right drivers, clever work.
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