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Speaker plinth material bottom ported Zu Omen Defs

Currently my Zu Omen Defs sit on hardwood floor ( bamboo) in my basement finished listening room. Even though we are very good at keeping sewer cleared, video checks every year, I’m always paranoid about water overflow. Our basement is bone dry. I would like to raise the zus off the floor about an inch or two with a plinth. IMO, mapleshade’s at $600 + each is pricey. I can make my own. My question is wood vs granite on bottom slot ported speakers like Zu. One would think that granite may be too reflective for bass vs wood. Just curious if anyone has any thoughts. For the trolls: yes we have flood insurance, sump pumps, etc. I’m not moving the gear back upstairs. Just asking about best material. 

Thanks
aberyclark

Showing 5 responses by gdnrbob

gdnrbob
4,492 posts
 
Well, I think the only way is to try it. If it turns out too bright, you could add a bit of felt or maybe a piece of carpet over the marble.
But, you might just give Zu a call to get their take on it. They do answer calls. I believe his name is Gerrit.
Bob
gdnrbob
4,492 posts
 
As an owner of an old house that occasionally get water in the basement, I can understand your concern.
I would think raising them might change the leveling/angle of the speakers, but bass performance should not be affected.
Bob
gdnrbob
4,492 posts
 
@rar1 ,
Unless something has changed, Zu always recommends leaving about 1/4 inch gap between the bottom of the speaker and the floor for their bottom ported speakers.
I see those plinths you are using have a waffle design, which may be allowing the speakers to resonate better. I would try adding the spikes to give them a little more clearance.
Bob
gdnrbob
4,492 posts
 
@stereo5 ,
That's why I said he might have to re-angle them.
Or, maybe raise his seating as well. It would keep it dry should he get a leak.
There are wifi alarms that would alert you should moisture be present.
Bob
gdnrbob
4,492 posts
 
Don't forget about Herbie's. He has lots of nice isolation products that don't cost an arm and a leg and really work.
+1 for contacting Zu. Nothing like from the horse's mouth.
Bob
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