Planar Speaker Asylum

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Planar Speaker Asylum

RE: An alternative to a 'tympani' would be a 20.7 size woofer!

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In Reply to: RE: An alternative to a 'tympani' would be a 20.7 size woofer! posted by josh358 on January 28, 2017 at 05:20:57

Thanks Josh. The PI site doesn't say, but they look like styrofoam. Really cheap, like $160 for two pair of 2' x 4' diffusors.

Follow Ups:

RE: An alternative to a 'tympani' would be a 20.7 size woofer! - josh358 07:01:38 01/28/17 (4)
Yeah, since they're CNC, I think EPS is a good bet (like styrofoam but about 3x as dense). It is a great price, isn't it.
- RE: An alternative to a 'tympani' would be a 20.7 size woofer! - BDP24 08:30:54 01/28/17 (3)
  Cheap yeah, but you're right, they are effective only down to 1k or so. The 6" GIK's work down to around 600Hz, muchas better. I'd love some RPG type---maybe I'll make one. I need to cover a 4' x 4' window dead center between my speakers. The window cavity is 5" deep. Now that I think of it, four of the GIK 2' x 2' x 6" GridFusors would be perfect!
  - RE: An alternative to a 'tympani' would be a 20.7 size woofer! - josh358 09:41:15 01/28/17 (2)
    Yeah, the RPG's would be nice, wouldn't they. :-)
    
    I have a window too and I hate covering it because I lose so much light, so I was thinking that what I really need is a transparent polycylindrical diffuser. Unfortunately, as far as I know, no one makes one, so I'd have to bend the Plexiglas myself, which looks to be something of a chore. Maybe we should start a company called "Diffusers For Windows." :-)
    - RE: An alternative to a 'tympani' would be a 20.7 size woofer! - BDP24 11:55:56 01/28/17 (1)
      Ha! I actually WANT to close off the window (the only one in the room), for two reasons: 1- Although I'm sure my Tympanis were restored with Magnepans new, anti-UV sensitive glue, why take a chance?; but more importantly 2- I want my room to feel like an isolated musical oasis, the outside world being non-existent. My neighborhood is very, very quiet (it seems like the Northwest in general is, in comparison with noisy, congested Southern California), but with no outside light coming into the room, I can actually forget it's out there. I don't know why some people consider me anti-social. ;-)
      - RE: An alternative to a 'tympani' would be a 20.7 size woofer! - josh358 14:20:38 02/18/17 (0)
        
        In Reply to: RE: An alternative to a 'tympani' would be a 20.7 size woofer! posted by BDP24 on January 28, 2017 at 11:55:56
        
        Heh. I like the sunlight and I got UV resistant windows to protect the Tympanis (as well as less important things like my eyes). Though mine may have the water-sensitive adhesive that came after, not sure.
        
        Patched up my diffusers which had gotten bunged up in transit (for which I got a $50 credit) and from falling off the wall, now I have to paint them and hang them for the umpteenth time, having discovered that tape just doesn't want to stick to them. The paint apparently improves their performance by hardening and sealing the surface.

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