Planar Speaker Asylum

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Planar Speaker Asylum

RE: I did have to make unwanted compromises

69.115.248.163

In Reply to: RE: I *did* have to make unwanted compromises posted by wazoo on August 10, 2010 at 09:44:59

I'm sure that when all is said and done, it will be a good room and bring you a lot of pleasure. What else can one ask?

Maggies, because you can never be too thin!

Mark

Follow Ups:

another *new* compromise - wazoo 12:01:19 08/10/10 (3)
My orignal plan was to move my MMGs into the new space as the rear channel speakers, but I've determined that to be unworkable - need about another five feet of room length. As I am not about to compromise on the positioning of the 3.6s, the MMG idea is now officially dead. My current plan is to buy another MMGC (to go with the one I already have) and hang them from the ceiling.

This compromise has zero impact on my stereo setup, but it is another compromise nonetheless.

"Jazz is not dead - it just smells funny" FZ
- RE: another *new* compromise - josh358 11:25:47 08/11/10 (2)
  Why the C rather than the MMGW's?
  Also, wondering why can't you fit the MMG's in a 30' room . . .
  
  Edits: 08/11/10
  - ch-ch-ch-changes - wazoo 20:38:13 08/11/10 (1)
    Do you want the typical long-winded answer or a short one? The latter is simply: already had one of the former and there has to be room to walk!
    
    If you've nothing better to do, then you can proceed with the expounded explanation.
    
    In the beginning (well, that's not exactly true, but in the beginning of the room project), there was the space above a 40x30 garage with a 9/12 pitch roof. I figured I'd have roughly a 36x16 space in which to construct a listening room.
    
    The next thing I know, there is a conspiracy among my friends to name that space the football season gathering room. They would not accept my decree that no TV was to occupy that room, so I began to give in a bit and I thought about installing a TV such that I could fold it up against the ceiling when it wasn't in use - surely something could be rigged to make that happen.
    
    Shortly thereafter, my wife asked why we couldn't also make that our movie room. At that point, I figured I'd suggest something, so I mentioned a projector with a power screen - turn on the projector and the screen lowers; turn it off and the screen disappears into the ceiling. She liked that idea, and I've wanted one but was never willing to spend that kind of money on video - I didn't think she's be too keen on the idea either. Well, with my wife's endorsement, I plopped down the cash for a Runco RS1100 and a powered Stewart Studiotek 130 screen.
    
    With the aforementioned, a half bath became a necessity, and the shrinking floorspace got a little smaller. That's when it struck me - four feet for the stairs and five feet for the bathroom (and a 'snack' area on the other side of the rear of the room - opposite the half bath) adds up to 9 feet to be subtracted from 40. The room ended up being roughly 15 1/2 feet wide. This would leave me with a room having an even multiple - the length was to be twice the width and that's not desirable.
    
    When Jerry (the framer) arrived this morning, we talked about what we were doing and now the bathroom is going where I was previously to have box storage, and the room is longer by ~5 feet. The MMGs may actually fit in that space now. I have a second MMGC coming anyway. The final dimensions are 184" x 442" x 96"* - when plugged into the mode calculator, that doesn't appear to be too bad of a room (no red flags). Then again, that's based on a rectangular shaped crossection, and that isn't what I have. So, who knows? Anyway, the Cardas setup specifies essentially 5' form the front wall for dipole placement in a room with an 8' ceiling. My ceiling is 8' down the center....ah, here's a photo of the current skeleton. The Cardas distance calculations work in this space, and there is plenty of wiggle room, so I'm hopeful that it will be relatively easy to tame the new space - that'll be different.
    
    The view faces out towards the road and the front of the room. The window is demanded by code, but once we're past that inspection, it will be covered with an insert bearing acoustical treatment. That window absolutely has to be right where I don't want it. Thank you big brother!
    
    Why the MMGC instead of the MMGW? Well, I already had an MMGC and the frequency range is darn close to the same. The location where I intend to place the rear speaker may favor the curved design of the MMGC.
    
    I had to go to work today - well, for 2/3s of a day anyway. I won't be leaving tomorrow. The framing inspector will be coming as will a number of other contractors to give me estimates. At the outset, I intended to build out this room, but my wife said she'd rather we spent the money to get it done professionally. I was a little offended at first, but then I realized how much work that was going to save me - plus, I'd be able to enjoy the 3.6s at least a couple of months sooner.
    
    What was the question?
    
    "Jazz is not dead - it just smells funny" FZ
    - RE: ch-ch-ch-changes - josh358 16:03:47 08/12/10 (0)
      Very cool. Looks like you've gotten a lot done. Guess I'm used to the pace at which things (don't) happen here!
      
      I'd toss the Cardas calculations. For one thing, as you point out, the room isn't a box. You won't really know what it's going to do until you hear it. For another thing, bass isn't the most important parameter with planars. They like breathing room. The further you get them from the front and side walls, the better they sound. If you can get them 15' from the front wall, you'll get phenomenal depth.

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