Brick or sheetrock walls behind SDA-1Bs

bigaltx24
bigaltx24 Posts: 141
edited January 2010 in Vintage Speakers
The wife has decided to redecorate. I know this is never a good sign, but this time it's pretty good. I get to move my SDA-1Bs into a bigger room with a lot more options on speaker placement. The room I'm moving them into 20' x 16', the way the room is situated I'm pretty much stuck placing the speakers on one the 20' walls. Now for my dilemma, one wall is sheetrock, the other is brick. Which wall will sound better, I know they sound good against a sheetrock wall, but how will they sound against a brick wall?
Denon PMA-900V
Linn Axis with Grado Red
Cambridge Azur 650C
Polk SDA-1BTL
Post edited by bigaltx24 on

Comments

  • beef316
    beef316 Posts: 154
    edited January 2010
    I would think you would get more reflection from the brick wall, so my guess is place them on the brick. I would think that if you are redecorating you could probably take a few minutes to demo from both walls.
    2004 IASCA Spring Break Nationals Champion - Amateur Street
    2003 IASCA World Finals Runner Up - Amateur Street
    Certified IASCA Judge
  • treitz3
    treitz3 Posts: 19,215
    edited January 2010
    Which wall has brick and which wall has SR? [LW/SW]

    Are there any other considerations to concern yourself with in this decision?
    ~ In search of accurate reproduction of music. Real sound is my reference and while perfection may not be attainable? If I chase it, I might just catch excellence. ~
  • bigaltx24
    bigaltx24 Posts: 141
    edited January 2010
    One of the long walls is brick, all the rest are sheetrock. The way the room is laid out I'm pretty much stuck having to use one of the long walls. I just may have to take some time and demo both walls.
    Denon PMA-900V
    Linn Axis with Grado Red
    Cambridge Azur 650C
    Polk SDA-1BTL
  • ben62670
    ben62670 Posts: 15,969
    edited January 2010
    Put your SDA's on the brick wall. Not ideal, but it is the lesser of the two evils. Where is Milton?
    Ben
    Please. Please contact me a ben62670 @ yahoo.com. Make sure to include who you are, and you are from Polk so I don't delete your email. Also I am now physically unable to work on any projects. If you need help let these guys know. There are many people who will help if you let them know where you are.
    Thanks
    Ben
  • dorokusai
    dorokusai Posts: 25,577
    edited January 2010
    I'd go with sheetrock and use the irregular surface of the brick to minimize the reflection. I'm picturing you being able to have the speakers on one wall with the brick wall the opposing wall correct?
    CTC BBQ Amplifier, Sonic Frontiers Line3 Pre-Amplifier and Wadia 581 SACD player. Speakers? Always changing but for now, Mission Argonauts I picked up for $50 bucks, mint.
  • JohnLocke88
    JohnLocke88 Posts: 1,150
    edited January 2010
    room treatments!!!111;)
  • Pauly
    Pauly Posts: 4,519
    edited January 2010
    ben62670 wrote: »
    Where is Milton?
    Ben


    Up in the Panhandle almost to AL. I went there once when i lived in Panama City but cant for the life of me remember why. I want to say hunting but dont recall.

    Pauly
    Life without music would
  • F1nut
    F1nut Posts: 50,753
    edited January 2010
    dorokusai wrote: »
    I'd go with sheetrock and use the irregular surface of the brick to minimize the reflection. I'm picturing you being able to have the speakers on one wall with the brick wall the opposing wall correct?

    Bingo!
    Political Correctness'.........defined

    "A doctrine fostered by a delusional, illogical minority and rabidly promoted by an unscrupulous mainstream media, which holds forth the proposition that it is entirely possible to pick up a t-u-r-d by the clean end."


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  • bigaltx24
    bigaltx24 Posts: 141
    edited January 2010
    I had some time over the last couple of days to experiment with placement. The results are pretty interesting. First test was against the sheetrock wall. They sounded much better than they did in the room they were in before, I was very limited as far as placement goes in the previous room. They sounded best 30'' from the end wall and 6'' away from the wall. Then I swapped them around and put then against the brick wall. The first thing I noticed was the bass had tightened up considerably. The second thing I noticed was a slight loss of SDA effect. Some of the stuff that sounds like it to the side or right in front of you was set back further in the soundstage. I also found that the sweet spot was was much wider. Just to confirm my observations, I swapped them around and repeated the procedure. The results were the same. I've got them against the brick wall right now and Van Morrison is sounding awfully good, I think I'll try them there for a while.
    Denon PMA-900V
    Linn Axis with Grado Red
    Cambridge Azur 650C
    Polk SDA-1BTL
  • treitz3
    treitz3 Posts: 19,215
    edited January 2010
    Interesting. How high are the ceilings?
    ~ In search of accurate reproduction of music. Real sound is my reference and while perfection may not be attainable? If I chase it, I might just catch excellence. ~
  • dorokusai
    dorokusai Posts: 25,577
    edited January 2010
    bigaltx24 wrote: »
    I had some time over the last couple of days to experiment with placement. The results are pretty interesting. First test was against the sheetrock wall. They sounded much better than they did in the room they were in before, I was very limited as far as placement goes in the previous room. They sounded best 30'' from the end wall and 6'' away from the wall. Then I swapped them around and put then against the brick wall. The first thing I noticed was the bass had tightened up considerably. The second thing I noticed was a slight loss of SDA effect. Some of the stuff that sounds like it to the side or right in front of you was set back further in the soundstage. I also found that the sweet spot was was much wider. Just to confirm my observations, I swapped them around and repeated the procedure. The results were the same. I've got them against the brick wall right now and Van Morrison is sounding awfully good, I think I'll try them there for a while.

    Fair enough, it's all about how they sound to you. You never know.
    CTC BBQ Amplifier, Sonic Frontiers Line3 Pre-Amplifier and Wadia 581 SACD player. Speakers? Always changing but for now, Mission Argonauts I picked up for $50 bucks, mint.
  • hoosier21
    hoosier21 Posts: 4,413
    edited January 2010
    bigaltx24 wrote: »
    I had some time over the last couple of days to experiment with placement. The results are pretty interesting. First test was against the sheetrock wall. They sounded much better than they did in the room they were in before, I was very limited as far as placement goes in the previous room. They sounded best 30'' from the end wall and 6'' away from the wall. Then I swapped them around and put then against the brick wall. The first thing I noticed was the bass had tightened up considerably. The second thing I noticed was a slight loss of SDA effect. Some of the stuff that sounds like it to the side or right in front of you was set back further in the soundstage. I also found that the sweet spot was was much wider. Just to confirm my observations, I swapped them around and repeated the procedure. The results were the same. I've got them against the brick wall right now and Van Morrison is sounding awfully good, I think I'll try them there for a while.

    tighter bass and a deeper soundstage, you have a winner
    Dodd - Battery Preamp
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    Sony DVP-NS999ES - SACD player
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    Crown K1 - Subwoofer amp
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    Where is the remote? Where is the $%#$% remote!

    "I've always been mad, I know I've been mad, like the most of us have...very hard to explain why you're mad, even if you're not mad..."
  • ben62670
    ben62670 Posts: 15,969
    edited January 2010
    Hey Russ Ima gonna play in the snow!
    Please. Please contact me a ben62670 @ yahoo.com. Make sure to include who you are, and you are from Polk so I don't delete your email. Also I am now physically unable to work on any projects. If you need help let these guys know. There are many people who will help if you let them know where you are.
    Thanks
    Ben