Tweaking my sound setup

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rickryan.com

rickryan.com

DJ Extraordinaire
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Dec 9, 2009
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At my venue, I have a pair of QSC K10s mounted on the wall, behind the head table. I've had the subs at either end of the table, about 12 feet apart. Just experimenting, I shifted the subs back against the wall, behind the table and facing each other, about 6 feet between them. I'm completely amazed at the difference in sound. I had the subs at 75% but had to pull them back to 50% and they still pound hard. Actually sounds like they're hitting deeper, more like 18s. Better definition and overall much more bottom end going on with this setup. Just thought I'd share the results and invite discussion.
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That's got to be painful for the folks at the head table in that spot. I personally wouldn't face them like that .. the lobing and power alleys you create will be significant if you measure out the room.
 
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steve149 said:
That's got to be painful for the folks at the head table in that spot. I personally wouldn't face them like that .. the lobing and power alleys you create will be significant if you measure out the room.
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I don't think it's really an issue because, while the B&G are seated, music is on low volume. It won't get cranked until they've long left their seats and joined their guests. As for power alleys, I didn't really notice anything bad. Yes, there's more bass in the middle of the dance floor, but that's a good thing IMHO. I've also got a love seat on the other side of the room and it sounds wonderful from over there.
 
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Why not cut 2 holes in the wall near the floor under the hanging K12s, put the subs on the outside of the wall and frame some boxes to hold/ptotect them. Put a nice louvered grill over the hole .. et voila ..
 
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steve149 said:
Why not cut 2 holes in the wall near the floor under the hanging K12s, put the subs on the outside of the wall and frame some boxes to hold/ptotect them. Put a nice louvered grill over the hole .. et voila ..
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Let me see, I'd have to pour a concrete slab, build boxing around, seal/insulate and then I'd have the perfect haven for snakes/rats. No thank you.
 
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rickryan.com said:
Let me see, I'd have to pour a concrete slab, build boxing around, seal/insulate and then I'd have the perfect haven for snakes/rats. No thank you.
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Aesthetics are key ... :)
 
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I think in time you will find that you will get some feedback from that placement and complaints from the head table. You'll also have spilled drinks on them. At the very least I would have the subs on a kill switch at least for speeches and dinner
 
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Why not cut 2 holes in the wall near the floor under the hanging K12s, put the subs on the outside of the wall and frame some boxes to hold/ptotect them. Put a nice louvered grill over the hole .. et voila ..

Build them into a room divider that has wheels on the bottom and a planter on top. Then you can move them and use them anywhere in the room whether it's for sound, setup, or decor.

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rickryan.com said:
At my venue, I have a pair of QSC K10s mounted on the wall, behind the head table. I've had the subs at either end of the table, about 12 feet apart. Just experimenting, I shifted the subs back against the wall, behind the table and facing each other, about 6 feet between them. I'm completely amazed at the difference in sound. I had the subs at 75% but had to pull them back to 50% and they still pound hard. Actually sounds like they're hitting deeper, more like 18s. Better definition and overall much more bottom end going on with this setup. Just thought I'd share the results and invite discussion.
View attachment 51631
View attachment 51632
Click to expand...


What about the corners of that wall? Anyway to corner mount the k10's and subs? Also I know that you are in the process of working on the place, but any plans to tidy up the wires overhead? The place really seems to have great potential.

With the speakers set up like in the pictures would they be firing toward the DJ? Where would the DJ be set up in this room?
 
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Look at the difference between the white downlight and all the other fixtures, including the speakers. I'd be attacking everything, including the wiring, with cans of white spray paint.
 
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Handinon said:
Look at the difference between the white downlight and all the other fixtures, including the speakers. I'd be attacking everything, including the wiring, with cans of white spray paint.
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And the wrinkles with a portable steamer
 
Y'all chill about the nit-picking. Yes, there's still lots of little things to knock out but it's working. Just sent out another contract today and just got paid the balance on my 10/3 event (that helped). As for mounting, I'm not sure what you mean "the corners of the walls". That wall is 90ft long, with dance floor in the center. I've got the speakers split about 14 feet apart (the columns are 10ft) and mostly concentrated on the dance floor. The DJ booth is about 25 ft to the right, back near the corner. I chose to disconnect myself from the dance floor and am very pleased with the configuration. It works very well and is tucked out of the way.
 
Choose ONE decor and stick with it. Presently, every clever idea you've ever witnessed has been forced upon this very simple building. You have paneling vs. Corinthian column vs. fabric vs. roller rink speakers and lights.

Define the problem:
  • 1.) Two things you are stuck with - the floor and the ceiling.
  • 2.) In between them are the walls.
The best decor will be whatever wall treatment successfully ties that concrete floor to an unfinished ceiling.

When posed as a problem the definition of elegant is: pleasingly ingenious and simple.

Remove all of the sound and DJ lights and go back to setting them up as a mobile gig. It offers more room options, looks cleaner, and enhances the space for events without entertainment or those who bring in their own band/DJ. Selling a VENUE. (Your current approach still screams "DJ.")

Create a great event space first, and sell that.
If they still need a DJ - let that be an add-on rather than the first thing that stands out about the place.
 
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Proformance said:
Choose ONE decor and stick with it. Presently, every clever idea you've ever witnessed has been forced upon this very simple building. You have paneling vs. Corinthian column vs. fabric vs. roller rink speakers and lights.

Define the problem:
  • 1.) Two things you are stuck with - the floor and the ceiling.
  • 2.) In between them are the walls.
The best decor will be whatever wall treatment successfully ties that concrete floor to an unfinished ceiling.

When posed as a problem the definition of elegant is: pleasingly ingenious and simple.

Remove all of the sound and DJ lights and go back to setting them up as a mobile gig. It offers more room options, looks cleaner, and enhances the space for events without entertainment or those who bring in their own band/DJ. Selling a VENUE. (Your current approach still screams "DJ.")

Create a great event space first, and sell that.
If they still need a DJ - let that be an add-on rather than the first thing that stands out about the place.
Click to expand...

Thanks, no.

It's selling. My schtick is working. I'm going to continue on the same path and keep working it, bit by bit.
 
To avoid destructive interference between the subs, they need to be closer than 1/4 wavelength, or further apart than 2 wavelengths. At typical sub frequencies, that means within 2.5ft or more than 56ft apart. NEVER have subs between 2.5 & 8ft of a wall -- that will notch filter out part of the response.

Move them to have about 6" between the front faces, with the sides within 6" of the rear wall. That placement will give the best overall response.

Keep in mind that subs are "omnidirectional" in two different senses. First, the lower frequencies radiate in all directions roughly equally. Second, humans can not tell the direction that sub frequencies are coming from.

If directly behind the head table is not a good position, then place BOTH of the subs under one of the speakers, still within 6" of the wall.
 
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rickryan.com said:
At my venue, I have a pair of QSC K10s mounted on the wall, behind the head table. I've had the subs at either end of the table, about 12 feet apart. Just experimenting, I shifted the subs back against the wall, behind the table and facing each other, about 6 feet between them. I'm completely amazed at the difference in sound. I had the subs at 75% but had to pull them back to 50% and they still pound hard. Actually sounds like they're hitting deeper, more like 18s. Better definition and overall much more bottom end going on with this setup. Just thought I'd share the results and invite discussion.
View attachment 51631
View attachment 51632
Click to expand...
All I immediately see in this pic is are tables that are just inviting people to sit drinks on.
 
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How far from the head table chairs? It looks as though there is not enough space from them and the head table. Many complaints from those seated at head table when the music is played? Talking about subwoofers.
 
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TwinSpinDJ said:
How far from the head table chairs? It looks as though there is not enough space from them and the head table. Many complaints from those seated at head table when the music is played? Talking about subwoofers.
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So far, no complaints. Keep in mind, while the B&G are sitting, the music is low volume. Music doesn't get cranked until later, when the head table is empty. I moved those subs closer together, about 6" between them. It sounds great.
 
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