4 x SLA Pro, 1 x Wedgehorn 6 and 2 x Titan 39

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Tom Smit
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Re: 4 x SLA Pro, 1 x Wedgehorn 6 and 2 x Titan 39

#31 Post by Tom Smit » Mon Jul 30, 2018 11:37 pm

That's awesome!
I wanted to reply but the others had it covered. :clap:
TomS

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Bill Fitzmaurice
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Re: 4 x SLA Pro, 1 x Wedgehorn 6 and 2 x Titan 39

#32 Post by Bill Fitzmaurice » Tue Jul 31, 2018 6:53 am

binsley8112 wrote:
Mon Jul 30, 2018 9:20 pm
Ok I think I got it right this time. :)
+1, looks good, but I doubt you'll get through one service before someone points out that you set them up 'wrong'. :noob:

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James Champer
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Re: 4 x SLA Pro, 1 x Wedgehorn 6 and 2 x Titan 39

#33 Post by James Champer » Tue Jul 31, 2018 11:14 am

Bill Fitzmaurice wrote:
Tue Jul 31, 2018 6:53 am
+1, looks good, but I doubt you'll get through one service before someone points out that you set them up 'wrong'. :noob:
Haha, how true.

"It's not that they don't know anything, it's that they know so much that is untrue"
Authorized Bill Fitzmaurice Loudspeaker Builder - Indianapolis, IN

binsley8112
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Re: 4 x SLA Pro, 1 x Wedgehorn 6 and 2 x Titan 39

#34 Post by binsley8112 » Tue Jul 31, 2018 8:51 pm

Lol, well I'm armed with knowledge (much of which has been learned from these forums) and 4 great-sounding SLAs to silence the skeptics. :) I don't mind educating people when the opportunity presents itself. It's what we call "teachable moments." :)

Rich4349
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Re: 4 x SLA Pro, 1 x Wedgehorn 6 and 2 x Titan 39

#35 Post by Rich4349 » Thu Aug 02, 2018 8:58 am

binsley8112 wrote:
Mon May 07, 2018 5:46 pm
Tom Smit wrote:
Sun May 06, 2018 11:52 pm
You could bring a battery powered saw to the lumber yard (borrow one if needed) and use a straight edge as a guide. Make that first cut in each sheet, the width that you need for your parts.
I had considered that and have been asking around for a portable circular. No luck yet, but maybe they'll let me run an extension cord into the store. :D
A 100' heavy duty drop cord can be your friend in this case. (I used my 12 ga from my leaf vac to power mine at the local Menards.)
2 DR250s, 2 27" Lab15 T-60s, 2 30" Neo Titan 39s, 1 Autotuba...and looking for more!

johns811
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Re: 4 x SLA Pro, 1 x Wedgehorn 6 and 2 x Titan 39

#36 Post by johns811 » Thu Aug 02, 2018 2:20 pm

Great job on the build, how did you mount those grills. I'm in the process of making grills for my pros.
James Champer wrote:
Mon Jul 30, 2018 1:17 pm
Here is your visual OP:



SLA-Pro-orientation2.gif

.

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James Champer
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Re: 4 x SLA Pro, 1 x Wedgehorn 6 and 2 x Titan 39

#37 Post by James Champer » Thu Aug 02, 2018 4:29 pm

johns811 wrote:
Thu Aug 02, 2018 2:20 pm
Great job on the build, how did you mount those grills. I'm in the process of making grills for my pros.
James Champer wrote:
Mon Jul 30, 2018 1:17 pm
Here is your visual OP:
SLA-Pro-orientation2.gif
Oh, they're not mine, binsley8112 is the builder. :D
Authorized Bill Fitzmaurice Loudspeaker Builder - Indianapolis, IN

johns811
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Re: 4 x SLA Pro, 1 x Wedgehorn 6 and 2 x Titan 39

#38 Post by johns811 » Sun Aug 05, 2018 11:53 am

How did you mount the grills on the SLA Pros?

binsley8112
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Re: 4 x SLA Pro, 1 x Wedgehorn 6 and 2 x Titan 39

#39 Post by binsley8112 » Mon Aug 27, 2018 12:55 pm

Hey Johns, sorry for the delayed response. Haven't logged into the forum for a while. The grilles are made from 1/4" plywood, covered in acoustically transparent cloth using a typical spray adhesive. They're cut more less the same dimensions as the front baffle, so they stay in on their own (pressure fit).

binsley8112
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Re: 4 x SLA Pro, 1 x Wedgehorn 6 and 2 x Titan 39

#40 Post by binsley8112 » Thu May 16, 2019 12:01 am

It's been a while since I've updated this thread, but I wanted to post the final products. I got lazy and didn't bother taking any build pics... That, and the Titans and 2 of the 3 Wedgehorns were built by someone else, so what you see is what you get. :)

Now that everything is completed our system is comprised entirely of BFM cabs, including 4 SLA Pros, 3 Wedgehorn 6 monitors and 2 Titan 39s. I have to say I'm extremely impressed with the cabinets. I've already commented on the SLAs, but since then I've been able to tweak the EQ a bit more to get them sounding superb. The coverage is exactly as advertised - Fantastic horizontal dispersion with a tight vertical window. Sometimes I need to leave the sound booth to get a better listen to the mix, as even being elevated a couple feet of the ground at the back of the room affects the listening experience. A good sign I have them aimed properly, but also a sign that our sound booth isn't ideally positioned anymore. :)

The Wedgehorns are vocal powerhouses. I had a lot of fun listening to them in my basement, trying out different tracks and testing the off-axis response (which is superb, I must say). Like the SLAs, I was pleasantly surprised at the midbass output from them. Not expected, but always appreciated. :) They take up much less room on the stage than our old JBL monitors, weigh a fraction of the weight and have a wonderfully natural sound to them. I didn't even bother EQ-ing the Wedgehorns, as I don't think it's necessary.

The Titans... Sweet mother. I've never experienced vibrations like that before in the sound booth. Hard to believe all of that is coming from a pair of 12" drivers. We've had a single EV powered 18" sub and a single JBL AE series 15" sub in the past and the Titans eat both of them for lunch. We have them spaced out currently, firing into corners of the room on either side of the stage. Measurement across the room from wall to wall is about 57', so we're just a hair over the minimum recommended distance. When I initially fired them up it sounded like there were some phasing issues going on. I discovered that someone had wired the polarity on one of the Speakon connectors backwards, so once I fixed that there was a major improvement in coverage. I took some time to walk around the room tonight while playing music, and while there are a few "dull" and "hot" spots here and there, it's not too noticeable. I know it's ideal to V-cluster them, but the room setup makes that pretty difficult to pull off unless I put them up behind the stage.

The SLAs are currently running off a Crown XTi2000 in stereo mode, so each cab is getting around 400 watts RMS which seems to be a good match for the Alpha 6a drivers (not sure about the piezos/crossovers). Two of the Wedgehorns are running off a Behringer iNuke1000, and the third is connected to a free channel on our Crown XTi4000 (yikes). Don't worry, limiter set. :) The other channel on the XTi4000 powers the two Titans, sending each one about 550 watts RMS. We recently (and finally) upgraded to a Behringer x32 digital console, so we've been having a blast setting it up and messing around with all the features.

I think that about wraps it up for this project! It was a fun build and it's all the more rewarding when everything performs as good or better than expectations. Props to Bill for the designs. It's hard to get a grasp at just how intricate these boxes are until you build one. It's all worth the blood, sweat and tears though. :)

Thanks for viewing!
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