Radian's SLA Pro 4x6 build

Post your build odyssey here.
Message
Author
User avatar
Seth
Posts: 2731
Joined: Thu Sep 10, 2009 8:06 pm
Location: Sacramento, California, USA
Contact:

Re: Radian's SLA Pro 4x6 build

#31 Post by Seth »

Radian wrote: Tue Aug 04, 2020 2:39 pm Got the tweeters glued and screwed. Cured over night and have been running signal through them this morning.

One thing I noticed right away with the sound, they're holographic. Anyone else experience this? I mean, I'm hearing discernible layers of depth in the mixes...the kinda of Z-axis behavior I've experienced on Danley and Vandersteen stuff.. maybe not so "in-your face" obvious like them, but subtle and present no less... and that's simply using my Walkman or an iPad so far.

I haven't even broken out the good gear yet. :shock:

PiezoTweeter.JPG
The most noticeable part for me with the 2x6 SLA Pro's I built was way more detail in the highs than any other speaker we've used. Good because I'm hearing things I didn't before. And BAD because... I'm hearing things I didn't hear before. LOL Overall a good experience. I'd rather have the capability to hear everything I want. I can always filter out the undesirable elements. Which, in my case is increased sylibence... the "S's" (esses) really jump out.
Build in process - 2 WH6, one Alpha 6a loaded, one PRV Audio 6MB250-NDY loaded

Two 2x6 shorty SLA Pro's
One T39, 16", 3012LF loaded
Tall AutoTuba, 20" wide, 2x 8" MCM 55-2421
TruckTuba, 8½" wide, 2x 8" MCM 55-2421

User avatar
Radian
Posts: 2028
Joined: Tue Jul 29, 2008 12:56 pm
Location: Tucson, AZ

Re: Radian's SLA Pro 4x6 build

#32 Post by Radian »

I totally agree on the option to filter out. That's always a plus.

Although these certainly still require EQ to sound their best, it wouldn't take much at all to adjust. Here I have them playing straight off the iPad, no EQ applied... high-sensitivity FTW.

Careful with the volume near the end when the Metal track starts. It's more quiet at first which might tempt someone to turn it up, but I eventually stick the mic's right between the cabs which really spikes the level. :noob:

Just waiting for new grills to close this out, then it's on to T48's :twisted:
Good food, good people, good times.

4 - AT
1 - TT
1 - THT Slim
2 - SLA Pro 4x6 Alphalite

User avatar
Seth
Posts: 2731
Joined: Thu Sep 10, 2009 8:06 pm
Location: Sacramento, California, USA
Contact:

Re: Radian's SLA Pro 4x6 build

#33 Post by Seth »

Beautiful recording Radian, as usual :thumbsup:

What are the first two songs?
Build in process - 2 WH6, one Alpha 6a loaded, one PRV Audio 6MB250-NDY loaded

Two 2x6 shorty SLA Pro's
One T39, 16", 3012LF loaded
Tall AutoTuba, 20" wide, 2x 8" MCM 55-2421
TruckTuba, 8½" wide, 2x 8" MCM 55-2421

User avatar
Radian
Posts: 2028
Joined: Tue Jul 29, 2008 12:56 pm
Location: Tucson, AZ

Re: Radian's SLA Pro 4x6 build

#34 Post by Radian »

Thanks Seth!

First one is an upload from OmegaMetroid93:



and the second is a clip of Patti Broussard playing her Array Mbira:

Good food, good people, good times.

4 - AT
1 - TT
1 - THT Slim
2 - SLA Pro 4x6 Alphalite

User avatar
Radian
Posts: 2028
Joined: Tue Jul 29, 2008 12:56 pm
Location: Tucson, AZ

Re: Radian's SLA Pro 4x6 build

#35 Post by Radian »

Had a chance to fire up them up outside, paired with the Auto Tubas. iPhone audio is what it is..Would've loved to have shot with the better camera/mic, but it was too windy. It also didn't help that I am way off-axis as well. Biggest problem I had this time around was when I tried to normalize the audio the bass got waaayy too distorted...so it's a little more quiet than I had intended in order to preserve the response. In the shot where I'm across the street, the subs were only seeing 1.4V and the tops ~300 mV.

Grills came in yesterday from a 3rd party fabricator, but am once again sorting out another fitment issue. :(

Other than finishing out the T48's, I'm realizing that I'm gonna need a better method to organize cable storage, the rig needs a digital mixer (master volume), and that the K&M Tilt locks are a great idea on paper, but I think Nimrod's BT-12 might be in order.

Turn it way up.

Good food, good people, good times.

4 - AT
1 - TT
1 - THT Slim
2 - SLA Pro 4x6 Alphalite

User avatar
Radian
Posts: 2028
Joined: Tue Jul 29, 2008 12:56 pm
Location: Tucson, AZ

Re: Radian's SLA Pro 4x6 build

#36 Post by Radian »

Revisiting the custom replacement grills I received from Reliable Hardware.

I was worried at first because these grills fit significantly tighter than the ones I had formed at work, which dropped right in. However, once I figured out that they fit so tightly in the baffle that they required no further fastening than somewhat brutishly press-fitting them into place, I was relieved. :slap:

I finally got around to ordering another batch of grill foam too, and read up on how Mr. Weber tackled getting the material to stick well enough to the grills. Hopefully the undercoating method works better than the contact adhesive I had tried previously. We'll see. If no luck this time around, I'll use them sans foam. Fingers crossed, but even without the foam, the new grills look great!

I'll be posting the ones I made in the For Sale section once the foam is re-installed.
SLAProGrills1.JPG
SLAProGrills2.JPG
Last edited by Radian on Thu Jan 21, 2021 9:45 pm, edited 1 time in total.
Good food, good people, good times.

4 - AT
1 - TT
1 - THT Slim
2 - SLA Pro 4x6 Alphalite

User avatar
Radian
Posts: 2028
Joined: Tue Jul 29, 2008 12:56 pm
Location: Tucson, AZ

Re: Radian's SLA Pro 4x6 build

#37 Post by Radian »

Grills turned out better than I was expecting. Was biting my fingernails there during the cure.
SLAGrillClose.JPG
These SLA Pro are done now. Complimentary subs are currently in the works. :hyper:
SLAPro1.JPG
Good food, good people, good times.

4 - AT
1 - TT
1 - THT Slim
2 - SLA Pro 4x6 Alphalite

Bruce Weldy
Posts: 8301
Joined: Fri Nov 27, 2009 11:37 am
Location: New Braunfels, TX

Re: Radian's SLA Pro 4x6 build

#38 Post by Bruce Weldy »

They look great! Nice job....

6 - T39 3012LF
4 - OT12 2512
1 - T24
1 - SLA Pro
2 - XF210


"A system with a few knobs set up by someone who knows what they are doing is always better than one with a lot of knobs set up by someone who doesn't."

User avatar
Seth
Posts: 2731
Joined: Thu Sep 10, 2009 8:06 pm
Location: Sacramento, California, USA
Contact:

Re: Radian's SLA Pro 4x6 build

#39 Post by Seth »

Those came out sooooo good looking. Great job Radian :thumbsup:
Build in process - 2 WH6, one Alpha 6a loaded, one PRV Audio 6MB250-NDY loaded

Two 2x6 shorty SLA Pro's
One T39, 16", 3012LF loaded
Tall AutoTuba, 20" wide, 2x 8" MCM 55-2421
TruckTuba, 8½" wide, 2x 8" MCM 55-2421

User avatar
Tom Smit
Posts: 7457
Joined: Sat Jan 05, 2008 1:24 pm
Location: Sarnia, Ont. Canada

Re: Radian's SLA Pro 4x6 build

#40 Post by Tom Smit »

:clap: Fantastic work.
TomS

Grant Bunter
Posts: 6915
Joined: Mon Nov 28, 2011 11:12 am
Location: Ilfracombe Queensland Australia
Contact:

Re: Radian's SLA Pro 4x6 build

#41 Post by Grant Bunter »

They look great :)
Built:
DR 250: x 2 melded array, 2x CD horn, March 2012 plans.
T39's: 4 x 20" KL3010LF , 2 x 28" 3012LF.
WH8: x 6 with melded array wired series/parallel.
Bunter's Audio and Lighting "like"s would be most appreciated...

jemo1234567890
Posts: 43
Joined: Wed Jun 19, 2019 2:51 am
Location: Germany

Re: Radian's SLA Pro 4x6 build

#42 Post by jemo1234567890 »

Good job Radian 8) ,

how are your grills holding because I can't see any screw? Magnets?

Do you know which subs you will build for your SLAs?

User avatar
Radian
Posts: 2028
Joined: Tue Jul 29, 2008 12:56 pm
Location: Tucson, AZ

Re: Radian's SLA Pro 4x6 build

#43 Post by Radian »

Thanks all. Standing on the shoulders of giants here. Couldn't have done it without spending a ton of time in the Tips, Techniques, Suppliers section and checking out previous builds.
jemo1234567890 wrote: Fri Jan 22, 2021 7:15 am how are your grills holding because I can't see any screw? Magnets?
They are press-fit into place. The interference between the Line-X textured finish along the baffle and the vinyl coating of the grills is what's holding them. Rather tightly, I might add.
jemo1234567890 wrote: Fri Jan 22, 2021 7:15 am Do you know which subs you will build for your SLAs?
Titan 48's. I've got a build thread on them going already.
Good food, good people, good times.

4 - AT
1 - TT
1 - THT Slim
2 - SLA Pro 4x6 Alphalite

Post Reply