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by boostick4
Wed Mar 22, 2017 11:27 pm
Forum: Build Threads
Topic: Kyyul's Dual Tuba HT Build
Replies: 13
Views: 3103

Kyyul's Dual Tuba HT Build

I run a single EP4000 (and DCX) on 4 THTs with the Dayton HF driver with great results.

Definitely do not skip the crossover/EQ.

Don't be afraid to run a larger amp than those plate amps, just limit it properly, and enjoy the headroom. It sounds great!
by boostick4
Sat Jan 23, 2016 7:18 pm
Forum: Build Threads
Topic: 4XTHT With Dayton RSS390HF-4 15" @ 24" Wide
Replies: 10
Views: 2351

Re: 4XTHT With Dayton RSS390HF-4 15" @ 24" Wide

I didn't realize all of the individual picture comments don't show up in Tapatalk.... If you want to see them you have to go to Web View if you are using your mobile....
by boostick4
Sat Jan 23, 2016 5:59 pm
Forum: Build Threads
Topic: 4XTHT With Dayton RSS390HF-4 15" @ 24" Wide
Replies: 10
Views: 2351

Re: 4XTHT With Dayton RSS390HF-4 15" @ 24" Wide

They are currently powered by 1 EP4000 with these DCX settings. Still tweaking. I believe there is more to be had by adding a second EP4000 which I have but haven't hooked up yet. I borrowed my friend's OMNImic again but haven't had a chance to measure yet (new computer issues) and probably won't until I move the 2 to the other side of the room and the flooring is done. BUT, THEY ABSOLUTELY HAMMER!
They are currently powered by 1 EP4000 with these DCX settings. Still tweaking. I believe there is more to be had by adding a second EP4000 which I have but haven't hooked up yet. I borrowed my friend's OMNImic again but haven't had a chance to measure yet (new computer issues) and probably won't until I move the 2 to the other side of the room and the flooring is done. BUT, THEY ABSOLUTELY HAMMER!
They are currently powered by 1 EP4000 with these DCX settings. Still tweaking. I believe there is more to be had by adding a second EP4000 which I have but haven't hooked up yet. I borrowed my friend's OMNImic again but haven't had a chance to measure yet (new computer issues) and probably won't until I move the 2 to the other side of the room and the flooring is done. BUT, THEY ABSOLUTELY HAMMER!
They are currently powered by 1 EP4000 with these DCX settings. Still tweaking. I believe there is more to be had by adding a second EP4000 which I have but haven't hooked up yet. I borrowed my friend's OMNImic again but haven't had a chance to measure yet (new computer issues) and probably won't until I move the 2 to the other side of the room and the flooring is done. BUT, THEY ABSOLUTELY HAMMER!
They are currently powered by 1 EP4000 with these DCX settings. Still tweaking. I believe there is more to be had by adding a second EP4000 which I have but haven't hooked up yet. I borrowed my friend's OMNImic again but haven't had a chance to measure yet (new computer issues) and probably won't until I move the 2 to the other side of the room and the flooring is done. BUT, THEY ABSOLUTELY HAMMER!
They are currently powered by 1 EP4000 with these DCX settings. Still tweaking. I believe there is more to be had by adding a second EP4000 which I have but haven't hooked up yet. I borrowed my friend's OMNImic again but haven't had a chance to measure yet (new computer issues) and probably won't until I move the 2 to the other side of the room and the flooring is done. BUT, THEY ABSOLUTELY HAMMER!
They are currently powered by 1 EP4000 with these DCX settings. Still tweaking. I believe there is more to be had by adding a second EP4000 which I have but haven't hooked up yet. I borrowed my friend's OMNImic again but haven't had a chance to measure yet (new computer issues) and probably won't until I move the 2 to the other side of the room and the flooring is done. BUT, THEY ABSOLUTELY HAMMER!
They are currently powered by 1 EP4000 with these DCX settings. Still tweaking. I believe there is more to be had by adding a second EP4000 which I have but haven't hooked up yet. I borrowed my friend's OMNImic again but haven't had a chance to measure yet (new computer issues) and probably won't until I move the 2 to the other side of the room and the flooring is done. BUT, THEY ABSOLUTELY HAMMER!
by boostick4
Sat Jan 23, 2016 5:58 pm
Forum: Build Threads
Topic: 4XTHT With Dayton RSS390HF-4 15" @ 24" Wide
Replies: 10
Views: 2351

Re: 4XTHT With Dayton RSS390HF-4 15" @ 24" Wide

Current location of the 4 THTs. I will most likely move 2 of them to the side where the first THT is currently shown in this picture. And lay them both on their sides so they are kind of like giant end tables. We are getting all new flooring and painting soon so I haven't made wiring provisions in that corner yet. Our living room is very long (creating a somewhat unusable space where the THTs are) and open to the entire house.
Current location of the 4 THTs. I will most likely move 2 of them to the side where the first THT is currently shown in this picture. And lay them both on their sides so they are kind of like giant end tables. We are getting all new flooring and painting soon so I haven't made wiring provisions in that corner yet. Our living room is very long (creating a somewhat unusable space where the THTs are) and open to the entire house.
Made 1 prototype lexan front door just to see what it would look like with a scrap I had laying around. I like it and will have 4 identical ones machined soon.
Made 1 prototype lexan front door just to see what it would look like with a scrap I had laying around. I like it and will have 4 identical ones machined soon.
by boostick4
Sat Jan 23, 2016 5:57 pm
Forum: Build Threads
Topic: 4XTHT With Dayton RSS390HF-4 15" @ 24" Wide
Replies: 10
Views: 2351

Re: 4XTHT With Dayton RSS390HF-4 15" @ 24" Wide

Close up of exterior of the side doors. I recessed the terminal cup so the Speakon connectors wouldn't stick out beyond the side and be crushed when stacking the cabinets on their sides.
Close up of exterior of the side doors. I recessed the terminal cup so the Speakon connectors wouldn't stick out beyond the side and be crushed when stacking the cabinets on their sides.
Driver break-in time!
Driver break-in time!
One cab prior to driver and door assembly. Once the lexan doors are done I'd like to paint the chamber with an orange UV sensitive paint and put some 365nm LEDs on the back side of the front door flange (so you cant see them) and make the chamber glow. But we'll see.
One cab prior to driver and door assembly. Once the lexan doors are done I'd like to paint the chamber with an orange UV sensitive paint and put some 365nm LEDs on the back side of the front door flange (so you cant see them) and make the chamber glow. But we'll see.
Mouth side of the cabs, one with the front door removed.
Mouth side of the cabs, one with the front door removed.
All four assembled and in the same place the original THT was in the living room. Sorry for the crappy cellphone pictures. I'll get some better ones this spring/summer when I measure them outside.
All four assembled and in the same place the original THT was in the living room. Sorry for the crappy cellphone pictures. I'll get some better ones this spring/summer when I measure them outside.
by boostick4
Sat Jan 23, 2016 5:57 pm
Forum: Build Threads
Topic: 4XTHT With Dayton RSS390HF-4 15" @ 24" Wide
Replies: 10
Views: 2351

Re: 4XTHT With Dayton RSS390HF-4 15" @ 24" Wide

I used a floor jack (you can barely see it on top pressing against the floor joists) to press down on the cabs when I glued the sides on.
I used a floor jack (you can barely see it on top pressing against the floor joists) to press down on the cabs when I glued the sides on.
I decided late in the game to add a front door to the cabs with the intent of making them out of lexan so the driver would be visible. I still need to have these routed out, but made wood doors for now. The round hole you will see on the wood doors is a handle sealed with a 3" PVC cap PL'd into a groove.
I decided late in the game to add a front door to the cabs with the intent of making them out of lexan so the driver would be visible. I still need to have these routed out, but made wood doors for now. The round hole you will see on the wood doors is a handle sealed with a 3" PVC cap PL'd into a groove.
All sanded, edges rounded, and mouths Duratex'd prior to Duratexing the outside.
All sanded, edges rounded, and mouths Duratex'd prior to Duratexing the outside.
Side access doors glued, gasketed, painted, and wired ready for assembly.
Side access doors glued, gasketed, painted, and wired ready for assembly.
Outside of the side doors.
Outside of the side doors.
by boostick4
Sat Jan 23, 2016 5:57 pm
Forum: Build Threads
Topic: 4XTHT With Dayton RSS390HF-4 15" @ 24" Wide
Replies: 10
Views: 2351

Re: 4XTHT With Dayton RSS390HF-4 15" @ 24" Wide

Chisel and PL any knots that looked like they could rattle out.
Chisel and PL any knots that looked like they could rattle out.
I used laser templates for all doors and flanges to I wouldn't need to keep track of which door goes on which cab. This way they all fit all cabs. I used the Grizzley premium (purple) 1/2" flush trim bit in the router for all cuts, and its still sharp!
I used laser templates for all doors and flanges to I wouldn't need to keep track of which door goes on which cab. This way they all fit all cabs. I used the Grizzley premium (purple) 1/2" flush trim bit in the router for all cuts, and its still sharp!
I got quite the workout throwing these cabs around the shop.
I got quite the workout throwing these cabs around the shop.
Production!
Production!
I wanted to get a picture with all 4 of the cabs mirrored like this but unfortunately got ahead of myself and glued 2 sides on before I remembered I wanted to get that shot. Maybe next time :)
I wanted to get a picture with all 4 of the cabs mirrored like this but unfortunately got ahead of myself and glued 2 sides on before I remembered I wanted to get that shot. Maybe next time :)
by boostick4
Sat Jan 23, 2016 5:57 pm
Forum: Build Threads
Topic: 4XTHT With Dayton RSS390HF-4 15" @ 24" Wide
Replies: 10
Views: 2351

Re: 4XTHT With Dayton RSS390HF-4 15" @ 24" Wide

Clamp party.
Clamp party.
Clamp party.
Clamp party.
This is how I install all my hurricane nuts if possible. Press them in halfway by hand. Then PL under nut. Then drive all the way in with the arbor on my drill press. Then smear the PL squeeze out over the top of the nut making sure not to get any in the threads.
This is how I install all my hurricane nuts if possible. Press them in halfway by hand. Then PL under nut. Then drive all the way in with the arbor on my drill press. Then smear the PL squeeze out over the top of the nut making sure not to get any in the threads.
The big table really make clamping everything down easy.
The big table really make clamping everything down easy.
You can see here all of the knots I had to PL. I PL'd all edges too to prevent any delamination down the road.
You can see here all of the knots I had to PL. I PL'd all edges too to prevent any delamination down the road.
by boostick4
Sat Jan 23, 2016 5:56 pm
Forum: Build Threads
Topic: 4XTHT With Dayton RSS390HF-4 15" @ 24" Wide
Replies: 10
Views: 2351

Re: 4XTHT With Dayton RSS390HF-4 15" @ 24" Wide

Cutting panels to size.
Cutting panels to size.
"Quality" of the Auruco. You can see the large splits in this board. The 2011 wood didn't have anything like this in it. The 2013 wood had many parts that I had to work around or PL like crazy.
"Quality" of the Auruco. You can see the large splits in this board. The 2011 wood didn't have anything like this in it. The 2013 wood had many parts that I had to work around or PL like crazy.
All panels and door material for 4 THTs! Plus the clamping squares I had made. If I did it again I would have cut a series of 90DEG segments into the diagonal edge to offer more clamping locations.
All panels and door material for 4 THTs! Plus the clamping squares I had made. If I did it again I would have cut a series of 90DEG segments into the diagonal edge to offer more clamping locations.
Initial construction of all 4.
Initial construction of all 4.
Clamping squares worked out very well.
Clamping squares worked out very well.
by boostick4
Sat Jan 23, 2016 5:56 pm
Forum: Build Threads
Topic: 4XTHT With Dayton RSS390HF-4 15" @ 24" Wide
Replies: 10
Views: 2351

4XTHT With Dayton RSS390HF-4 15" @ 24" Wide

This build has been a long time coming. Back in 2011 I built my first THT with a Dayton RSS390HF-4 15" powered by a Behringer EP4000 and controlled with a Behringer DCX2496. I measured the response with a friend's OMNImic V2. I then compared the THT response to the same driver in a 7.5ft^3 seal...

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