Six weeks and 120 hours later, my 36" TubaHT Low Profile subwoofer is finished. I couldn't be happier with the results.
I used the Dayton RSS390HF-4 15" driver powered by a Behringer NX-6000 amp, and DSP'd using a MiniDSP 2x4HD. I used baltic birch plywood and finished it with Watco Natural Danish Oil.
I am impressed with how clean this subwoofer sounds. It blends seamlessly with my LaScala speakers. I also have an 18" Ultimax subwoofer in a sealed enclosure to add extension below 20hz for movie use.
I'm fortunate to have an understanding wife- given the monoliths now dominating our living room.
36" TubaHT Low Profile- Finished
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- Joined: Thu Nov 23, 2023 12:57 am
36" TubaHT Low Profile- Finished
'85 LaScalas
VTA ST-70 tube amp
Bluesound Node 2i
TubaHT LP, 36" width
18" Ultimax, sealed
VTA ST-70 tube amp
Bluesound Node 2i
TubaHT LP, 36" width
18" Ultimax, sealed
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- Posts: 10
- Joined: Thu Nov 23, 2023 12:57 am
Re: 36" TubaHT Low Profile- Finished
Eight more photographs:
'85 LaScalas
VTA ST-70 tube amp
Bluesound Node 2i
TubaHT LP, 36" width
18" Ultimax, sealed
VTA ST-70 tube amp
Bluesound Node 2i
TubaHT LP, 36" width
18" Ultimax, sealed
Re: 36" TubaHT Low Profile- Finished
Well done! Looks impeccable. Congrats on the completion 

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
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
- Bill Fitzmaurice
- Site Admin
- Posts: 28963
- Joined: Tue May 02, 2006 5:59 pm
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- Posts: 96
- Joined: Tue Aug 03, 2021 3:10 pm
Re: 36" TubaHT Low Profile- Finished
Looks really nice! Looking forward to your report on how it performs.