Okay, while I'm waiting for my Tempest driver to show up, I notice that I have a 27" long piece of 24" wide sonotube laying around, so a lightbulb goes off in my head, and wonders if I dare make Sunosub III while I'm in the wait mode...
So here are the 2 plans that I've come up with, and I would like if we could come up with a consensus as to which plan would sound the best. To me the cost between the Shiva II and the Tempest is negligible ($25 difference). I'm using WinISD to model.
Plan A:
Driver: Shiva II (12")
Internal volume 5.7 ft^3
Internal height: 25" (1" of MDF endcap on each end).
Tune: 22Hz
Ports: Two 4" ports 21" long
F3: 21 Hz
Plan B:
Driver: Tempest (15")
Internal volume 5.7 ft^3
Internal height: 25" (1" of MDF endcap on each end).
Tune: 22Hz
Ports: Two 4" ports 21" long
F3: 23 Hz
The main trade-off of Plan A over Plan B is that I get 3dB more output with Plan B, but give up a little bit of low end (but I think this would still be really good for a HT sub).
I will be making a table top that's about 26" in diameter for this sub since it'll stand about 31-33" tall.
I'm leaning towards Plan B.
What say you?
PatCave; HT Pix;Gear;DIY Projects;DVDs; LDs
So here are the 2 plans that I've come up with, and I would like if we could come up with a consensus as to which plan would sound the best. To me the cost between the Shiva II and the Tempest is negligible ($25 difference). I'm using WinISD to model.
Plan A:
Driver: Shiva II (12")
Internal volume 5.7 ft^3
Internal height: 25" (1" of MDF endcap on each end).
Tune: 22Hz
Ports: Two 4" ports 21" long
F3: 21 Hz
Plan B:
Driver: Tempest (15")
Internal volume 5.7 ft^3
Internal height: 25" (1" of MDF endcap on each end).
Tune: 22Hz
Ports: Two 4" ports 21" long
F3: 23 Hz
The main trade-off of Plan A over Plan B is that I get 3dB more output with Plan B, but give up a little bit of low end (but I think this would still be really good for a HT sub).
I will be making a table top that's about 26" in diameter for this sub since it'll stand about 31-33" tall.
I'm leaning towards Plan B.
What say you?
PatCave; HT Pix;Gear;DIY Projects;DVDs; LDs
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