my "little" build

[revboden]

some pics from the sub i just built. It's in the testing phase right now so no paint or finish shots.

Oh yeah, you'll notice i didn't use the first set of bottom curve I made but since the process was the same i didn't bother with pics.

it's for a Dayton Audio RSS315HF-4 12" Reference HF Subwoofer 4 Ohm High Fidelity Reference Series in a 6ft^3 box tuned to 15Hz. after about two hours run in I took it for a spin, It is a beast. 12down is at ~12Hz 😀 and in room 2db down at 20Hz, at 105db/25Hz the port makes no extraneous noise, nada.

 

[revboden]

pt 2

 

[revboden]

pt 3

 

[revboden]

these are the concept cad nonsense. 😛

 

[geraldfryjr]

Very Cool!
I'll be tuned in to hear about your results as I am very interested in how that driver performs.
So far the specs I have seen so far are excelent!

jer 🙂

 

[Homeboydeluxe]

Very Impressive,

Excellent build quality, well done, How many watts are you powering it with? are you bothering with a HPF?

 

[revboden]

for now 300w, HP active at 16Hz. I deactivated the HP and there was no real improvement so for protection turned it back on. i love MiniDSP 🙂

 

[geraldfryjr]

Cool, Can you get some THD measurements or FFT charts for various levels and frequency sweep's?

jer 🙂

 

[camaudio]

Is that birch ply?

whats the treatment you used on the iside of the part?

 

[NEO Dan]

Looks nice!
Is this a single sheet of wood?

 

[revboden]

Camaudio, Yes it's birch. the inside of the port is lined with 4mm rubber (pond liner)

Neodan, no, it took 1.5 sheets

geraldfryjr, patience my good man. 😀

 

[geraldfryjr]

It's Okay,when you get to it. He,he

jer 🙂

 

[spellwords]

Looks familiar! lol

 

[geraldfryjr]

Any Updates ?

jer 🙂

 

[revboden]

Here's the in room. I'll take it outside tomorrow. 😛

the wife is home I had to keep it down 😀

edit: the graph with the two separate plots are near-field (6") in 2db increments.

 

[ODougbo]

That’s crazy results, good job!!

 

[revboden]

It's raining on my parade today. Electronics problems (clipping somewhere in the signal path, time to get out the scope) and it rained, literally. 🙁

 

[geraldfryjr]

WoW, Very cool !!!

Thank you,for taking the time to show us those tests. 🙂

I am definitely going to have too get four of those drivers!!

Thanks Again !!!
jer 🙂