Fi Audio SSD12 Build Project - Home Theater Forum and Systems - HomeTheaterShack.com

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post #1 of 27 Old 10-25-07, 05:22 PM Thread Starter
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Fi Audio SSD12 Build Project

The time has come for me to build another subwoofer!!! This one is for a friend of mine. I'm stoked!!! This will be essentially the same concept as my subwoofer seen here.

http://www.hometheatershack.com/foru...-feedback.html

Here is the plan so far. I will be using a Fi Audio SSD12 with dual 2ohm VC and an O-Audio 500W Bash amp. The box will be roughly 4.25 net cu.ft. and tuned to the 18-19Hz range. This one will also have an up facing driver The ports will either be in the top face or on one of the short side walls.

Comments/Suggestions about the hardware????
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post #2 of 27 Old 10-25-07, 05:54 PM
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Re: Well...I'm at it again!!!

I'll be looking forward to your progress reports...

I also moved this to the Fi Audio forum, but I left a redirect from the other forum in place for 30 days.
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post #3 of 27 Old 10-25-07, 05:55 PM
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Re: Well...I'm at it again!!!

Sounds good. Make sure to post some build pics.
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post #4 of 27 Old 10-25-07, 09:59 PM
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Re: Well...I'm at it again!!!

Do you already have the SSD12? If not, FiAudio may still have some of these X-series drivers left.

http://www.audiojunkies.com/blog/712

A pair of 12" X-series drivers for $160 shipped! Those in 8ft^3, VCs in series, drivers in parallel, tuned to 20Hz with 3 4" ports and hooked up to that Oaudio amp with the SSF set to 20Hz. Yeah, that'd work.
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post #5 of 27 Old 10-26-07, 05:24 AM Thread Starter
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Re: Well...I'm at it again!!!

Thanks for the suggestion, but I definately don't have room for two 12"s. Maybe two 10"s, but they didn't model quite as well as a single SSD12". That does look like a good deal though!!!
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post #6 of 27 Old 11-03-07, 03:32 PM
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Re: Well...I'm at it again!!!

Plenty of X series drivers left. If anyone is interested in them I can post up info about them and even give a little further of a discount for the HTS forum members.
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post #7 of 27 Old 11-08-07, 09:56 AM
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Re: Well...I'm at it again!!!

^ These sound interesting, I would like more info.
post #8 of 27 Old 11-09-07, 08:55 AM
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Re: Well...I'm at it again!!!

The X series drivers were designed as our "entry level" car audio sub. They have 16mm of Xmax and 250W RMS power handling. They come only in dual 4 Ohm coil configurations so they can be wired for a single 8 Ohm load per driver or in pairs for a single 4 Ohm load.

As they were car oriented they tend to push for EBS alignments in most home applications. They make for a nice home sub, but not particularly a ultra deep HT sub.
There have been a couple of people that have done 6 cuft enclosures tuned to 23 Hz for home/music use using some of the common plate amps out there. As many have a SSF set to around 20 Hz it seems to work well overall.

Specs for the X12 are:
Fs 25.7
Re 3.9 Ohms per coil
Qms 4.01
Qes .38
Qts .35
Sd 481 cm^2
Vas 104.1 l
Xmax 16mm
BL 20
Spl 88.6 1W/1m
250W RMS

Specs for the X10 are:
Fs 25.9 Hz
Re 3.9 Ohms per coil
Qms 3.90
Qes .35
Qts .32
Sd 310 cm^2
Vas 45.7 l
Xmax 16mm
Bl 20
Spl 85.4 1W/1m
250 W RMS

Both work well in mid/low 20 Hz builds in medium enclosures. They are well suited for music applications, but not as well for ultra deep HT setups. You could make some decently compact mid 20s tuned music/computer subs with them as well.

Ill see if I cant get some multi driver deals going if people want them as well...
Thanks,
Scott
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post #9 of 27 Old 12-03-07, 07:23 AM Thread Starter
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Re: Well...I'm at it again!!!

Sorry for the wait. The holidays are always a busy time of year. We finished the sub and I will be tuning it this weekend once the rest of his speakers show up.











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post #10 of 27 Old 12-03-07, 08:20 AM
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Re: Well...I'm at it again!!!

That's a good looking sub, Matt! What finish did you use on the cabinet?
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