View Full Version : FS: Obsidian 3" coil D1 Ohm prototype

06-12-2012, 05:46 PM
1. Product:

15" Obsidian 3" coil D1 subwoofer.

2. Specs:

Re: 2.2 Ohm (coils wired in series)
Fs: 36.3 Hz
Qes: .65
Qms: 4.0
Qts: .65
Vas: 74.9 l
BL: 13.6
Mms: 235 g
Cms: 81.5
SPL: 89 dB
Le: 1.9 mH
Sd: 810 cm^2

3. Description/Condition:

This particular driver does use a short coil, tight gap, our high-roll stitched on rubber surround, paper cone, 8 3/8's nomex spider with double flat leads, cast basket, a triple 20mm tall x 184mm OD magnet slug configuration, and a large vented pole piece. This prototype works in the same size ported enclosures as our current 600 watt 15" woofers do. This particular prototype is rated at 1500 watts RMS.

4. Price: :

$300 plus shipping. If you are interested in this driver you will need to email me at [email protected]!

5. Item Pictures:



I am the co-owner of Obsidian Audio and owner of Stereo Integrity. If a mod wants to delete this thread because I don't have a picture of my name and date in the pictures there is nothing I can do. I promise I am a real person. :)

06-12-2012, 05:47 PM
You have 4? lol

BTW you are not a real person :fyi:

06-12-2012, 05:51 PM
how much for 2 picked up from your place :naughty:

06-12-2012, 07:40 PM
This is the only prototype that we have / is for sale. There is only this one 15.

06-12-2012, 07:53 PM
Well, that is not fair lol.

I'm sure it will find a good home. Looks like a beast.

06-12-2012, 07:55 PM
i wish u kept SI alive more :(

06-12-2012, 09:43 PM
Me too. Mfg what I want to build is becoming harder and harder. :(

06-12-2012, 09:49 PM

06-12-2012, 10:33 PM
250 shipped? got cash ready

06-12-2012, 11:54 PM
No. Price is listed in the original post. No negotiating, no trades.