Elemental Designs e12O.44
12″ subwoofer · dual 4 Ω · 500 W RMS
| Source | web.archive.org · manufacturer data |
|---|---|
| Checked against source | October 2026 |
| Thiele/Small parameters | complete |
| Mounting dimensions | 1 of 4 — missing: cutout, mounting depth, magnet diameter; the designer will use an estimate |
Recommended box
For a sedan, one sub, 500 W. It’s the same math as the designer’s step-by-step mode, where you can fit the box to your space, vehicle and amp and get plans, a cut sheet and DXF.
Sealed
smaller, tighter| Bass character (Qtc) | Tight and punchy · 0.80 |
|---|---|
| Fc | 47 Hz |
| F3 (−3 dB, no cabin gain) | 44 Hz |
| Example box (outside) | 14 9/16″ × 14 9/16″ × 14 1/8″ |
Ported
deeper, louder| Tuning (Fb) | 31 Hz |
|---|---|
| Port | slot 1 9/16 × 14 5/16″, 36 1/2″ long |
| Port velocity at 500 W | 52 ft/s |
| F3 (−3 dB, no cabin gain) | 31 Hz |
| Example box (outside) | 31 1/2″ × 15 3/4″ × 10 3/4″ |
Deeper: 2.79 ft³ (79 L) tuned to 29 Hz, 31 1/2″ × 15 3/4″ × 15 3/8″ outside — a bigger box with flatter deep bass. Open in the calculator
Projects with this subwoofer
Boxes that users designed and published: plans, cut sheet and response graph.
Thiele/Small parameters
| Size | 12″ |
|---|---|
| Voice coils | dual 4 Ω |
| RMS power | 500 W |
| Fs | 28.6 Hz |
| Qts | 0.49 |
| Qes | 0.57 |
| Qms | 3.56 |
| Vas | 1.94 ft³ |
| Re (one coil) | 2.39 Ω |
|---|---|
| Sd | 72.1 in² |
| Xmax | 0.72″ |
| Vd | 51.9 in³ calc. |
| Mms | 172 g calc. |
| BL | 11.4 T·m calc. |
| EBP | 50 — sealed or ported calc. |
| Sensitivity, 1 W / 1 m | 85.5 dB calc. |
Mounting dimensions
| Cutout diameter | ≈ 11 1/4″ |
|---|---|
| Mounting depth | ≈ 5 7/8″ |
| Overall diameter | 12 1/2″ |
“≈” means the value isn’t in the spec sheet and a typical value for the size is used; “calc.” means it’s calculated from the published parameters. Check the manufacturer’s spec sheet before you build.
Data sources
Other Elemental Designs 12″ models
- Elemental Designs 13Kv.2 12″ · DVC
- Elemental Designs 13Ov.2 12″ · DVC
- Elemental Designs e3.12 12″ · dual 2 Ω
- Elemental Designs e5.12 12″ · dual 2 Ω
- Elemental Designs E12a (2002) 12″ · DVC
- Elemental Designs e12A (2003) 12″
- Elemental Designs E12k (2002) 12″
- Elemental Designs e12K (2003) 12″ · DVC
- Elemental Designs e12kd4 12″ · DVC
- Elemental Designs E12o 12″ · DVC
- Elemental Designs e12O.14 12″ · 4 Ω
Similar 12″ subwoofers from other brands
Close in Fs, Qts and Vas — a box of similar volume will suit them.
- JBL S3-1224 (SSI 2 ohm) 1.02 ft³ sealed · 1.55 ft³ ported
- Audiofrog GB12D2 1.20 ft³ sealed · 1.62 ft³ ported
- Hifonics ZXS12D2 1.13 ft³ sealed · 1.66 ft³ ported
- JBL S3-1224 / Stadium 1224 (SSI 4 ohm) 0.99 ft³ sealed · 1.48 ft³ ported
- Rockford Fosgate Power T1D212 1.45 ft³ sealed · 1.59 ft³ ported
- Audiofrog GB12D4 1.38 ft³ sealed · 1.80 ft³ ported
FAQ
What box does the Elemental Designs e12O.44 need?
Recommended net volume: 1.17 ft³ sealed, 1.55 ft³ ported tuned to 31 Hz — for one sub in a sedan at 500 W. Fit the box to your space and amp in the free calculator, with plans and a cut sheet.
What are the Elemental Designs e12O.44 Thiele/Small specs?
Fs 28.6 Hz, Qts 0.49, Vas 1.94 ft³, Xmax 0.72″, Sd 72.1 in².
How much power does the Elemental Designs e12O.44 handle and how do I wire it?
RMS power rating: 500 W. Dual 4 Ω voice coils: series gives 8 Ω, parallel gives 2 Ω at the amp. Wiring for several subs and amp power — in the wiring calculator.