Oris Electronics Lowkick LW-D2.12
12″ subwoofer · dual 2 Ω · 650 W RMS
Fs 34.9 HzQts 0.60Vas 0.76 ft³Xmax 0.59″
Recommended box
For a sedan, one sub, 650 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
| Net volume | 0.99 ft³ (28 L) |
|---|---|
| Qtc | 0.80 |
| Fc | 46 Hz |
| F3 (−3 dB, no cabin gain) | 43 Hz |
| Example box (outside) | 14 3/16″ × 14 3/16″ × 13 1/16″ |
Ported
| Net volume | 2.65 ft³ (75 L) |
|---|---|
| Tuning (Fb) | 26 Hz |
| Port | slot 2 3/8 × 14 5/16″, 45 3/4″ long |
| Port velocity at 650 W | 63 ft/s |
| F3 (−3 dB, no cabin gain) | 23 Hz |
| Example box (outside) | 31 1/2″ × 15 3/4″ × 16 15/16″ |
Thiele/Small parameters
| Fs | 34.9 Hz |
|---|---|
| Qts | 0.60 |
| Qes | 0.648 |
| Qms | 8.57 |
| Vas | 0.76 ft³ |
| Re (one coil) | 1.85 Ω |
| Sd | 70.1 in² |
| Xmax | 0.59″ |
| Vd | 41.4 in³ calc. |
| Mms | 280 g calc. |
| BL | 13.2 T·m calc. |
| EBP | 54 — sealed or ported calc. |
| Sensitivity, 1 W / 1 m | 83.5 dB calc. |
General
| Size | 12″ |
|---|---|
| Voice coils | dual 2 Ω |
| RMS power | 650 W |
Mounting dimensions
| Cutout diameter | ≈ 11 1/8″ |
|---|---|
| Mounting depth | ≈ 5 7/8″ |
Judging by its value, the published Re is for both coils in series — converted to per coil.
“≈” 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.