Elemental Designs 19Ov.2
18″ subwoofer · DVC · 650 W RMS
The Elemental Designs 19Ov.2 is a 18″ subwoofer. With Qts 0.35 and EBP 70 it works both sealed and ported: sealed is tighter and smaller, ported is deeper and louder.
| Source | web.archive.org · manufacturer data |
|---|---|
| Checked against source | October 2026 |
| Thiele/Small parameters | complete |
| Mounting dimensions | 3 of 4 — missing: magnet diameter; the designer will use an estimate |
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
smaller, tighter| Bass character (Qtc) | Tight and punchy · 0.80 |
|---|---|
| Fc | 59 Hz |
| F3 (−3 dB, no cabin gain) | 57 Hz |
| Example box (outside) | 19 11/16″ × 19 11/16″ × 12 15/16″ |
Ported
deeper, louder| Tuning (Fb) | 30 Hz |
|---|---|
| Port | slot 2 3/8 × 19 1/16″, 18 3/4″ long |
| Port velocity at 650 W | 63 ft/s |
| F3 (−3 dB, no cabin gain) | 31 Hz |
| Example box (outside) | 31 1/2″ × 20 1/2″ × 20 11/16″ |
Deeper: 6.07 ft³ (172 L) tuned to 31 Hz, 31 1/2″ × 20 1/2″ × 22 5/16″ 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 | 18″ |
|---|---|
| Voice coils | DVC |
| RMS power | 650 W |
| Fs | 26 Hz |
| Qts | 0.35 |
| Qes | 0.37 |
| Qms | 7.5 |
| Vas | 8.05 ft³ |
| Re (one coil) | 3.5 Ω |
|---|---|
| Sd | 186 in² |
| Xmax | 0.87″ |
| Vd | 161.1 in³ calc. |
| Mms | 335 g calc. |
| BL | 22.8 T·m calc. |
| EBP | 70 — sealed or ported calc. |
| Sensitivity, 1 W / 1 m | 92.4 dB calc. |
Mounting dimensions
| Cutout diameter | 16 3/8″ |
|---|---|
| Mounting depth | 9 5/8″ |
| Overall diameter | 18 3/8″ |
“≈” 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
- web.archive.org/web/20090206175829/http://www.edesignaudio.com/pdf/19ov_2.pdf
- web.archive.org/web/20101230175248/http://www.edesignaudio.com/product_info.php?
Similar 18″ subwoofers from other brands
Close in Fs, Qts and Vas — a box of similar volume will suit them.
- PSI Platform 3 18 D2 1.89 ft³ sealed · 5.65 ft³ ported
- Resilient Sounds Platinum 18 D1 2.14 ft³ sealed · 5.30 ft³ ported
- Dayton Audio SS18-22 2.22 ft³ sealed · 5.44 ft³ ported
- URAL Patriot 18 (2+2) 1.62 ft³ sealed · 5.33 ft³ ported
- Crescendo Audio Contralto 18 D1 2.31 ft³ sealed · 5.33 ft³ ported
- Resilient Sounds Team 18 D1 3.13 ft³ sealed · 5.30 ft³ ported
- Eros E-18 SDS 2.7K 1.70 ft³ sealed · 5.51 ft³ ported
FAQ
What box does the Elemental Designs 19Ov.2 need?
Recommended net volume: 1.94 ft³ sealed, 5.51 ft³ ported tuned to 30 Hz — for one sub in a sedan at 650 W. Fit the box to your space and amp in the free calculator, with plans and a cut sheet.
What are the Elemental Designs 19Ov.2 Thiele/Small specs?
Fs 26 Hz, Qts 0.35, Vas 8.05 ft³, Xmax 0.87″, Sd 186 in².
What is the Elemental Designs 19Ov.2 mounting depth?
Mounting depth is 9 5/8″, cutout diameter 16 3/8″. The inside depth of the box must exceed the mounting depth by at least 1″.
How much power does the Elemental Designs 19Ov.2 handle and how do I wire it?
RMS power rating: 650 W. Wiring for several subs and amp power — in the wiring calculator.
Is the Elemental Designs 19Ov.2 better sealed or ported?
EBP 70: both work — sealed 1.94 ft³ is tighter and smaller, ported 5.51 ft³ tuned to 30 Hz is deeper and louder.
What port does the Elemental Designs 19Ov.2 need?
For the 5.51 ft³ ported box tuned to 30 Hz: slot 2 3/8 × 19 1/16″, 18 3/4″ long, area 45 in²; or a round port Ø7 9/16″, ≈ 18 3/4″ long. Port air speed at 650 W: 63 ft/s.
What box do two Elemental Designs 19Ov.2 subs need?
Two subs need twice the volume: 3.88 ft³ sealed, or 11.02 ft³ ported at the same 30 Hz tuning with twice the port area. One shared chamber or one per sub — whatever fits your vehicle.