VM Audio ECW100
10″ subwoofer · dual 4 Ω · 1,300 W RMS
| Source | web.archive.org · manufacturer data |
|---|---|
| Checked against source | October 2026 |
| Thiele/Small parameters | not in the spec sheet: Xmax — typical value for the size used |
| Mounting dimensions | 2 of 4 — missing: frame outer diameter, magnet diameter; the designer will use an estimate |
Recommended box
For a sedan, one sub, 1,300 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) | Dry and tight · 0.52 |
|---|---|
| Fc | 59 Hz |
| F3 (−3 dB, no cabin gain) | 89 Hz |
| Example box (outside) | 12 3/16″ × 12 3/16″ × 9 11/16″ |
Ported
deeper, louder| Tuning (Fb) | 39 Hz |
|---|---|
| Port | slot 2 9/16 × 14 5/16″, 41 13/16″ long |
| Port velocity at 1,300 W | 74 ft/s |
| F3 (−3 dB, no cabin gain) | 35 Hz |
| Example box (outside) | 24 13/16″ × 15 3/4″ × 14 3/8″ |
Deeper: 0.88 ft³ (25 L) tuned to 36 Hz, 16 1/4″ × 15 3/4″ × 9 5/8″ 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 | 10″ |
|---|---|
| Voice coils | dual 4 Ω |
| RMS power | 1,300 W |
| Fs | 40 Hz |
| Qts | 0.35 |
| Qes | 0.39 |
| Qms | 3.6 |
| Vas | 0.59 ft³ |
| Re (one coil) | 3.65 Ω |
|---|---|
| Sd | 46.5 in² |
| Xmax | ≈ 0.39″ |
| Mms | 121 g calc. |
| BL | 16.9 T·m calc. |
| EBP | 103 — suits ported calc. |
| Sensitivity, 1 W / 1 m | 86.4 dB calc. |
Mounting dimensions
| Cutout diameter | 8 15/16″ |
|---|---|
| Mounting depth | 7 3/16″ |
Cone area (Sd) calculated from Fs, Vas and Mms: 46.5 in².
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.
Data sources
Other VM Audio 10″ models
- VM Audio EXW10 10″ · dual 4 Ω
- VM Audio SRW10 10″ · dual 4 Ω
Similar 10″ subwoofers from other brands
Close in Fs, Qts and Vas — a box of similar volume will suit them.
- AMPIRE BOLD104 0.48 ft³ sealed · 1.52 ft³ ported
- Machete ML-10S D2 0.49 ft³ sealed · 0.85 ft³ ported
- Resilient Sounds RS 10 V2 D4 0.46 ft³ sealed · 1.52 ft³ ported
- Orion HCCA 10D 0.46 ft³ sealed · 1.48 ft³ ported
- AMPIRE BOLD102 0.48 ft³ sealed · 1.52 ft³ ported
- ESX QE1022 (2x2 Ohm) 0.46 ft³ sealed · 1.52 ft³ ported
FAQ
What box does the VM Audio ECW100 need?
Recommended net volume: 0.49 ft³ sealed, 1.38 ft³ ported tuned to 39 Hz — for one sub in a sedan at 1,300 W. Fit the box to your space and amp in the free calculator, with plans and a cut sheet.
What are the VM Audio ECW100 Thiele/Small specs?
Fs 40 Hz, Qts 0.35, Vas 0.59 ft³, Sd 46.5 in².
What is the VM Audio ECW100 mounting depth?
Mounting depth is 7 3/16″, cutout diameter 8 15/16″. The inside depth of the box must exceed the mounting depth by at least 1″.
How much power does the VM Audio ECW100 handle and how do I wire it?
RMS power rating: 1,300 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.