Resilient Sounds Onyx 15 D1
15″ subwoofer · dual 1 Ω · 2,500 W RMS
Fs 42.9 HzQts 0.23Vas 1.70 ft³Xmax 1.18″
Recommended box
For a sedan, one sub, 2,500 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
| Net volume | 1.32 ft³ (37.5 L) |
|---|---|
| Qtc | 0.34 |
| Fc | 65 Hz |
| F3 (−3 dB, no cabin gain) | 169 Hz |
| Example box (outside) | 16 15/16″ × 16 15/16″ × 12 3/16″ |
Ported
| Net volume | 2.30 ft³ (65 L) |
|---|---|
| Tuning (Fb) | 37 Hz |
| Port | slot 4 1/8 × 16 5/16″, 50 9/16″ long |
| Port velocity at 2,500 W | 68 ft/s |
| F3 (−3 dB, no cabin gain) | 155 Hz |
| Example box (outside) | 31 1/2″ × 17 11/16″ × 17 15/16″ |
Thiele/Small parameters
| Fs | 42.9 Hz |
|---|---|
| Qts | 0.23 |
| Qes | 0.25 |
| Qms | 2.48 |
| Vas | 1.70 ft³ |
| Re (one coil) | 1 Ω |
| Sd | 120.1 in² |
| Xmax | 1.18″ |
| Vd | 141.9 in³ calc. |
| Mms | 244 g calc. |
| BL | 16.2 T·m calc. |
| EBP | 172 — suits ported calc. |
| Sensitivity, 1 W / 1 m | 93.8 dB calc. |
General
| Size | 15″ |
|---|---|
| Voice coils | dual 1 Ω |
| RMS power | 2,500 W |
Mounting dimensions
| Cutout diameter | 13 11/16″ |
|---|---|
| Mounting depth | 9 3/4″ |
Cone area (Sd) calculated from Fs, Vas and Mms: 120.1 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 Resilient Sounds 15″ models
- Resilient Sounds Gold 15 D4 15″ · dual 4 Ω
- Resilient Sounds Platinum 15 D1 15″ · dual 1 Ω
- Resilient Sounds RS 15 D4 15″ · dual 4 Ω
- Resilient Sounds RS 15 V2 D4 15″ · dual 4 Ω
- Resilient Sounds Team 15 D1 15″ · dual 1 Ω