Resilient Sounds Gold 12 D4
12″ subwoofer · dual 4 Ω · 1,000 W RMS
Fs 26.7 HzQts 0.45Vas 1.94 ft³Xmax 1.10″
Recommended box
For a sedan, one sub, 1,000 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 | 0.88 ft³ (25 L) |
|---|---|
| Qtc | 0.80 |
| Fc | 48 Hz |
| F3 (−3 dB, no cabin gain) | 45 Hz |
| Example box (outside) | 14 9/16″ × 14 9/16″ × 11 5/16″ |
Ported
| Net volume | 2.90 ft³ (82 L) |
|---|---|
| Tuning (Fb) | 26 Hz |
| Port | slot 2 3/4 × 14 5/16″, 48 3/4″ long |
| Port velocity at 1,000 W | 64 ft/s |
| F3 (−3 dB, no cabin gain) | 24 Hz |
| Example box (outside) | 31 1/2″ × 15 3/4″ × 18 13/16″ |
Thiele/Small parameters
| Fs | 26.7 Hz |
|---|---|
| Qts | 0.45 |
| Qes | 0.49 |
| Qms | 5.15 |
| Vas | 1.94 ft³ |
| Re (one coil) | 4 Ω |
| Sd | 75.7 in² |
| Xmax | 1.10″ |
| Vd | 83.4 in³ calc. |
| Mms | 219 g calc. |
| BL | 17.3 T·m calc. |
| EBP | 54 — sealed or ported calc. |
| Sensitivity, 1 W / 1 m | 85.3 dB calc. |
General
| Size | 12″ |
|---|---|
| Voice coils | dual 4 Ω |
| RMS power | 1,000 W |
Mounting dimensions
| Cutout diameter | 11 1/4″ |
|---|---|
| Mounting depth | 8″ |
| Overall diameter | 12 3/4″ |
Cone area (Sd) calculated from Fs, Vas and Mms: 75.7 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 12″ models
- Resilient Sounds Onyx 12 D1 12″ · dual 1 Ω
- Resilient Sounds Platinum 12 D1 12″ · dual 1 Ω
- Resilient Sounds RS 12 D4 12″ · dual 4 Ω
- Resilient Sounds RS 12 V2 D4 12″ · dual 4 Ω