Resilient Sounds Gold 8 D2
8″ subwoofer · dual 2 Ω · 1,000 W RMS
Fs 49.5 HzQts 0.38Vas 0.11 ft³Xmax 0.75″
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 | 0.37 ft³ (10.5 L) |
|---|---|
| Qtc | 0.43 |
| Fc | 56 Hz |
| F3 (−3 dB, no cabin gain) | 108 Hz |
| Example box (outside) | 10 5/8″ × 10 5/8″ × 9 11/16″ |
Ported
| Net volume | 0.60 ft³ (17 L) |
|---|---|
| Tuning (Fb) | 28 Hz |
| Port | slot 1 15/16 × 14 5/16″, 155 13/16″ long |
| Port velocity at 1,000 W | 47 ft/s |
| F3 (−3 dB, no cabin gain) | 93 Hz |
| Example box (outside) | 31 1/2″ × 15 3/4″ × 15 1/4″ |
The volume and tuning are the recommendation, but the port doesn’t fit this example box. Size the box and port in the designer.
Open ported box in designerThiele/Small parameters
| Fs | 49.5 Hz |
|---|---|
| Qts | 0.38 |
| Qes | 0.43 |
| Qms | 3.35 |
| Vas | 0.11 ft³ |
| Re (one coil) | 2 Ω |
| Sd | 31 in² |
| Xmax | 0.75″ |
| Vd | 23.2 in³ calc. |
| Mms | 189 g calc. |
| BL | 16.5 T·m calc. |
| EBP | 115 — suits ported calc. |
| Sensitivity, 1 W / 1 m | 81.4 dB calc. |
General
| Size | 8″ |
|---|---|
| Voice coils | dual 2 Ω |
| RMS power | 1,000 W |
Mounting dimensions
| Cutout diameter | 7 5/16″ |
|---|---|
| Mounting depth | 7 1/8″ |
Cone area (Sd) calculated from Fs, Vas and Mms: 31 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 8″ models
- Resilient Sounds Gold 8 D4 8″ · dual 4 Ω
- Resilient Sounds RS 8 V2 D4 8″ · dual 4 Ω