PSI Platform 1 10 D2
10″ subwoofer · dual 2 Ω · 750 W RMS
Fs 26.5 HzQts 0.51Vas 1.29 ft³Xmax 1.02″
Recommended box
For a sedan, one sub, 750 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 | 42 Hz |
| F3 (−3 dB, no cabin gain) | 39 Hz |
| Example box (outside) | 12 5/8″ × 12 5/8″ × 14 1/2″ |
Ported
| Net volume | 1.87 ft³ (53 L) |
|---|---|
| Tuning (Fb) | 27 Hz |
| Port | slot 1 3/4 × 14 5/16″, 45 9/16″ long |
| Port velocity at 750 W | 68 ft/s |
| F3 (−3 dB, no cabin gain) | 24 Hz |
| Example box (outside) | 31 1/2″ × 15 3/4″ × 12 3/4″ |
Thiele/Small parameters
| Fs | 26.5 Hz |
|---|---|
| Qts | 0.51 |
| Qes | 0.56 |
| Qms | 5.87 |
| Vas | 1.29 ft³ |
| Re (one coil) | 1.95 Ω |
| Sd | 48.1 in² |
| Xmax | 1.02″ |
| Vd | 49.2 in³ calc. |
| Mms | 134 g calc. |
| BL | 8.8 T·m calc. |
| EBP | 47 — suits sealed calc. |
| Sensitivity, 1 W / 1 m | 82.8 dB calc. |
General
| Size | 10″ |
|---|---|
| Voice coils | dual 2 Ω |
| RMS power | 750 W |
Mounting dimensions
| Cutout diameter | 9 3/8″ |
|---|---|
| Mounting depth | 6 1/8″ |
| Overall diameter | 11″ |
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.