Pyle PLBW154
15″ subwoofer
Fs 30 HzQts 0.77Vas 5.10 ft³
The published specs don’t add up:
- The spec sheet's Qts 0.7 doesn't match its Qes and Qms (they give 0.77).
Recommended box
For a sedan, one sub, 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
| Net volume | 2.83 ft³ (80 L) |
|---|---|
| Qtc | 1.29 |
| Fc | 50 Hz |
| F3 (−3 dB, no cabin gain) | 38 Hz |
| Example box (outside) | 31 1/2″ × 17 11/16″ × 12″ |
Ported
| Net volume | 4.80 ft³ (136 L) |
|---|---|
| Tuning (Fb) | 38 Hz |
| Port | slot 1 3/4 × 16 5/16″, 6 11/16″ long |
| Port velocity at 300 W | 59 ft/s |
| F3 (−3 dB, no cabin gain) | 33 Hz |
| Example box (outside) | 31 1/2″ × 17 11/16″ × 19 7/16″ |
Thiele/Small parameters
| Fs | 30 Hz |
|---|---|
| Qts | 0.77 |
| Qes | 0.91 |
| Qms | 5 |
| Vas | 5.10 ft³ |
| Re | ≈ 3.4 Ω |
| Sd | ≈ 124 in² |
| Xmax | ≈ 0.39″ |
| EBP | 33 — suits sealed calc. |
| Sensitivity, 1 W / 1 m | 88.3 dB calc. |
General
| Size | 15″ |
|---|---|
| Voice coils | — |
| RMS power | — |
Mounting dimensions
| Cutout diameter | 13 7/8″ |
|---|---|
| Mounting depth | 6 7/8″ |
| Overall diameter | 15 13/16″ |
“≈” 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.