Blaupunkt GBw 101
10″ subwoofer · 4 Ω · 300 W RMS
Fs 36.2 HzQts 0.50Vas 1.17 ft³
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 | 0.74 ft³ (21 L) |
|---|---|
| Qtc | 0.79 |
| Fc | 58 Hz |
| F3 (−3 dB, no cabin gain) | 55 Hz |
| Example box (outside) | 12 3/16″ × 12 3/16″ × 13 3/8″ |
Ported
| Net volume | 2.05 ft³ (58 L) |
|---|---|
| Tuning (Fb) | 33 Hz |
| Port | slot 1 9/16 × 14 5/16″, 23 1/8″ long |
| Port velocity at 300 W | 59 ft/s |
| F3 (−3 dB, no cabin gain) | 30 Hz |
| Example box (outside) | 31 1/2″ × 15 3/4″ × 11 1/2″ |
Thiele/Small parameters
| Fs | 36.2 Hz |
|---|---|
| Qts | 0.50 |
| Qes | 0.55 |
| Qms | 4.96 |
| Vas | 1.17 ft³ |
| Re | 3.2 Ω |
| Sd | 53.2 in² |
| Xmax | ≈ 0.39″ |
| Mms | 98 g calc. |
| BL | 11.4 T·m calc. |
| EBP | 66 — sealed or ported calc. |
| Sensitivity, 1 W / 1 m | 86.6 dB calc. |
General
| Size | 10″ |
|---|---|
| Voice coils | 4 Ω |
| RMS power | 300 W |
Mounting dimensions
| Cutout diameter | 9 3/16″ |
|---|---|
| Mounting depth | 5 1/16″ |
| Overall diameter | 10 11/16″ |
Cone area (Sd) calculated from Fs, Vas and Mms: 53.2 in².
“≈” 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
- web.archive.org/web/20220820063409/https://bpunkt.b-cdn.net/wp-content/uploads/2
- web.archive.org/web/20220701011450/https://blaupunkt.com/cus/product/gbw101/
Other Blaupunkt 10″ models
- Blaupunkt GTw 1000 10″ · 4 Ω