Audiopipe TS-FA1200
12″ subwoofer · dual 4 Ω · 250 W RMS
Fs 50 HzQts 0.53Vas 1.06 ft³Xmax 0.10″
The published specs don’t add up:
- The spec sheet's Qts 0.49 doesn't match its Qes and Qms (they give 0.53).
Recommended box
For a sedan, one sub, 250 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 | 0.85 ft³ (24 L) |
|---|---|
| Qtc | 0.80 |
| Fc | 75 Hz |
| F3 (−3 dB, no cabin gain) | 71 Hz |
| Example box (outside) | 14 3/16″ × 14 3/16″ × 11 9/16″ |
Ported
| Net volume | 2.58 ft³ (73 L) |
|---|---|
| Tuning (Fb) | 40 Hz |
| Port | slot 1 9/16 × 14 5/16″, 10 11/16″ long |
| Port velocity at 250 W | 66 ft/s |
| F3 (−3 dB, no cabin gain) | 36 Hz |
| Example box (outside) | 31 1/2″ × 15 3/4″ × 12 15/16″ |
Thiele/Small parameters
| Fs | 50 Hz |
|---|---|
| Qts | 0.53 |
| Qes | 0.65 |
| Qms | 2.9 |
| Vas | 1.06 ft³ |
| Re (one coil) | 3.6 Ω |
| Sd | 82.2 in² |
| Xmax | 0.10″ |
| Vd | 8.1 in³ calc. |
| Mms | 134 g calc. |
| BL | 15.3 T·m calc. |
| EBP | 77 — sealed or ported calc. |
| Sensitivity, 1 W / 1 m | 89.6 dB calc. |
General
| Size | 12″ |
|---|---|
| Voice coils | dual 4 Ω |
| RMS power | 250 W |
Mounting dimensions
| Cutout diameter | ≈ 11 1/8″ |
|---|---|
| Mounting depth | 2 7/8″ |
“≈” 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
- audiopipe.com/products/12-shallow-mount-subwoofer-ts-fa1200
- cdn.shopify.com/s/files/1/0051/8478/2371/files/TS-FA800_1000_1200_Manual.pdf?v=1
Other Audiopipe 12″ models
- Audiopipe TXX-BDC4-12 12″ · dual 4 Ω