Audiopipe TS-FA800
8″ subwoofer · dual 4 Ω · 150 W RMS
Fs 80 HzQts 0.59Vas 0.18 ft³Xmax 0.06″
The published specs don’t add up:
- The spec sheet's Qts 0.51 doesn't match its Qes and Qms (they give 0.59).
Recommended box
For a sedan, one sub, 150 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 | 0.28 ft³ (8 L) |
|---|---|
| Qtc | 0.75 |
| Fc | 102 Hz |
| F3 (−3 dB, no cabin gain) | 100 Hz |
| Example box (outside) | 10 5/8″ × 10 5/8″ × 7 7/8″ |
Ported
| Net volume | 0.60 ft³ (17 L) |
|---|---|
| Tuning (Fb) | 50 Hz |
| Port | slot 1 9/16 × 14 5/16″, 36 1/4″ long |
| Port velocity at 150 W | 28 ft/s |
| F3 (−3 dB, no cabin gain) | 46 Hz |
| Example box (outside) | 31 1/2″ × 15 3/4″ × 6 9/16″ |
Thiele/Small parameters
| Fs | 80 Hz |
|---|---|
| Qts | 0.59 |
| Qes | 0.74 |
| Qms | 2.8 |
| Vas | 0.18 ft³ |
| Re (one coil) | 3.6 Ω |
| Sd | 31.6 in² |
| Xmax | 0.06″ |
| Vd | 1.9 in³ calc. |
| Mms | 47 g calc. |
| BL | 10.7 T·m calc. |
| EBP | 108 — suits ported calc. |
| Sensitivity, 1 W / 1 m | 87.4 dB calc. |
General
| Size | 8″ |
|---|---|
| Voice coils | dual 4 Ω |
| RMS power | 150 W |
Mounting dimensions
| Cutout diameter | ≈ 7 5/16″ |
|---|---|
| Mounting depth | 2 9/16″ |
“≈” 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.
Data sources
- audiopipe.com/products/8-shallow-mount-subwoofer-ts-fa800
- cdn.shopify.com/s/files/1/0051/8478/2371/files/TS-FA800_1000_1200_Manual.pdf?v=1
Other Audiopipe 8″ models
- Audiopipe TS-CAR8 8″ · 4 Ω