Audiobahn AWT12X
12″ subwoofer · 2,000 W RMS
| Source | web.archive.org · manufacturer data |
|---|---|
| Checked against source | October 2026 |
| Thiele/Small parameters | not in the spec sheet: Sd — typical value for the size used |
| Mounting dimensions | 3 of 4 — missing: magnet diameter; the designer will use an estimate |
Recommended box
For a sedan, one sub, 2,000 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
smaller, tighter| Bass character (Qtc) | Dry and tight · 0.48 |
|---|---|
| Fc | 40 Hz |
| F3 (−3 dB, no cabin gain) | 67 Hz |
| Example box (outside) | 15 3/8″ × 15 3/8″ × 9 9/16″ |
Ported
deeper, louder| Tuning (Fb) | 33 Hz |
|---|---|
| Port | slot 3 9/16 × 14 3/4″, 50 11/16″ long |
| Port velocity at 2,000 W | 77 ft/s |
| F3 (−3 dB, no cabin gain) | 29 Hz |
| Example box (outside) | 31 1/2″ × 16 1/8″ × 17 1/2″ |
Deeper: 1.45 ft³ (41 L) tuned to 33 Hz, 25 5/16″ × 16 1/8″ × 9 5/8″ outside — a bigger box with flatter deep bass. Open in the calculator
Projects with this subwoofer
Boxes that users designed and published: plans, cut sheet and response graph.
Thiele/Small parameters
| Size | 12″ |
|---|---|
| Voice coils | — |
| RMS power | 2,000 W |
| Fs | 29.7 Hz |
| Qts | 0.36 |
| Qes | 0.38 |
| Qms | 6.2 |
| Vas | 0.64 ft³ |
|---|---|
| Re | 1.95 Ω |
| Sd | ≈ 76 in² |
| Xmax | 0.79″ |
| EBP | 78 — sealed or ported calc. |
| Sensitivity, 1 W / 1 m | 82.9 dB calc. |
Mounting dimensions
| Cutout diameter | 12 3/8″ |
|---|---|
| Mounting depth | 7 1/8″ |
| Overall diameter | 13 3/8″ |
“≈” 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
- web.archive.org/web/20060317162117/http://www.audiobahn.com/Audiobahn06/images/t
- web.archive.org/web/20050307032618/http://audiobahn.com/tech/2002/Sub%20Specs/Au
- web.archive.org/web/20041208210047/http://www.audiobahn.com/tech/2001/Audiobahn2
Other Audiobahn 12″ models
- Audiobahn ALUM12 12″
- Audiobahn ALUM12N 12″ · dual 6 Ω
- Audiobahn ALUM12Q 12″ · dual 6 Ω
- Audiobahn ALUM12X 12″
- Audiobahn AW120Q 12″
- Audiobahn AW120SVC 12″
- Audiobahn AW120T 12″ · 4 Ω
- Audiobahn AW120XS 12″
- Audiobahn AW121T 12″ · 4 Ω
- Audiobahn AW122N 12″ · 4 Ω
- Audiobahn AW122T 12″
- Audiobahn AW1200 12″
Similar 12″ subwoofers from other brands
Close in Fs, Qts and Vas — a box of similar volume will suit them.
- Avatar Doomsday 12 D1 0.92 ft³ sealed · 2.26 ft³ ported
- DC Audio Level 5 M5 12 D0.7 0.99 ft³ sealed · 2.26 ft³ ported
- DC Audio Level 5 M5 12 D1 0.99 ft³ sealed · 2.26 ft³ ported
- DC Audio Level 5 M5 12 D2 0.99 ft³ sealed · 2.26 ft³ ported
- American Bass HURRICANE-1222 1.13 ft³ sealed · 2.01 ft³ ported
- DL Audio Phoenix 12 (2+2) 0.78 ft³ sealed · 2.26 ft³ ported
FAQ
What box does the Audiobahn AWT12X need?
Recommended net volume: 0.81 ft³ sealed, 2.26 ft³ ported tuned to 33 Hz — for one sub in a sedan at 2,000 W. Fit the box to your space and amp in the free calculator, with plans and a cut sheet.
What are the Audiobahn AWT12X Thiele/Small specs?
Fs 29.7 Hz, Qts 0.36, Vas 0.64 ft³, Xmax 0.79″.
What is the Audiobahn AWT12X mounting depth?
Mounting depth is 7 1/8″, cutout diameter 12 3/8″. The inside depth of the box must exceed the mounting depth by at least 1″.
How much power does the Audiobahn AWT12X handle and how do I wire it?
RMS power rating: 2,000 W. Wiring for several subs and amp power — in the wiring calculator.