Audiobahn AWP312

12″ subwoofer · 1,000 W RMS

30 HzFs, resonance
0.43Qts
12.15 ft³Vas
0.59″Xmax
1,000 WRMS
Sourceweb.archive.org · manufacturer data
Checked against sourceOctober 2026
Thiele/Small parametersnot in the spec sheet: Sd — typical value for the size used
Mounting dimensions3 of 4 — missing: magnet diameter; the designer will use an estimate

Recommended box

For a sedan, one sub, 1,000 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
1.73 ft³ (49 L)
Net volume
Bass character (Qtc)Boomy, with a bump · 1.21
Fc85 Hz
F3 (−3 dB, no cabin gain)66 Hz
Example box (outside)31 1/2″ × 15 3/4″ × 8 3/4″
Open sealed box in designer

Ported

deeper, louder
2.26 ft³ (64 L)
Net volume
Tuning (Fb)33 Hz
Portslot 1 9/16 × 14 5/16″, 20 9/16″ long
Port velocity at 1,000 W56 ft/s
F3 (−3 dB, no cabin gain)57 Hz
Example box (outside)31 1/2″ × 15 3/4″ × 12 3/8″
Open ported box in designer

Deeper: 2.93 ft³ (83 L) tuned to 50 Hz, 31 1/2″ × 15 3/4″ × 14 7/16″ outside — a bigger box with flatter deep bass. Open in the calculator

Where to buy Amazon
2030405060801001502007278849096102HzdB
Sealed Ported · SPL in dB at 1 W / 1 m, no cabin gain

Thiele/Small parameters

Size12″
Voice coils—
RMS power1,000 W
Fs30 Hz
Qts0.43
Qes0.5
Qms3
Vas12.15 ft³
Re2.05 Ω
Sd≈ 76 in²
Xmax0.59″
EBP60 — sealed or ported calc.
Sensitivity, 1 W / 1 m94.7 dB calc.

Mounting dimensions

Ø12 3/4″cutout Ø11 1/2″mounting depth 6 5/16″magnet Ø≈ 7 1/2″
Cutout diameter11 1/2″
Mounting depth6 5/16″
Overall diameter12 3/4″

“≈” 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

Other Audiobahn 12″ models

Similar 12″ subwoofers from other brands

Close in Fs, Qts and Vas — a box of similar volume will suit them.

FAQ

What box does the Audiobahn AWP312 need?

Recommended net volume: 1.73 ft³ sealed, 2.26 ft³ ported tuned to 33 Hz — for one sub in a sedan at 1,000 W. Fit the box to your space and amp in the free calculator, with plans and a cut sheet.

What are the Audiobahn AWP312 Thiele/Small specs?

Fs 30 Hz, Qts 0.43, Vas 12.15 ft³, Xmax 0.59″.

What is the Audiobahn AWP312 mounting depth?

Mounting depth is 6 5/16″, cutout diameter 11 1/2″. The inside depth of the box must exceed the mounting depth by at least 1″.

How much power does the Audiobahn AWP312 handle and how do I wire it?

RMS power rating: 1,000 W. Wiring for several subs and amp power — in the wiring calculator.