BOSS Audio D12F

12″ subwoofer · 4 Ω · 500 W RMS

Fs 35 HzQts 0.69Vas 2.06 ft³Xmax 0.20″

Recommended box

For a sedan, one sub, 500 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 volume1.73 ft³ (49 L)
Qtc1.02
Fc52 Hz
F3 (−3 dB, no cabin gain)42 Hz
Example box (outside)31 1/2″ × 15 3/4″ × 8 3/4″
Open sealed box in designer

Ported

Net volume2.93 ft³ (83 L)
Tuning (Fb)37 Hz
Portslot 2 3/16 × 14 5/16″, 16 1/16″ long
Port velocity at 500 W61 ft/s
F3 (−3 dB, no cabin gain)32 Hz
Example box (outside)31 1/2″ × 15 3/4″ × 15″
Open ported box in designer
203040506080100150200667278849096HzdB
Sealed Ported · SPL in dB at 1 W / 1 m, no cabin gain

Thiele/Small parameters

Fs35 Hz
Qts0.69
Qes0.793
Qms5.4
Vas2.06 ft³
Re≈ 3.4 Ω
Sd≈ 76 in²
Xmax0.20″
EBP44 — suits sealed calc.
Sensitivity, 1 W / 1 m87 dB calc.

General

Size12″
Voice coils4 Ω
RMS power500 W

Mounting dimensions

Ø12 1/2″cutout Ø11 1/8″mounting depth 3 7/8″magnet Ø≈ 7 1/4″
Cutout diameter11 1/8″
Mounting depth3 7/8″
Overall diameter12 1/2″

“≈” 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 BOSS Audio 12″ models