BOSS Audio P12SVC

12″ subwoofer · 4 Ω · 800 W RMS

Fs 35 HzQts 0.62Vas 3.08 ft³Xmax 0.39″

Recommended box

For a sedan, one sub, 800 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)
Qtc1.03
Fc58 Hz
F3 (−3 dB, no cabin gain)48 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)41 Hz
Portslot 2 3/4 × 14 5/16″, 16 1/4″ long
Port velocity at 800 W62 ft/s
F3 (−3 dB, no cabin gain)37 Hz
Example box (outside)31 1/2″ × 15 3/4″ × 15 5/16″
Open ported box in designer
203040506080100150200667278849096HzdB
Sealed Ported · SPL in dB at 1 W / 1 m, no cabin gain

Thiele/Small parameters

Fs35 Hz
Qts0.62
Qes0.66
Qms9.52
Vas3.08 ft³
Re≈ 3.4 Ω
Sd≈ 76 in²
Xmax0.39″
EBP53 — sealed or ported calc.
Sensitivity, 1 W / 1 m89.5 dB calc.

General

Size12″
Voice coils4 Ω
RMS power800 W

Mounting dimensions

Ø12 3/16″cutout Ø11 1/16″mounting depth 5 1/8″magnet Ø≈ 7 3/16″
Cutout diameter11 1/16″
Mounting depth5 1/8″
Overall diameter12 3/16″

“≈” 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

Other BOSS Audio 12″ models