Pride AB-12 (2+2)

12″ subwoofer · dual 2 Ω · 600 W RMS

Fs 27 HzQts 0.40Vas 1.41 ft³Xmax 0.71″

Recommended box

For a sedan, one sub, 600 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 volume0.67 ft³ (19 L)
Qtc0.71
Fc48 Hz
F3 (−3 dB, no cabin gain)50 Hz
Example box (outside)14 3/16″ × 14 3/16″ × 9 11/16″
Open sealed box in designer

Ported

Net volume1.52 ft³ (43 L)
Tuning (Fb)29 Hz
Portslot 1 9/16 × 14 5/16″, 43 5/16″ long
Port velocity at 600 W63 ft/s
F3 (−3 dB, no cabin gain)27 Hz
Example box (outside)31 1/2″ × 15 3/4″ × 11 1/16″
Open ported box in designer
203040506080100150200606672788490HzdB
Sealed Ported · SPL in dB at 1 W / 1 m, no cabin gain

Thiele/Small parameters

Fs27 Hz
Qts0.40
Qes0.463
Qms2.95
Vas1.41 ft³
Re (one coil)1.9 Ω
Sd74.9 in²
Xmax0.71″
Vd53.1 in³ calc.
Mms287 g calc.
BL14.1 T·m calc.
EBP58 — sealed or ported calc.
Sensitivity, 1 W / 1 m84.3 dB calc.

General

Size12″
Voice coilsdual 2 Ω
RMS power600 W

Mounting dimensions

Ø12 5/16″cutout Ø11″mounting depth 5 11/16″magnet Ø≈ 7 3/16″
Cutout diameter11″
Mounting depth5 11/16″
Overall diameter12 5/16″

Qes and Qms are not on the spec sheet — calculated from Qts, motor strength BL and Re.

“≈” 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 Pride 12″ models