Clarion WG3020

12″ subwoofer · 4 Ω · 300 W RMS

Fs 28 HzQts 0.43Vas 3.30 ft³Xmax 0.24″

Recommended box

For a sedan, one sub, 300 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 volume1.34 ft³ (38 L)
Qtc0.80
Fc52 Hz
F3 (−3 dB, no cabin gain)50 Hz
Example box (outside)14 3/16″ × 14 3/16″ × 16 13/16″
Open sealed box in designer

Ported

Net volume3.14 ft³ (89 L)
Tuning (Fb)32 Hz
Portslot 1 3/4 × 14 5/16″, 16 15/16″ long
Port velocity at 300 W60 ft/s
F3 (−3 dB, no cabin gain)30 Hz
Example box (outside)31 1/2″ × 15 3/4″ × 15 3/4″
Open ported box in designer
203040506080100150200667278849096HzdB
Sealed Ported · SPL in dB at 1 W / 1 m, no cabin gain

Thiele/Small parameters

Fs28 Hz
Qts0.43
Qes0.46
Qms6.59
Vas3.30 ft³
Re3.63 Ω
Sd81.1 in²
Xmax0.24″
Vd19.1 in³ calc.
Mms134 g calc.
BL13.6 T·m calc.
EBP61 — sealed or ported calc.
Sensitivity, 1 W / 1 m88.5 dB calc.

General

Size12″
Voice coils4 Ω
RMS power300 W

Mounting dimensions

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

“≈” 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 Clarion 12″ models