Phoenix Gold ZP12D4 (Z Streetbass, DVC 4 ohm)

12″ subwoofer · dual 4 Ω · 1,500 W RMS

Fs 36.3 HzQts 0.48Vas 0.88 ft³Xmax 0.69″

Recommended box

For a sedan, one sub, 1,500 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 volume0.74 ft³ (21 L)
Qtc0.72
Fc54 Hz
F3 (−3 dB, no cabin gain)56 Hz
Example box (outside)14 3/16″ × 14 3/16″ × 10 7/16″
Open sealed box in designer

Ported

Net volume1.66 ft³ (47 L)
Tuning (Fb)32 Hz
Portslot 2 3/16 × 14 5/16″, 44 3/16″ long
Port velocity at 1,500 W81 ft/s
F3 (−3 dB, no cabin gain)29 Hz
Example box (outside)31 1/2″ × 15 3/4″ × 12 1/2″
Open ported box in designer
203040506080100150200606672788490HzdB
Sealed Ported · SPL in dB at 1 W / 1 m, no cabin gain

Thiele/Small parameters

Fs36.3 Hz
Qts0.48
Qes0.593
Qms2.63
Vas0.88 ft³
Re (one coil)3.2 Ω
Sd82.3 in²
Xmax0.69″
Vd56.7 in³ calc.
Mms307 g calc.
BL19.4 T·m calc.
EBP61 — sealed or ported calc.
Sensitivity, 1 W / 1 m85.1 dB calc.

General

Size12″
Voice coilsdual 4 Ω
RMS power1,500 W

Mounting dimensions

Ø12 11/16″cutout Ø11 1/8″mounting depth 7 3/8″magnet Ø≈ 7 3/16″
Cutout diameter11 1/8″
Mounting depth7 3/8″
Overall diameter12 11/16″

“≈” 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 Phoenix Gold 12″ models