Phoenix Gold ZXT12D2 (slim, DVC 2 ohm)

12″ subwoofer · dual 2 Ω · 500 W RMS

Fs 28.2 HzQts 0.79Vas 1.76 ft³Xmax 0.47″

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 volume1.91 ft³ (54 L)
Qtc1.09
Fc39 Hz
F3 (−3 dB, no cabin gain)31 Hz
Example box (outside)31 1/2″ × 15 3/4″ × 9 1/2″
Open sealed box in designer

Ported

Net volume3.25 ft³ (92 L)
Tuning (Fb)29 Hz
Portslot 1 15/16 × 14 5/16″, 23 3/16″ long
Port velocity at 500 W64 ft/s
F3 (−3 dB, no cabin gain)24 Hz
Example box (outside)31 1/2″ × 15 3/4″ × 16 13/16″
Open ported box in designer
203040506080100150200606672788490HzdB
Sealed Ported · SPL in dB at 1 W / 1 m, no cabin gain

Thiele/Small parameters

Fs28.2 Hz
Qts0.79
Qes0.942
Qms4.77
Vas1.76 ft³
Re (one coil)2.02 Ω
Sd83.5 in²
Xmax0.47″
Vd39.5 in³ calc.
Mms264 g calc.
BL10 T·m calc.
EBP30 — suits sealed calc.
Sensitivity, 1 W / 1 m82.7 dB calc.

General

Size12″
Voice coilsdual 2 Ω
RMS power500 W

Mounting dimensions

Ø12 11/16″cutout Ø11 3/16″mounting depth 4 1/8″magnet Ø≈ 7 1/4″
Cutout diameter11 3/16″
Mounting depth4 1/8″
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