Phoenix Gold Ti312D2 (Ti3, DVC 2 ohm)

12″ subwoofer · dual 2 Ω · 600 W RMS

Fs 28.5 HzQts 0.44Vas 1.43 ft³Xmax 0.79″

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 volume0.71 ft³ (20 L)
Qtc0.76
Fc50 Hz
F3 (−3 dB, no cabin gain)49 Hz
Example box (outside)14 3/16″ × 14 3/16″ × 10 1/16″
Open sealed box in designer

Ported

Net volume1.98 ft³ (56 L)
Tuning (Fb)28 Hz
Portslot 1 15/16 × 14 5/16″, 44 1/4″ long
Port velocity at 600 W61 ft/s
F3 (−3 dB, no cabin gain)26 Hz
Example box (outside)31 1/2″ × 15 3/4″ × 13 1/2″
Open ported box in designer
203040506080100150200606672788490HzdB
Sealed Ported · SPL in dB at 1 W / 1 m, no cabin gain

Thiele/Small parameters

Fs28.5 Hz
Qts0.44
Qes0.47
Qms5.96
Vas1.43 ft³
Re (one coil)1.6 Ω
Sd79.1 in²
Xmax0.79″
Vd62.2 in³ calc.
Mms283 g calc.
BL13.1 T·m calc.
EBP61 — sealed or ported calc.
Sensitivity, 1 W / 1 m85 dB calc.

General

Size12″
Voice coilsdual 2 Ω
RMS power600 W

Mounting dimensions

Ø12 5/8″cutout Ø10 7/8″mounting depth 6 7/8″magnet Ø≈ 7 1/16″
Cutout diameter10 7/8″
Mounting depth6 7/8″
Overall diameter12 5/8″

“≈” 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