Phoenix Gold Ti212D4 (Ti2, DVC 4 ohm)

12″ subwoofer · dual 4 Ω · 600 W RMS

Fs 32.6 HzQts 0.47Vas 1.28 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 volume0.74 ft³ (21 L)
Qtc0.77
Fc54 Hz
F3 (−3 dB, no cabin gain)53 Hz
Example box (outside)14 3/16″ × 14 3/16″ × 10 7/16″
Open sealed box in designer

Ported

Net volume2.15 ft³ (61 L)
Tuning (Fb)30 Hz
Portslot 1 15/16 × 14 5/16″, 34 1/2″ long
Port velocity at 600 W66 ft/s
F3 (−3 dB, no cabin gain)27 Hz
Example box (outside)31 1/2″ × 15 3/4″ × 13 7/16″
Open ported box in designer
203040506080100150200606672788490HzdB
Sealed Ported · SPL in dB at 1 W / 1 m, no cabin gain

Thiele/Small parameters

Fs32.6 Hz
Qts0.47
Qes0.51
Qms5.38
Vas1.28 ft³
Re (one coil)2.46 Ω
Sd82.2 in²
Xmax0.79″
Vd64.7 in³ calc.
Mms261 g calc.
BL16.1 T·m calc.
EBP64 — sealed or ported calc.
Sensitivity, 1 W / 1 m85.9 dB calc.

General

Size12″
Voice coilsdual 4 Ω
RMS power600 W

Mounting dimensions

Ø≈ 12 1/16″cutout Ø10 7/8″mounting depth 6 7/16″magnet Ø≈ 7 1/16″
Cutout diameter10 7/8″
Mounting depth6 7/16″

“≈” 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