Phoenix Gold SXT10D4 (slim, DVC 4 ohm)

10″ subwoofer · dual 4 Ω · 300 W RMS

Fs 40.3 HzQts 0.62Vas 0.83 ft³Xmax 0.49″

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 volume1.17 ft³ (33 L)
Qtc0.81
Fc53 Hz
F3 (−3 dB, no cabin gain)49 Hz
Example box (outside)31 1/2″ × 15 3/4″ × 6 3/8″
Open sealed box in designer

Ported

Net volume1.98 ft³ (56 L)
Tuning (Fb)34 Hz
Portslot 1 9/16 × 14 5/16″, 22 7/16″ long
Port velocity at 300 W56 ft/s
F3 (−3 dB, no cabin gain)30 Hz
Example box (outside)31 1/2″ × 15 3/4″ × 11 3/16″
Open ported box in designer
203040506080100150200606672788490HzdB
Sealed Ported · SPL in dB at 1 W / 1 m, no cabin gain

Thiele/Small parameters

Fs40.3 Hz
Qts0.62
Qes0.775
Qms3.05
Vas0.83 ft³
Re (one coil)3.3 Ω
Sd51.2 in²
Xmax0.49″
Vd25.2 in³ calc.
Mms102 g calc.
BL10.5 T·m calc.
EBP52 — sealed or ported calc.
Sensitivity, 1 W / 1 m85 dB calc.

General

Size10″
Voice coilsdual 4 Ω
RMS power300 W

Mounting dimensions

Ø≈ 10 1/4″cutout Ø9 1/16″mounting depth 3 5/8″magnet Ø≈ 5 7/8″
Cutout diameter9 1/16″
Mounting depth3 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 10″ models