Phoenix Gold ZXT8D2 (slim, DVC 2 ohm)

8″ subwoofer · dual 2 Ω · 150 W RMS

Fs 49.1 HzQts 0.62Vas 0.23 ft³Xmax 0.39″

Recommended box

For a sedan, one sub, 150 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 volume0.35 ft³ (10 L)
Qtc0.80
Fc63 Hz
F3 (−3 dB, no cabin gain)59 Hz
Example box (outside)10 1/4″ × 10 1/4″ × 10 1/16″
Open sealed box in designer

Ported

Net volume0.88 ft³ (25 L)
Tuning (Fb)35 Hz
Portround port Ø2 1/2″, 10 1/2″ long
Port velocity at 150 W137 ft/s
F3 (−3 dB, no cabin gain)31 Hz
Example box (outside)14 7/16″ × 15 3/4″ × 10 1/4″
Open ported box in designer
2030405060801001502006066727884HzdB
Sealed Ported · SPL in dB at 1 W / 1 m, no cabin gain

Thiele/Small parameters

Fs49.1 Hz
Qts0.62
Qes0.701
Qms5.28
Vas0.23 ft³
Re (one coil)2.02 Ω
Sd34.3 in²
Xmax0.39″
Vd13.5 in³ calc.
Mms110 g calc.
BL9.9 T·m calc.
EBP70 — sealed or ported calc.
Sensitivity, 1 W / 1 m82.5 dB calc.

General

Size8″
Voice coilsdual 2 Ω
RMS power150 W

Mounting dimensions

Ø8 9/16″cutout Ø7 3/16″mounting depth 3 1/16″magnet Ø≈ 4 11/16″
Cutout diameter7 3/16″
Mounting depth3 1/16″
Overall diameter8 9/16″

“≈” 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 8″ models