Massive Audio UFO10

10″ subwoofer · dual 4 Ω · 300 W RMS

Fs 35.9 HzQts 0.93Vas 0.71 ft³Xmax 0.31″

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)
Qtc1.19
Fc46 Hz
F3 (−3 dB, no cabin gain)35 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)32 Hz
Portslot 1 9/16 × 14 5/16″, 25 7/8″ long
Port velocity at 300 W53 ft/s
F3 (−3 dB, no cabin gain)26 Hz
Example box (outside)31 1/2″ × 15 3/4″ × 11 7/16″
Open ported box in designer
203040506080100150200606672788490HzdB
Sealed Ported · SPL in dB at 1 W / 1 m, no cabin gain

Thiele/Small parameters

Fs35.9 Hz
Qts0.93
Qes1.12
Qms5.64
Vas0.71 ft³
Re (one coil)3.4 Ω
Sd51.2 in²
Xmax0.31″
Vd16.1 in³ calc.
Mms151 g calc.
BL10.2 T·m calc.
EBP32 — suits sealed calc.
Sensitivity, 1 W / 1 m81.2 dB calc.

General

Size10″
Voice coilsdual 4 Ω
RMS power300 W

Mounting dimensions

Ø10 5/16″cutout Ø9 1/8″mounting depth 2 15/16″magnet Ø≈ 5 15/16″
Cutout diameter9 1/8″
Mounting depth2 15/16″
Overall diameter10 5/16″

“≈” 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 Massive Audio 10″ models