Morel Ultimo 102 (SVC 2 ohm)

10″ subwoofer · 2 Ω · 1,000 W RMS

Fs 27 HzQts 0.39Vas 1.67 ft³Xmax 0.49″

Recommended box

For a sedan, one sub, 1,000 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 volume0.53 ft³ (15 L)
Qtc0.80
Fc55 Hz
F3 (−3 dB, no cabin gain)53 Hz
Example box (outside)12 3/16″ × 12 3/16″ × 10 1/4″
Open sealed box in designer

Ported

Net volume1.70 ft³ (48 L)
Tuning (Fb)29 Hz
Portslot 1 3/4 × 14 5/16″, 43 7/16″ long
Port velocity at 1,000 W67 ft/s
F3 (−3 dB, no cabin gain)28 Hz
Example box (outside)31 1/2″ × 15 3/4″ × 11 7/8″
Open ported box in designer
2030405060801001502006066727884HzdB
Sealed Ported · SPL in dB at 1 W / 1 m, no cabin gain

Thiele/Small parameters

Fs27 Hz
Qts0.39
Qes0.58
Qms1.2
Vas1.67 ft³
Re1.7 Ω
Sd53.6 in²
Xmax0.49″
Vd26.4 in³ calc.
Mms124 g calc.
BL7.9 T·m calc.
EBP47 — suits sealed calc.
Sensitivity, 1 W / 1 m84.1 dB calc.

General

Size10″
Voice coils2 Ω
RMS power1,000 W

Mounting dimensions

Ø10 3/8″cutout Ø9 1/8″mounting depth 5 1/2″magnet Ø≈ 5 15/16″
Cutout diameter9 1/8″
Mounting depth5 1/2″
Overall diameter10 3/8″

“≈” 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 Morel 10″ models