Morel Primo SL PSL 104 (SVC 4 ohm)

10″ subwoofer · 4 Ω · 300 W RMS

Fs 30 HzQts 0.52Vas 0.93 ft³Xmax 0.39″

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 volume0.67 ft³ (19 L)
Qtc0.80
Fc46 Hz
F3 (−3 dB, no cabin gain)44 Hz
Example box (outside)12 3/16″ × 12 3/16″ × 12 5/16″
Open sealed box in designer

Ported

Net volume2.08 ft³ (59 L)
Tuning (Fb)26 Hz
Portslot 1 9/16 × 14 5/16″, 38 15/16″ long
Port velocity at 300 W54 ft/s
F3 (−3 dB, no cabin gain)23 Hz
Example box (outside)31 1/2″ × 15 3/4″ × 12 7/8″
Open ported box in designer
2030405060801001502006066727884HzdB
Sealed Ported · SPL in dB at 1 W / 1 m, no cabin gain

Thiele/Small parameters

Fs30 Hz
Qts0.52
Qes0.58
Qms5.02
Vas0.93 ft³
Re3.6 Ω
Sd53.8 in²
Xmax0.39″
Vd21.2 in³ calc.
Mms183 g calc.
BL14.6 T·m calc.
EBP52 — sealed or ported calc.
Sensitivity, 1 W / 1 m82.9 dB calc.

General

Size10″
Voice coils4 Ω
RMS power300 W

Mounting dimensions

Ø10 5/16″cutout Ø9 1/8″mounting depth 3 1/2″magnet Ø≈ 5 15/16″
Cutout diameter9 1/8″
Mounting depth3 1/2″
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 Morel 10″ models