Orion HCCA154SPL (HCCA SPL 15" DVC 4ohm)

15″ subwoofer · dual 4 Ω · 5,000 W RMS

Fs 29.3 HzQts 0.52Vas 1.97 ft³Xmax 1.19″

Recommended box

For a sedan, one sub, 5,000 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 volume1.94 ft³ (55 L)
Qtc0.74
Fc42 Hz
F3 (−3 dB, no cabin gain)42 Hz
Example box (outside)18 1/8″ × 18 1/8″ × 14 9/16″
Open sealed box in designer

Ported

Net volume4.56 ft³ (129 L)
Tuning (Fb)25 Hz
Portslot 4 15/16 × 17 1/2″, 73 1/8″ long
Port velocity at 5,000 W85 ft/s
F3 (−3 dB, no cabin gain)22 Hz
Example box (outside)31 1/2″ × 18 7/8″ × 30 1/4″
Open ported box in designer
203040506080100150200606672788490HzdB
Sealed Ported · SPL in dB at 1 W / 1 m, no cabin gain

Thiele/Small parameters

Fs29.3 Hz
Qts0.52
Qes0.57
Qms5.98
Vas1.97 ft³
Re (one coil)3.53 Ω
Sd137.6 in²
Xmax1.19″
Vd163.6 in³ calc.
Mms590 g calc.
BL25.9 T·m calc.
EBP51 — sealed or ported calc.
Sensitivity, 1 W / 1 m85.9 dB calc.

General

Size15″
Voice coilsdual 4 Ω
RMS power5,000 W

Mounting dimensions

Ø16 5/8″cutout Ø15 1/16″mounting depth 12 1/16″magnet Ø≈ 9 13/16″
Cutout diameter15 1/16″
Mounting depth12 1/16″
Overall diameter16 5/8″

The published Sd of 149.1 in² doesn't match Fs, Vas and Mms — using the calculated 137.6 in².

“≈” 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 Orion 15″ models