Eros E-15 SDS 2.7K

15″ subwoofer · 4 Ω · 1,350 W RMS

Fs 43.8 HzQts 0.32Vas 2.89 ft³Xmax 0.47″

Recommended box

For a sedan, one sub, 1,350 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 volume1.20 ft³ (34 L)
Qtc0.59
Fc81 Hz
F3 (−3 dB, no cabin gain)104 Hz
Example box (outside)17 5/16″ × 17 5/16″ × 10 13/16″
Open sealed box in designer

Ported

Net volume2.51 ft³ (71 L)
Tuning (Fb)47 Hz
Portslot 3 9/16 × 16 11/16″, 22 3/16″ long
Port velocity at 1,350 W62 ft/s
F3 (−3 dB, no cabin gain)48 Hz
Example box (outside)31 1/2″ × 18 1/8″ × 13 9/16″
Open ported box in designer
203040506080100150200667278849096HzdB
Sealed Ported · SPL in dB at 1 W / 1 m, no cabin gain

Thiele/Small parameters

Fs43.8 Hz
Qts0.32
Qes0.33
Qms11.14
Vas2.89 ft³
Re2.8 Ω
Sd131.8 in²
Xmax0.47″
Vd62.2 in³ calc.
Mms165 g calc.
BL19.6 T·m calc.
EBP133 — suits ported calc.
Sensitivity, 1 W / 1 m95.2 dB calc.

General

Size15″
Voice coils4 Ω
RMS power1,350 W

Mounting dimensions

Ø≈ 15 3/16″cutout ≈ Ø14″mounting depth ≈ 7 1/16″magnet Ø≈ 9 1/16″
Cutout diameter≈ 14″
Mounting depth≈ 7 1/16″

“≈” 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 Eros 15″ models