B2 Audio HN15v3 D1

15″ subwoofer · dual 1 Ω · 1,500 W RMS

Fs 29.3 HzQts 0.48Vas 2.56 ft³Xmax 1.10″

Recommended box

For a sedan, one sub, 1,500 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 volume1.45 ft³ (41 L)
Qtc0.80
Fc49 Hz
F3 (−3 dB, no cabin gain)46 Hz
Example box (outside)17 5/16″ × 17 5/16″ × 12 1/2″
Open sealed box in designer

Ported

Net volume4.66 ft³ (132 L)
Tuning (Fb)27 Hz
Portslot 3 3/4 × 16 11/16″, 42 9/16″ long
Port velocity at 1,500 W65 ft/s
F3 (−3 dB, no cabin gain)24 Hz
Example box (outside)31 1/2″ × 18 1/8″ × 24 3/16″
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
Qts0.48
Qes0.53
Qms5.04
Vas2.56 ft³
Re (one coil)0.9 Ω
Sd≈ 124 in²
Xmax1.10″
EBP55 — sealed or ported calc.
Sensitivity, 1 W / 1 m87.4 dB calc.

General

Size15″
Voice coilsdual 1 Ω
RMS power1,500 W

Mounting dimensions

Ø15 9/16″cutout ≈ Ø14″mounting depth ≈ 7 1/16″magnet Ø≈ 9 1/8″
Cutout diameter≈ 14″
Mounting depth≈ 7 1/16″
Overall diameter15 9/16″

Judging by its value, the published Re is for both coils in series — converted to per coil.

“≈” 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 B2 Audio 15″ models