Deaf Bonce Apocalypse DB-455 D1

15″ subwoofer · dual 1 Ω · 5,000 W RMS

Fs 30 HzQts 0.41Vas 0.97 ft³Xmax 0.89″

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 volume1.87 ft³ (53 L)
Qtc0.51
Fc37 Hz
F3 (−3 dB, no cabin gain)58 Hz
Example box (outside)18 1/8″ × 18 1/8″ × 14 1/8″
Open sealed box in designer

Ported

Net volume2.37 ft³ (67 L)
Tuning (Fb)25 Hz
Portround port Ø2 1/2″, 7 3/16″ long
Port velocity at 5,000 W1,108 ft/s
F3 (−3 dB, no cabin gain)23 Hz
Example box (outside)21 5/16″ × 18 7/8″ × 14 3/16″
Open ported box in designer
2030405060801001502006066727884HzdB
Sealed Ported · SPL in dB at 1 W / 1 m, no cabin gain

Thiele/Small parameters

Fs30 Hz
Qts0.41
Qes0.44
Qms6
Vas0.97 ft³
Re (one coil)≈ 0.85 Ω
Sd≈ 124 in²
Xmax0.89″
EBP68 — sealed or ported calc.
Sensitivity, 1 W / 1 m84.3 dB calc.

General

Size15″
Voice coilsdual 1 Ω
RMS power5,000 W

Mounting dimensions

Ø≈ 15 15/16″cutout Ø14 3/4″mounting depth 11 5/8″magnet Ø≈ 9 5/8″
Cutout diameter14 3/4″
Mounting depth11 5/8″

Only Qts is published — Qms assumed to be 6 and Qes calculated (barely affects box design).

“≈” 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 Deaf Bonce 15″ models