Gladen SPL 15 (DVC)

15″ subwoofer · dual 1 Ω · 2,200 W RMS

Fs 37.8 HzQts 0.44Vas 1.72 ft³Xmax 0.79″

Recommended box

For a sedan, one sub, 2,200 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)
Qtc0.66
Fc56 Hz
F3 (−3 dB, no cabin gain)63 Hz
Example box (outside)17 5/16″ × 17 5/16″ × 12 1/2″
Open sealed box in designer

Ported

Net volume2.51 ft³ (71 L)
Tuning (Fb)36 Hz
Portslot 3 15/16 × 16 11/16″, 47 3/8″ long
Port velocity at 2,200 W63 ft/s
F3 (−3 dB, no cabin gain)34 Hz
Example box (outside)31 1/2″ × 18 1/8″ × 17 5/8″
Open ported box in designer
203040506080100150200667278849096HzdB
Sealed Ported · SPL in dB at 1 W / 1 m, no cabin gain

Thiele/Small parameters

Fs37.8 Hz
Qts0.44
Qes0.48
Qms5.97
Vas1.72 ft³
Re (one coil)1.2 Ω
Sd128.7 in²
Xmax0.79″
Vd101.3 in³ calc.
Mms356 g calc.
BL14.5 T·m calc.
EBP79 — sealed or ported calc.
Sensitivity, 1 W / 1 m89.4 dB calc.

General

Size15″
Voice coilsdual 1 Ω
RMS power2,200 W

Mounting dimensions

Ø15 7/8″cutout Ø14″mounting depth 10″magnet Ø≈ 9 1/16″
Cutout diameter14″
Mounting depth10″
Overall diameter15 7/8″

“≈” 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 Gladen 15″ models