Magnum MEW 15-22DC

15″ subwoofer · dual 2 Ω · 3,500 W RMS

Fs 51.2 HzQts 0.90Vas 1.12 ft³

Recommended box

For a sedan, one sub, 3,500 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 volume2.26 ft³ (64 L)
Qtc1.10
Fc63 Hz
F3 (−3 dB, no cabin gain)49 Hz
Example box (outside)17 5/16″ × 17 5/16″ × 18 1/16″
Open sealed box in designer

Ported

Net volume5.01 ft³ (142 L)
Tuning (Fb)37 Hz
Portslot 5 7/8 × 16 11/16″, 30 3/16″ long
Port velocity at 3,500 W81 ft/s
F3 (−3 dB, no cabin gain)31 Hz
Example box (outside)31 1/2″ × 18 1/8″ × 25 5/8″
Open ported box in designer
203040506080100150200667278849096HzdB
Sealed Ported · SPL in dB at 1 W / 1 m, no cabin gain

Thiele/Small parameters

Fs51.2 Hz
Qts0.90
Qes1.021
Qms7.39
Vas1.12 ft³
Re (one coil)≈ 1.7 Ω
Sd129.2 in²
Xmax≈ 0.39″
Mms300 g calc.
BL12.7 T·m calc.
EBP50 — sealed or ported calc.
Sensitivity, 1 W / 1 m88.2 dB calc.

General

Size15″
Voice coilsdual 2 Ω
RMS power3,500 W

Mounting dimensions

Ø15 3/4″cutout Ø14 1/4″mounting depth 10 1/16″magnet Ø≈ 9 1/4″
Cutout diameter14 1/4″
Mounting depth10 1/16″
Overall diameter15 3/4″

Cone area (Sd) calculated from Fs, Vas and Mms: 129.2 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 Magnum 15″ models