Hertz Mille Legend ML 2500.3 (SVC 4 ohm)

10″ subwoofer · 4 Ω · 700 W RMS

33 HzFs, resonance
0.60Qts
0.83 ft³Vas
0.67″Xmax
700 WRMS

Recommended box

For a sedan, one sub, 700 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

smaller, tighter
1.06 ft³ (30 L)
Net volume
Qtc0.80
Fc44 Hz
F3 (−3 dB, no cabin gain)41 Hz
Example box (outside)12 5/8″ × 12 5/8″ × 16 15/16″
Open sealed box in designer

Ported

deeper, louder
2.12 ft³ (60 L)
Net volume
Tuning (Fb)28 Hz
Portslot 2 3/16 × 14 5/16″, 45 5/16″ long
Port velocity at 700 W65 ft/s
F3 (−3 dB, no cabin gain)24 Hz
Example box (outside)31 1/2″ × 15 3/4″ × 14 5/16″
Open ported box in designer
203040506080100150200606672788490HzdB
Sealed Ported · SPL in dB at 1 W / 1 m, no cabin gain

Thiele/Small parameters

Fs33 Hz
Qts0.60
Qes0.65
Qms7.5
Vas0.83 ft³
Re2.75 Ω
Sd55 in²
Xmax0.67″
Vd36.8 in³ calc.
Mms176 g calc.
BL12.4 T·m calc.
EBP51 — sealed or ported calc.
Sensitivity, 1 W / 1 m83.1 dB calc.

General

Size10″
Voice coils4 Ω
RMS power700 W

Mounting dimensions

Ø10 9/16″cutout Ø9 1/4″mounting depth 5 3/8″magnet Ø3 3/4″
Cutout diameter9 1/4″
Mounting depth5 3/8″
Overall diameter10 9/16″
Magnet diameter3 3/4″

“≈” 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 Hertz 10″ models