Diamond H104

10″ subwoofer · dual 4 Ω · 500 W RMS

Fs 36 HzQts 0.48Vas 0.57 ft³Xmax 0.72″

Recommended box

For a sedan, one sub, 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 volume0.48 ft³ (13.5 L)
Qtc0.72
Fc53 Hz
F3 (−3 dB, no cabin gain)55 Hz
Example box (outside)12 3/16″ × 12 3/16″ × 9 7/16″
Open sealed box in designer

Ported

Net volume1.06 ft³ (30 L)
Tuning (Fb)32 Hz
Portround port Ø3″, 15 1/8″ long
Port velocity at 500 W169 ft/s
F3 (−3 dB, no cabin gain)29 Hz
Example box (outside)19 11/16″ × 15 3/4″ × 9 7/16″
Open ported box in designer
2030405060801001502006066727884HzdB
Sealed Ported · SPL in dB at 1 W / 1 m, no cabin gain

Thiele/Small parameters

Fs36 Hz
Qts0.48
Qes0.56
Qms3.6
Vas0.57 ft³
Re (one coil)3.8 Ω
Sd49.6 in²
Xmax0.72″
Vd35.7 in³ calc.
Mms177 g calc.
BL16.5 T·m calc.
EBP64 — sealed or ported calc.
Sensitivity, 1 W / 1 m83.3 dB calc.

General

Size10″
Voice coilsdual 4 Ω
RMS power500 W

Mounting dimensions

Ø10 3/4″cutout Ø9″mounting depth 7″magnet Ø≈ 5 13/16″
Cutout diameter9″
Mounting depth7″
Overall diameter10 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 Diamond 10″ models