Diamond H152

15″ subwoofer · dual 2 Ω · 750 W RMS

Fs 22 HzQts 0.41Vas 3.67 ft³Xmax 0.63″

Recommended box

For a sedan, one sub, 750 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 volume1.34 ft³ (38 L)
Qtc0.80
Fc43 Hz
F3 (−3 dB, no cabin gain)41 Hz
Example box (outside)16 15/16″ × 16 15/16″ × 12 5/16″
Open sealed box in designer

Ported

Net volume4.34 ft³ (123 L)
Tuning (Fb)25 Hz
Portslot 2 9/16 × 16 5/16″, 35 3/4″ long
Port velocity at 750 W63 ft/s
F3 (−3 dB, no cabin gain)23 Hz
Example box (outside)31 1/2″ × 17 11/16″ × 21 1/16″
Open ported box in designer
203040506080100150200606672788490HzdB
Sealed Ported · SPL in dB at 1 W / 1 m, no cabin gain

Thiele/Small parameters

Fs22 Hz
Qts0.41
Qes0.46
Qms4
Vas3.67 ft³
Re (one coil)1.85 Ω
Sd124 in²
Xmax0.63″
Vd78.1 in³ calc.
Mms457 g calc.
BL15.9 T·m calc.
EBP48 — suits sealed calc.
Sensitivity, 1 W / 1 m85.8 dB calc.

General

Size15″
Voice coilsdual 2 Ω
RMS power750 W

Mounting dimensions

Ø15 1/2″cutout Ø13 7/8″mounting depth 7 7/8″magnet Ø≈ 9 1/16″
Cutout diameter13 7/8″
Mounting depth7 7/8″
Overall diameter15 1/2″

“≈” 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 15″ models