CT Sounds HYDRO-10 D4

10″ subwoofer · dual 4 Ω · 500 W RMS

Fs 39.4 HzQts 0.52Vas 0.73 ft³Xmax 0.39″

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 volume0.53 ft³ (15 L)
Qtc0.80
Fc61 Hz
F3 (−3 dB, no cabin gain)57 Hz
Example box (outside)12 5/8″ × 12 5/8″ × 9 5/8″
Open sealed box in designer

Ported

Net volume1.66 ft³ (47 L)
Tuning (Fb)33 Hz
Portslot 1 3/4 × 14 5/16″, 33 3/8″ long
Port velocity at 500 W64 ft/s
F3 (−3 dB, no cabin gain)29 Hz
Example box (outside)31 1/2″ × 15 3/4″ × 10 15/16″
Open ported box in designer
203040506080100150200606672788490HzdB
Sealed Ported · SPL in dB at 1 W / 1 m, no cabin gain

Thiele/Small parameters

Fs39.4 Hz
Qts0.52
Qes0.569
Qms5.76
Vas0.73 ft³
Re (one coil)3.3 Ω
Sd55.2 in²
Xmax0.39″
Vd21.7 in³ calc.
Mms142 g calc.
BL14.3 T·m calc.
EBP69 — sealed or ported calc.
Sensitivity, 1 W / 1 m85.4 dB calc.

General

Size10″
Voice coilsdual 4 Ω
RMS power500 W

Mounting dimensions

Ø10 7/8″cutout Ø9 5/16″mounting depth 3 7/8″magnet Ø≈ 6 1/16″
Cutout diameter9 5/16″
Mounting depth3 7/8″
Overall diameter10 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 CT Sounds 10″ models