CT Sounds HYDRO-10 D2

10″ subwoofer · dual 2 Ω · 500 W RMS

Fs 38.5 HzQts 0.46Vas 0.70 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 volume0.49 ft³ (14 L)
Qtc0.72
Fc60 Hz
F3 (−3 dB, no cabin gain)62 Hz
Example box (outside)12 5/8″ × 12 5/8″ × 9 1/8″
Open sealed box in designer

Ported

Net volume1.17 ft³ (33 L)
Tuning (Fb)35 Hz
Portslot 1 9/16 × 14 5/16″, 38 5/16″ long
Port velocity at 500 W59 ft/s
F3 (−3 dB, no cabin gain)32 Hz
Example box (outside)31 1/2″ × 15 3/4″ × 9 1/16″
Open ported box in designer
203040506080100150200606672788490HzdB
Sealed Ported · SPL in dB at 1 W / 1 m, no cabin gain

Thiele/Small parameters

Fs38.5 Hz
Qts0.46
Qes0.504
Qms5.84
Vas0.70 ft³
Re (one coil)1.95 Ω
Sd55.2 in²
Xmax0.39″
Vd21.7 in³ calc.
Mms155 g calc.
BL12 T·m calc.
EBP76 — sealed or ported calc.
Sensitivity, 1 W / 1 m85.5 dB calc.

General

Size10″
Voice coilsdual 2 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