Soundstream R3.10

10″ subwoofer · dual 2 Ω · 1,000 W RMS

Fs 34.6 HzQts 1.07Vas 1.18 ft³
The published specs don’t add up:

Recommended box

For a sedan, one sub, 1,000 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 volume1.20 ft³ (34 L)
Qtc1.51
Fc49 Hz
F3 (−3 dB, no cabin gain)35 Hz
Example box (outside)12 5/8″ × 12 5/8″ × 18 7/8″
Open sealed box in designer

Ported

Net volume2.05 ft³ (58 L)
Tuning (Fb)38 Hz
Portslot 2 3/8 × 14 5/16″, 25 13/16″ long
Port velocity at 1,000 W63 ft/s
F3 (−3 dB, no cabin gain)30 Hz
Example box (outside)31 1/2″ × 15 3/4″ × 12 3/8″
Open ported box in designer
203040506080100150200667278849096HzdB
Sealed Ported · SPL in dB at 1 W / 1 m, no cabin gain

Thiele/Small parameters

Fs34.6 Hz
Qts1.07
Qes1.253
Qms7.34
Vas1.18 ft³
Re (one coil)2.18 Ω
Sd≈ 52.7 in²
Xmax≈ 0.39″
EBP28 — suits sealed calc.
Sensitivity, 1 W / 1 m82.4 dB calc.

General

Size10″
Voice coilsdual 2 Ω
RMS power1,000 W

Mounting dimensions

Ø≈ 10 13/16″cutout Ø9 5/8″mounting depth 6″magnet Ø≈ 6 1/4″
Cutout diameter9 5/8″
Mounting depth6″

“≈” 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 Soundstream 10″ models