Gladen RS-X 08 Slim D2 (DVC 2 ohm)

8″ subwoofer · dual 2 Ω · 225 W RMS

Fs 44 HzQts 0.58Vas 0.45 ft³Xmax 0.31″

Recommended box

For a sedan, one sub, 225 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)
Qtc0.80
Fc61 Hz
F3 (−3 dB, no cabin gain)57 Hz
Example box (outside)10 1/4″ × 10 1/4″ × 13 3/16″
Open sealed box in designer

Ported

Net volume1.27 ft³ (36 L)
Tuning (Fb)34 Hz
Portslot 1 9/16 × 14 5/16″, 37 1/8″ long
Port velocity at 225 W45 ft/s
F3 (−3 dB, no cabin gain)30 Hz
Example box (outside)31 1/2″ × 15 3/4″ × 9 5/16″
Open ported box in designer
203040506080100150200606672788490HzdB
Sealed Ported · SPL in dB at 1 W / 1 m, no cabin gain

Thiele/Small parameters

Fs44 Hz
Qts0.58
Qes0.6
Qms17.4
Vas0.45 ft³
Re (one coil)1.8 Ω
Sd32.6 in²
Xmax0.31″
Vd10.3 in³ calc.
Mms64 g calc.
BL7.3 T·m calc.
EBP73 — sealed or ported calc.
Sensitivity, 1 W / 1 m84.6 dB calc.

General

Size8″
Voice coilsdual 2 Ω
RMS power225 W

Mounting dimensions

Ø8 7/16″cutout Ø7 1/16″mounting depth 2 15/16″magnet Ø5 3/16″
Cutout diameter7 1/16″
Mounting depth2 15/16″
Overall diameter8 7/16″
Magnet diameter5 3/16″

“≈” 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 Gladen 8″ models