Earthquake Tremor-X104

10″ subwoofer · 4 Ω · 300 W RMS

Fs 33.7 HzQts 0.53Vas 2.10 ft³Xmax 1.00″

Recommended box

For a sedan, one sub, 300 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)
Qtc0.88
Fc56 Hz
F3 (−3 dB, no cabin gain)49 Hz
Example box (outside)12 3/16″ × 12 3/16″ × 20 3/16″
Open sealed box in designer

Ported

Net volume2.05 ft³ (58 L)
Tuning (Fb)39 Hz
Portslot 1 9/16 × 14 5/16″, 15 7/16″ long
Port velocity at 300 W54 ft/s
F3 (−3 dB, no cabin gain)36 Hz
Example box (outside)31 1/2″ × 15 3/4″ × 10 15/16″
Open ported box in designer
203040506080100150200667278849096HzdB
Sealed Ported · SPL in dB at 1 W / 1 m, no cabin gain

Thiele/Small parameters

Fs33.7 Hz
Qts0.53
Qes0.642
Qms3.1
Vas2.10 ft³
Re≈ 3.4 Ω
Sd≈ 52.7 in²
Xmax1.00″
EBP52 — sealed or ported calc.
Sensitivity, 1 W / 1 m87.5 dB calc.

General

Size10″
Voice coils4 Ω
RMS power300 W

Mounting dimensions

Ø10 1/16″cutout ≈ Ø9 1/16″mounting depth 5 3/16″magnet Ø≈ 5 7/8″
Cutout diameter≈ 9 1/16″
Mounting depth5 3/16″
Overall diameter10 1/16″

“≈” 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 Earthquake 10″ models