Massive Audio GTX104H

10″ subwoofer · dual 4 Ω · 800 W RMS

Fs 40 HzQts 0.61Vas 0.24 ft³Xmax 0.59″
The published specs don’t add up:

Recommended box

For a sedan, one sub, 800 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 volume0.46 ft³ (13 L)
Qtc0.75
Fc49 Hz
F3 (−3 dB, no cabin gain)48 Hz
Example box (outside)12 3/16″ × 12 3/16″ × 9 3/16″
Open sealed box in designer

Ported

Net volume0.99 ft³ (28 L)
Tuning (Fb)28 Hz
Portround port Ø2 1/2″, 15 3/8″ long
Port velocity at 800 W309 ft/s
F3 (−3 dB, no cabin gain)24 Hz
Example box (outside)19 11/16″ × 15 3/4″ × 8 7/8″
Open ported box in designer
2030405060801001502006066727884HzdB
Sealed Ported · SPL in dB at 1 W / 1 m, no cabin gain

Thiele/Small parameters

Fs40 Hz
Qts0.61
Qes0.68
Qms5.87
Vas0.24 ft³
Re (one coil)3.4 Ω
Sd51.2 in²
Xmax0.59″
Vd30.2 in³ calc.
Mms364 g calc.
BL21.4 T·m calc.
EBP59 — sealed or ported calc.
Sensitivity, 1 W / 1 m80 dB calc.

General

Size10″
Voice coilsdual 4 Ω
RMS power800 W

Mounting dimensions

Ø10 3/8″cutout Ø9 1/16″mounting depth 6 5/16″magnet Ø≈ 5 7/8″
Cutout diameter9 1/16″
Mounting depth6 5/16″
Overall diameter10 3/8″

“≈” 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 Massive Audio 10″ models