Massive Audio GTR104

10″ subwoofer · dual 4 Ω · 1,000 W RMS

Fs 37.2 HzQts 0.56Vas 0.55 ft³Xmax 0.59″

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 volume0.53 ft³ (15 L)
Qtc0.80
Fc53 Hz
F3 (−3 dB, no cabin gain)50 Hz
Example box (outside)12 3/16″ × 12 3/16″ × 10 1/4″
Open sealed box in designer

Ported

Net volume1.59 ft³ (45 L)
Tuning (Fb)29 Hz
Portslot 1 9/16 × 14 5/16″, 41 3/16″ long
Port velocity at 1,000 W91 ft/s
F3 (−3 dB, no cabin gain)26 Hz
Example box (outside)31 1/2″ × 15 3/4″ × 11″
Open ported box in designer
2030405060801001502006066727884HzdB
Sealed Ported · SPL in dB at 1 W / 1 m, no cabin gain

Thiele/Small parameters

Fs37.2 Hz
Qts0.56
Qes0.67
Qms3.41
Vas0.55 ft³
Re (one coil)3.4 Ω
Sd54.3 in²
Xmax0.59″
Vd32 in³ calc.
Mms203 g calc.
BL15.5 T·m calc.
EBP56 — sealed or ported calc.
Sensitivity, 1 W / 1 m82.8 dB calc.

General

Size10″
Voice coilsdual 4 Ω
RMS power1,000 W

Mounting dimensions

Ø11″cutout Ø9″mounting depth 6 13/16″magnet Ø≈ 5 7/8″
Cutout diameter9″
Mounting depth6 13/16″
Overall diameter11″

Judging by its value, the published Re is for both coils in series — converted to per coil.

“≈” 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