Massive Audio SUMMO 64

6″ subwoofer · 4 Ω · 150 W RMS

Fs 53.3 HzQts 0.65Vas 0.14 ft³Xmax 0.35″

Recommended box

For a sedan, one sub, 150 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 volume0.28 ft³ (8 L)
Qtc0.80
Fc65 Hz
F3 (−3 dB, no cabin gain)60 Hz
Example box (outside)9 1/16″ × 9 1/16″ × 10 5/16″
Open sealed box in designer

Ported

Net volume0.64 ft³ (18 L)
Tuning (Fb)40 Hz
Portround port Ø2 1/2″, 11 1/4″ long
Port velocity at 150 W124 ft/s
F3 (−3 dB, no cabin gain)34 Hz
Example box (outside)15 5/8″ × 15 3/4″ × 7 5/16″
Open ported box in designer
2030405060801001502006066727884HzdB
Sealed Ported · SPL in dB at 1 W / 1 m, no cabin gain

Thiele/Small parameters

Fs53.3 Hz
Qts0.65
Qes0.759
Qms4.76
Vas0.14 ft³
Re3.4 Ω
Sd21.7 in²
Xmax0.35″
Vd7.7 in³ calc.
Mms61 g calc.
BL9.6 T·m calc.
EBP70 — sealed or ported calc.
Sensitivity, 1 W / 1 m81.1 dB calc.

General

Size6″
Voice coils4 Ω
RMS power150 W

Mounting dimensions

Ø7 1/16″cutout Ø6″mounting depth 4 3/4″magnet Ø≈ 3 7/8″
Cutout diameter6″
Mounting depth4 3/4″
Overall diameter7 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 Massive Audio 6″ models