Massive Audio SUMMO64S

6″ subwoofer · dual 4 Ω · 200 W RMS

Fs 58.5 HzQts 0.73Vas 0.12 ft³Xmax 0.31″

Recommended box

For a sedan, one sub, 200 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 volume0.25 ft³ (7 L)
Qtc0.89
Fc71 Hz
F3 (−3 dB, no cabin gain)61 Hz
Example box (outside)9 1/16″ × 9 1/16″ × 9 1/4″
Open sealed box in designer

Ported

Net volume0.71 ft³ (20 L)
Tuning (Fb)36 Hz
Portround port Ø2 1/2″, 12 11/16″ long
Port velocity at 200 W143 ft/s
F3 (−3 dB, no cabin gain)31 Hz
Example box (outside)20 15/16″ × 15 3/4″ × 6 5/16″
Open ported box in designer
2030405060801001502006066727884HzdB
Sealed Ported · SPL in dB at 1 W / 1 m, no cabin gain

Thiele/Small parameters

Fs58.5 Hz
Qts0.73
Qes0.865
Qms4.72
Vas0.12 ft³
Re (one coil)3.4 Ω
Sd22.2 in²
Xmax0.31″
Vd7 in³ calc.
Mms66 g calc.
BL9.7 T·m calc.
EBP68 — sealed or ported calc.
Sensitivity, 1 W / 1 m80.8 dB calc.

General

Size6″
Voice coilsdual 4 Ω
RMS power200 W

Mounting dimensions

Ø7 1/16″cutout Ø5 15/16″mounting depth 3 7/8″magnet Ø≈ 3 7/8″
Cutout diameter5 15/16″
Mounting depth3 7/8″
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