AMP MASS 300 10D2 V.2

10″ subwoofer · dual 2 Ω · 300 W RMS

Fs 35 HzQts 0.50Vas 0.66 ft³Xmax 0.39″

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 volume0.49 ft³ (14 L)
Qtc0.76
Fc53 Hz
F3 (−3 dB, no cabin gain)52 Hz
Example box (outside)12 3/16″ × 12 3/16″ × 9 11/16″
Open sealed box in designer

Ported

Net volume1.34 ft³ (38 L)
Tuning (Fb)30 Hz
Portround port Ø3″, 13 3/8″ long
Port velocity at 300 W150 ft/s
F3 (−3 dB, no cabin gain)27 Hz
Example box (outside)30 3/16″ × 15 3/4″ × 7 11/16″
Open ported box in designer
2030405060801001502006066727884HzdB
Sealed Ported · SPL in dB at 1 W / 1 m, no cabin gain

Thiele/Small parameters

Fs35 Hz
Qts0.50
Qes0.545
Qms6
Vas0.66 ft³
Re (one coil)≈ 1.7 Ω
Sd≈ 52.7 in²
Xmax0.39″
EBP64 — sealed or ported calc.
Sensitivity, 1 W / 1 m83.7 dB calc.

General

Size10″
Voice coilsdual 2 Ω
RMS power300 W

Mounting dimensions

Ø≈ 10 5/16″cutout ≈ Ø9 1/8″mounting depth ≈ 5 1/8″magnet Ø5 11/16″
Cutout diameter≈ 9 1/8″
Mounting depth≈ 5 1/8″
Magnet diameter5 11/16″

Only Qts is published — Qms assumed to be 6 and Qes calculated (barely affects box design).

“≈” 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 AMP 10″ models