AMP MASS 800 15D2 V.2

15″ subwoofer · dual 2 Ω · 800 W RMS

Fs 23 HzQts 0.42Vas 3.53 ft³Xmax 0.59″

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 volume1.34 ft³ (38 L)
Qtc0.80
Fc44 Hz
F3 (−3 dB, no cabin gain)42 Hz
Example box (outside)16 15/16″ × 16 15/16″ × 12 5/16″
Open sealed box in designer

Ported

Net volume4.45 ft³ (126 L)
Tuning (Fb)25 Hz
Portslot 2 3/4 × 16 5/16″, 37 5/8″ long
Port velocity at 800 W62 ft/s
F3 (−3 dB, no cabin gain)23 Hz
Example box (outside)31 1/2″ × 17 11/16″ × 21 7/8″
Open ported box in designer
203040506080100150200606672788490HzdB
Sealed Ported · SPL in dB at 1 W / 1 m, no cabin gain

Thiele/Small parameters

Fs23 Hz
Qts0.42
Qes0.46
Qms5.04
Vas3.53 ft³
Re (one coil)2.2 Ω
Sd128.7 in²
Xmax0.59″
Vd76 in³ calc.
Mms467 g calc.
BL18 T·m calc.
EBP50 — sealed or ported calc.
Sensitivity, 1 W / 1 m86.2 dB calc.

General

Size15″
Voice coilsdual 2 Ω
RMS power800 W

Mounting dimensions

Ø15 9/16″cutout Ø13 15/16″mounting depth 7 1/16″magnet Ø7 1/16″
Cutout diameter13 15/16″
Mounting depth7 1/16″
Overall diameter15 9/16″
Magnet 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 AMP 15″ models