Resilient Sounds Platinum 15 D1

15″ subwoofer · dual 1 Ω · 2,000 W RMS

Fs 27.8 HzQts 0.25Vas 2.15 ft³Xmax 1.18″

Recommended box

For a sedan, one sub, 2,000 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 volume1.36 ft³ (38.5 L)
Qtc0.41
Fc45 Hz
F3 (−3 dB, no cabin gain)93 Hz
Example box (outside)16 15/16″ × 16 15/16″ × 12 7/16″
Open sealed box in designer

Ported

Net volume2.30 ft³ (65 L)
Tuning (Fb)27 Hz
Portslot 1 15/16 × 16 5/16″, 46 9/16″ long
Port velocity at 2,000 W107 ft/s
F3 (−3 dB, no cabin gain)76 Hz
Example box (outside)31 1/2″ × 17 11/16″ × 14 1/16″
Open ported box in designer
203040506080100150200606672788490HzdB
Sealed Ported · SPL in dB at 1 W / 1 m, no cabin gain

Thiele/Small parameters

Fs27.8 Hz
Qts0.25
Qes0.27
Qms4.56
Vas2.15 ft³
Re (one coil)1 Ω
Sd120 in²
Xmax1.18″
Vd141.7 in³ calc.
Mms456 g calc.
BL17.2 T·m calc.
EBP103 — suits ported calc.
Sensitivity, 1 W / 1 m88.9 dB calc.

General

Size15″
Voice coilsdual 1 Ω
RMS power2,000 W

Mounting dimensions

Ø15 9/16″cutout Ø13 11/16″mounting depth 10″magnet Ø≈ 8 7/8″
Cutout diameter13 11/16″
Mounting depth10″
Overall diameter15 9/16″

Cone area (Sd) calculated from Fs, Vas and Mms: 120 in².

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 Resilient Sounds 15″ models