Prology RX-10 Kraken

10″ subwoofer · 4 Ω · 200 W RMS

Fs 45.3 HzQts 0.58Vas 0.71 ft³

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 volume0.74 ft³ (21 L)
Qtc0.80
Fc63 Hz
F3 (−3 dB, no cabin gain)59 Hz
Example box (outside)12 3/16″ × 12 3/16″ × 13 3/8″
Open sealed box in designer

Ported

Net volume1.98 ft³ (56 L)
Tuning (Fb)35 Hz
Portslot 1 9/16 × 14 5/16″, 21″ long
Port velocity at 200 W50 ft/s
F3 (−3 dB, no cabin gain)31 Hz
Example box (outside)31 1/2″ × 15 3/4″ × 11 1/16″
Open ported box in designer
203040506080100150200606672788490HzdB
Sealed Ported · SPL in dB at 1 W / 1 m, no cabin gain

Thiele/Small parameters

Fs45.3 Hz
Qts0.58
Qes0.68
Qms3.73
Vas0.71 ft³
Re3.6 Ω
Sd51.2 in²
Xmax≈ 0.39″
Mms95 g calc.
BL12 T·m calc.
EBP67 — sealed or ported calc.
Sensitivity, 1 W / 1 m86.4 dB calc.

General

Size10″
Voice coils4 Ω
RMS power200 W

Mounting dimensions

Ø≈ 10 1/4″cutout Ø9 1/16″mounting depth 4 5/16″magnet Ø≈ 5 7/8″
Cutout diameter9 1/16″
Mounting depth4 5/16″

“≈” 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 Prology 10″ models