Pioneer TS-W259D4

10″ subwoofer · dual 4 Ω · 350 W RMS

Fs 48 HzQts 1.00Vas 0.52 ft³Xmax 0.47″

Recommended box

For a sedan, one sub, 350 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 volume1.02 ft³ (29 L)
Qtc1.23
Fc59 Hz
F3 (−3 dB, no cabin gain)44 Hz
Example box (outside)12 5/8″ × 12 5/8″ × 16 7/16″
Open sealed box in designer

Ported

Net volume2.05 ft³ (58 L)
Tuning (Fb)37 Hz
Portslot 1 3/4 × 14 5/16″, 20 1/16″ long
Port velocity at 350 W61 ft/s
F3 (−3 dB, no cabin gain)30 Hz
Example box (outside)31 1/2″ × 15 3/4″ × 11 7/16″
Open ported box in designer
203040506080100150200606672788490HzdB
Sealed Ported · SPL in dB at 1 W / 1 m, no cabin gain

Thiele/Small parameters

Fs48 Hz
Qts1.00
Qes1.2
Qms6
Vas0.52 ft³
Re (one coil)≈ 3.4 Ω
Sd≈ 52.7 in²
Xmax0.47″
EBP40 — suits sealed calc.
Sensitivity, 1 W / 1 m83.3 dB calc.

General

Size10″
Voice coilsdual 4 Ω
RMS power350 W

Mounting dimensions

Ø≈ 10 9/16″cutout Ø9 3/8″mounting depth 5 1/2″magnet Ø≈ 6 1/16″
Cutout diameter9 3/8″
Mounting depth5 1/2″

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 Pioneer 10″ models