Pioneer TS-W250R

10" · 4 Ω · 120 W · 86.8 dB · datasheet ↗

Thiele-Small parameters

Nominal size	10"
Impedance	4 Ω
Fs	31.4 Hz
Qts	0.552
Qes	0.591
Qms	8.5
Vas	59.88 L
Sd	349 cm²
Xmax	5.2 mm
Re	3 Ω
Bl	8.7 T·m
Mms	74.2 g
Pe	120 W
Sensitivity	86.8 dB

Alignment hint

EBP	53 · flexible
Sealed Vb (Qtc ≈ 0.71)	≈ 93.4 L

EBP 50-100: works in either a sealed or ported alignment.

Rules of thumb from T/S parameters only. Verify against a real simulation before cutting wood.

Substitute candidates

Driver	Fs (Hz)	Qts	Vas (L)	Xmax (mm)	Sens (dB)	Fit	Notes	Compare
Rockford Fosgate P110S8	33 +1.6	0.551 =	44.4 -15.48	6.2 +1	87.1 +0.3	close	8 Ω vs 4 Ω: amp load changes	+
Peerless SLS10 P830668 v2012	32 +0.6	0.545 -0.01	72.9 +13.02	5.7 +0.5	89.6 +2.8	close	8 Ω vs 4 Ω: amp load changes · 70 W vs 120 W: lower power handling	+
Skytronic 902.214	34.3 +2.9	0.595 +0.04	70.2 +10.32	6.1 +0.9	87.7 +0.9	close	8 Ω vs 4 Ω: amp load changes	+
Peerless SLS10 830668	33.3 +1.9	0.51 -0.04	69.3 +9.42	5.4 +0.2	90.1 +3.3	usable	8 Ω vs 4 Ω: amp load changes · 70 W vs 120 W: lower power handling	+
GRS 10SW-4	34 +2.6	0.634 +0.08	57.5 -2.38	6.3 +1.1	89.5 +2.7	usable	8 Ω vs 4 Ω: amp load changes	+
Peerless SLS W 10-30/08	33 +1.6	0.51 -0.04	69.3 +9.42	6.5 +1.3	89.9 +3.1	usable	8 Ω vs 4 Ω: amp load changes	+
Alpine SWE-1044E	34 +2.6	0.497 -0.06	49 -10.88	8.5 +3.3	86.9 +0.1	usable		+
Hertz Audio ES 250	26.9 -4.5	0.54 -0.01	54 -5.88	9 +3.8	84.4 -2.4	usable		+
Monacor SPH-10M	29 -2.4	0.488 -0.06	73.5 +13.62	6.3 +1.1	87.6 +0.8	usable	8 Ω vs 4 Ω: amp load changes	+
Peerless SLS10 P830668 v2009	33 +1.6	0.591 +0.04	75.7 +15.82	5.8 +0.6	89.7 +2.9	usable	8 Ω vs 4 Ω: amp load changes · 70 W vs 120 W: lower power handling	+

Compare the closest 3 against the TS-W250R →

Ranked on parameter similarity only (Qts, Fs, Vas, Xmax, sensitivity). Same nominal size required. A hint, not a simulation, model the swap before cutting or buying.

Used in enclosures (0)

No enclosure in the catalog uses this driver yet.