Pioneer TS-W1RS

12" · 4 Ω · 100 W · 95.5 dB · datasheet ↗

Thiele-Small parameters

Nominal size	12"
Impedance	4 Ω
Fs	40.2 Hz
Qts	0.516
Qes	0.533
Qms	16.36
Vas	75.5 L
Sd	510.7 cm²
Xmax	4.2 mm
Re	3.3 Ω
Bl	10.9 T·m
Mms	75.9 g
Pe	100 W
Sensitivity	95.5 dB

Alignment hint

EBP	75 · flexible
Sealed Vb (Qtc ≈ 0.71)	≈ 86 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
Audax HT300G0	36.8 -3.4	0.531 +0.02	77.7 +2.2	6.6 +2.4	94.4 -1.1	close		+
Ciare HSB322-22 vp	42.5 +2.3	0.484 -0.03	77 +1.5	7.3 +3.1	96.4 +0.9	close		+
Elder Audio 12LB075-UMOD	40 -0.2	0.472 -0.04	73 -2.5	5.5 +1.3	93.1 -2.4	close	8 Ω vs 4 Ω: amp load changes	+
Siare 31TE vp 2	41.3 +1.1	0.506 -0.01	99.9 +24.4	4.7 +0.5	95.6 +0.1	close	8 Ω vs 4 Ω: amp load changes	+
Siare 31TE vp 1	43.8 +3.6	0.545 +0.03	91.5 +16	4.5 +0.3	95.5 =	close	8 Ω vs 4 Ω: amp load changes	+
Faital PRO 12FE300	47 +6.8	0.51 -0.01	83.7 +8.2	5.07 +0.87	97 +1.5	close	8 Ω vs 4 Ω: amp load changes	+
Radian 5212-8	45.1 +4.9	0.489 -0.03	87.9 +12.4	5 +0.8	94.7 -0.8	close	8 Ω vs 4 Ω: amp load changes	+
Radian CRS1230	48 +7.8	0.464 -0.05	76 +0.5	5.5 +1.3	95.8 +0.3	close	8 Ω vs 4 Ω: amp load changes	+
Dayton Audio 310-8	44.4 +4.2	0.482 -0.03	81.9 +6.4	3.5 -0.7	94.9 -0.6	close	8 Ω vs 4 Ω: amp load changes · Xmax 3.5 mm < 4.2 mm: lower excursion-limited SPL	+
DAS Audio 12P	46.2 +6	0.459 -0.06	73.6 -1.9	6 +1.8	94.6 -0.9	close	8 Ω vs 4 Ω: amp load changes	+

Compare the closest 3 against the TS-W1RS →

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.