LaVoce WSN122.50

12" · 8 Ω · 250 W · 97.5 dB · datasheet ↗

Thiele-Small parameters

Nominal size	12"
Impedance	8 Ω
Fs	53 Hz
Qts	0.36
Qes	0.39
Qms	4.31
Vas	69.44 L
Sd	531 cm²
Xmax	4.7 mm
Re	5.7 Ω
Bl	15.85 T·m
Mms	52.3 g
Pe	250 W
Sensitivity	97.5 dB

Alignment hint

EBP	136 · ported
Sealed Vb (Qtc ≈ 0.71)	≈ 24.3 L

EBP > 100: favours a ported (bass-reflex) 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
P.Audio WN-12R	50.3 -2.7	0.37 +0.01	68.7 -0.74	4.5 -0.2	97.2 -0.3	close	Xmax 4.5 mm < 4.7 mm: lower excursion-limited SPL	+
Faital PRO 12PR300-8	54 +1	0.382 +0.02	73.5 +4.06	4.9 +0.2	98.2 +0.7	close		+
Faital PRO 12PR300 v2015	50 -3	0.357 =	79.2 +9.76	4.9 +0.2	98 +0.5	close		+
SB Audience BIANCO-12MW200	50 -3	0.389 +0.03	68.7 -0.74	6 +1.3	97.2 -0.3	close		+
Faital PRO 12PR310-8	54 +1	0.396 +0.04	62.8 -6.64	4.9 +0.2	97.5 =	close		+
RCF L12P530	52 -1	0.34 -0.02	66 -3.44	4.5 -0.2	96 -1.5	close	150 W vs 250 W: lower power handling · Xmax 4.5 mm < 4.7 mm: lower excursion-limited SPL	+
LaVoce WSN122.50-16	53 =	0.4 +0.04	65.84 -3.6	4.6 -0.1	96.5 -1	close	16 Ω vs 8 Ω: amp load changes · Xmax 4.6 mm < 4.7 mm: lower excursion-limited SPL	+
LaVoce NBASS12-30-16	48 -5	0.34 -0.02	69.83 +0.39	7.3 +2.6	97.5 =	close	16 Ω vs 8 Ω: amp load changes	+
Monacor SP-12A/302PA	50 -3	0.335 -0.02	77 +7.56	5 +0.3	97.3 -0.2	close		+
Faital PRO 12HX500	54 +1	0.396 +0.04	62.3 -7.14	5.5 +0.8	97.2 -0.3	close		+

Compare the closest 3 against the WSN122.50 →

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.