Beyma SCW12

12" · 4 Ω · 250 W · 93.4 dB · datasheet ↗

Thiele-Small parameters

Nominal size	12"
Impedance	4 Ω
Fs	31 Hz
Qts	0.465
Qes	0.51
Qms	5.24
Vas	105 L
Sd	504 cm²
Xmax	4 mm
Re	3.5 Ω
Bl	10.9 T·m
Mms	89.4 g
Pe	250 W
Sensitivity	93.4 dB

Alignment hint

EBP	61 · flexible
Sealed Vb (Qtc ≈ 0.71)	≈ 80 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
Kenwood KFC-W112S	28 -3	0.457 -0.01	95.4 -9.6	4 =	91.7 -1.7	close		+
Focal 33S	25.9 -5.1	0.464 =	107.9 +2.9	7.5 +3.5	92.8 -0.6	close		+
JBL P1200	30 -1	0.45 -0.02	123 +18	7.8 +3.8	92.8 -0.6	close	8 Ω vs 4 Ω: amp load changes	+
Cerwin-Vega HED-12 2	26 -5	0.501 +0.04	109 +4	6 +2	93.6 +0.2	close	2 Ω vs 4 Ω: amp load changes	+
Triangle T36SV110C	30.7 -0.3	0.457 -0.01	91.3 -13.7	6 +2	89.6 -3.8	close	8 Ω vs 4 Ω: amp load changes	+
JBL GT2-12	29.5 -1.5	0.42 -0.05	114.9 +9.9	8 +4	94.1 +0.7	close		+
Nakamichi SP-W30S	27.8 -3.2	0.464 =	92.3 -12.7	6.6 +2.6	91.3 -2.1	close		+
Ciare M320.5	34.4 +3.4	0.43 -0.04	93.2 -11.8	4.4 +0.4	95.2 +1.8	close	100 W vs 250 W: lower power handling	+
Monacor SP-305I	40 +9	0.48 +0.01	118 +13	4 =	93.6 +0.2	close	8 Ω vs 4 Ω: amp load changes · 175 W vs 250 W: lower power handling	+
Kicker ES124	30.4 -0.6	0.549 +0.08	97.7 -7.3	6.2 +2.2	92.2 -1.2	close	125 W vs 250 W: lower power handling	+

Compare the closest 3 against the SCW12 →

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.