Beyma 12LW30/N

12" · 8 Ω · 450 W · 96.2 dB · datasheet ↗

Thiele-Small parameters

Nominal size	12"
Impedance	8 Ω
Fs	38 Hz
Qts	0.287
Qes	0.3
Qms	6.6
Vas	109 L
Sd	540 cm²
Xmax	7 mm
Re	6.1 Ω
Bl	17.9 T·m
Mms	65.8 g
Pe	450 W
Sensitivity	96.2 dB

Alignment hint

EBP	127 · ported
Sealed Vb (Qtc ≈ 0.71)	≈ 21.5 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
McCauley B1240	38 =	0.286 =	110 +1	6.5 -0.5	96.3 +0.1	close	350 W vs 450 W: lower power handling · Xmax 6.5 mm < 7 mm: lower excursion-limited SPL	+
Beyma SM112/N v2021	40 +2	0.298 +0.01	117 +8	7 =	96.9 +0.7	close		+
Eminence KAPPALITE 3012 LF-4	36.4 -1.6	0.308 +0.02	107.4 -1.6	8.1 +1.1	97.2 +1	close	4 Ω vs 8 Ω: amp load changes	+
Eminence KAPPALITE 3012 LF	37 -1	0.324 +0.04	106.7 -2.3	8.2 +1.2	95.5 -0.7	close		+
Eminence KappaLITE 3012LF	37 -1	0.32 +0.03	106.65 -2.35	9.1 +2.1	95.5 -0.7	close		+
Dayton Audio APOLLO 12N	38 =	0.261 -0.03	128.1 +19.1	6.8 -0.2	96.4 +0.2	close	Xmax 6.8 mm < 7 mm: lower excursion-limited SPL	+
Beyma SM112-N2	40 +2	0.298 +0.01	117.3 +8.3	5.9 -1.1	96.9 +0.7	close	250 W vs 450 W: lower power handling · Xmax 5.9 mm < 7 mm: lower excursion-limited SPL	+
Magnat SUB 300 SUPREME	30 -8	0.289 =	110 +1	7.6 +0.6	95.5 -0.7	close	4 Ω vs 8 Ω: amp load changes · 300 W vs 450 W: lower power handling	+
Beyma SM112/N	38 =	0.27 -0.02	138 +29	7.3 +0.3	97.2 +1	close		+
PHL Audio 4510	42 +4	0.307 +0.02	108 -1	6 -1	97.3 +1.1	close	300 W vs 450 W: lower power handling · Xmax 6 mm < 7 mm: lower excursion-limited SPL	+

Compare the closest 3 against the 12LW30/N →

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.