Beyma 12CXA400FE

12" · 8 Ω · 400 W · 98.1 dB · datasheet ↗

Thiele-Small parameters

Nominal size	12"
Impedance	8 Ω
Fs	42 Hz
Qts	0.251
Qes	0.26
Qms	7.2
Vas	119 L
Sd	550 cm²
Xmax	6 mm
Re	6.6 Ω
Bl	18.5 T·m
Mms	51.2 g
Pe	400 W
Sensitivity	98.1 dB

Alignment hint

EBP	162 · ported
Sealed Vb (Qtc ≈ 0.71)	≈ 17.2 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
PHL Audio 4500	42 =	0.274 +0.02	108 -11	5.7 -0.3	99 +0.9	close	300 W vs 400 W: lower power handling · Xmax 5.7 mm < 6 mm: lower excursion-limited SPL	+
SB Audience 12MW300	43 +1	0.264 +0.01	104 -15	5.6 -0.4	98.7 +0.6	close	300 W vs 400 W: lower power handling · Xmax 5.6 mm < 6 mm: lower excursion-limited SPL	+
AE Speakers TD12M	38.1 -3.9	0.25 =	140 +21	6 =	97.3 -0.8	close		+
Beyma 12CXA400Nd	45 +3	0.268 +0.02	102.2 -16.8	6 =	98 -0.1	close		+
Dayton Audio APOLLO 12N	38 -4	0.261 +0.01	128.1 +9.1	6.8 +0.8	96.4 -1.7	close		+
Beyma SM112-N2	40 -2	0.298 +0.05	117.3 -1.7	5.9 -0.1	96.9 -1.2	close	250 W vs 400 W: lower power handling · Xmax 5.9 mm < 6 mm: lower excursion-limited SPL	+
Precision Devices PD912	41.29 -0.71	0.25 =	97.87 -21.13	5 -1	97 -1.1	close	300 W vs 400 W: lower power handling · Xmax 5 mm < 6 mm: lower excursion-limited SPL	+
Beyma SM112/N v2021	40 -2	0.298 +0.05	117 -2	7 +1	96.9 -1.2	close		+
B&C 12CXN76	42 =	0.19 -0.06	120 +1	6 =	98.3 +0.2	close		+
Eminence KAPPA PRO 12	37 -5	0.241 -0.01	121 +2	4.8 -1.2	97.5 -0.6	close	Xmax 4.8 mm < 6 mm: lower excursion-limited SPL	+

Compare the closest 3 against the 12CXA400FE →

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.