Beyma 12CXA400Nd

12" · 8 Ω · 400 W · 98 dB · datasheet ↗

Thiele-Small parameters

Nominal size	12"
Impedance	8 Ω
Fs	45 Hz
Qts	0.268
Qes	0.28
Qms	6.24
Vas	102.2 L
Sd	550 cm²
Xmax	6 mm
Re	6.6 Ω
Bl	18.6 T·m
Mms	51.9 g
Pe	400 W
Sensitivity	98 dB

Alignment hint

EBP	161 · ported
Sealed Vb (Qtc ≈ 0.71)	≈ 17.1 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
SB Audience 12MW300	43 -2	0.264 =	104 +1.8	5.6 -0.4	98.7 +0.7	close	300 W vs 400 W: lower power handling · Xmax 5.6 mm < 6 mm: lower excursion-limited SPL	+
Beyma SM112	45 =	0.262 -0.01	101 -1.2	4.8 -1.2	98.3 +0.3	close	250 W vs 400 W: lower power handling · Xmax 4.8 mm < 6 mm: lower excursion-limited SPL	+
PHL Audio 4500	42 -3	0.274 +0.01	108 +5.8	5.7 -0.3	99 +1	close	300 W vs 400 W: lower power handling · Xmax 5.7 mm < 6 mm: lower excursion-limited SPL	+
Beyma 12"WR400	42 -3	0.27 =	91 -11.2	6.3 +0.3	97 -1	close		+
Beyma 12CXA400Nd v2018	45 =	0.251 -0.02	88.5 -13.7	5.5 -0.5	97.7 -0.3	close	Xmax 5.5 mm < 6 mm: lower excursion-limited SPL	+
Beyma 12CXA400FE	42 -3	0.251 -0.02	119 +16.8	6 =	98.1 +0.1	close		+
Faital PRO 12FH500	45 =	0.25 -0.02	87.3 -14.9	7.5 +1.5	97 -1	close		+
Beyma 12WR400	42 -3	0.285 +0.02	91.1 -11.1	6.3 +0.3	96.9 -1.1	close		+
18 Sound 12ND730	45 =	0.23 -0.04	90 -12.2	6.5 +0.5	98 =	close		+
Fane SOVEREIGN PRO 12-500	43 -2	0.314 +0.05	107 +4.8	6 =	97.4 -0.6	close		+

Compare the closest 3 against the 12CXA400Nd →

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.