SB Audience 12MWN400D

12" · 8 Ω · 400 W · 95.8 dB · datasheet ↗

Thiele-Small parameters

Nominal size	12"
Impedance	8 Ω
Fs	66 Hz
Qts	0.518
Qes	0.55
Qms	8.98
Vas	31.1 L
Sd	543.3 cm²
Xmax	3.9 mm
Re	5.4 Ω
Bl	17.7 T·m
Mms	77.4 g
Pe	400 W
Sensitivity	95.8 dB

Alignment hint

EBP	120 · ported
Sealed Vb (Qtc ≈ 0.71)	≈ 36 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
18 Sound 12NTLW2500	62 -4	0.5 -0.02	42 +10.9	7.6 +3.7	97 +1.2	usable	16 Ω vs 8 Ω: amp load changes	+
P.Audio EM12-LB600	62 -4	0.431 -0.09	39.8 +8.7	4 +0.1	96.7 +0.9	usable		+
18 Sound 12NTLW3500	57 -9	0.54 +0.02	40 +8.9	7.9 +4	95 -0.8	usable	16 Ω vs 8 Ω: amp load changes	+
P.Audio E12-300S	62 -4	0.49 -0.03	49.05 +17.95	3.4 -0.5	95.3 -0.5	usable	200 W vs 400 W: lower power handling · Xmax 3.4 mm < 3.9 mm: lower excursion-limited SPL	+
Celestion TF1230	59 -7	0.515 =	51.25 +20.15	4.8 +0.9	94 -1.8	usable		+
RCF L12/565K	63 -3	0.56 +0.04	57 +25.9	4 +0.1	95.7 -0.1	usable	200 W vs 400 W: lower power handling	+
P.Audio E12-200S	59.7 -6.3	0.475 -0.04	49.1 +18	3.5 -0.4	96.6 +0.8	usable	200 W vs 400 W: lower power handling · Xmax 3.5 mm < 3.9 mm: lower excursion-limited SPL	+
Beyma 12MCS500-8	62 -4	0.417 -0.1	44 +12.9	4.9 +1	97.2 +1.4	usable		+
Celestion TF 1225	63 -3	0.5 -0.02	54.5 +23.4	3.5 -0.4	97.9 +2.1	usable	300 W vs 400 W: lower power handling · Xmax 3.5 mm < 3.9 mm: lower excursion-limited SPL	+
P.Audio SN-12MB mk2	62 -4	0.413 -0.11	43.6 +12.5	5 +1.1	97.6 +1.8	usable		+

Compare the closest 3 against the 12MWN400D →

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.