Celestion BN15-400X

15" · 8 Ω · 400 W · 96.4 dB · datasheet ↗

Thiele-Small parameters

Nominal size	15"
Impedance	8 Ω
Fs	44.9 Hz
Qts	0.59
Qes	0.72
Qms	3.27
Vas	146.5 L
Sd	854.9 cm²
Xmax	4 mm
Re	5.34 Ω
Bl	13.6 T·m
Mms	87.9 g
Pe	400 W
Sensitivity	96.4 dB

Alignment hint

EBP	62 · flexible
Sealed Vb (Qtc ≈ 0.71)	≈ 335.7 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
Celestion BN15-300X	45.9 +1	0.603 +0.01	153.4 +6.9	4 =	96.7 +0.3	close	300 W vs 400 W: lower power handling	+
SB Audience BIANCO-15MW200	44 -0.9	0.586 =	153 +6.5	5.2 +1.2	96 -0.4	close	200 W vs 400 W: lower power handling	+
SICA 15 BS 2.5 PL	44 -0.9	0.552 -0.04	160 +13.5	4 =	97.5 +1.1	close	250 W vs 400 W: lower power handling	+
LaVoce WSF152.50	46 +1.1	0.505 -0.08	137 -9.5	4.7 +0.7	97.3 +0.9	close	250 W vs 400 W: lower power handling	+
Faital PRO 15FH520	42 -2.9	0.62 +0.03	134.2 -12.3	9 +5	97 +0.6	close	16 Ω vs 8 Ω: amp load changes	+
Celestion BL15-150	49 +4.1	0.593 =	179.8 +33.3	4.3 +0.3	98.4 +2	close	150 W vs 400 W: lower power handling	+
JB Systems PWX15-300	40.1 -4.8	0.552 -0.04	169.9 +23.4	5 +1	96 -0.4	close	300 W vs 400 W: lower power handling	+
DAP Audio AB-15	46.7 +1.8	0.546 -0.04	122.3 -24.2	5.5 +1.5	95.4 -1	close		+
Eminence DELTA 15 LF	41 -3.9	0.584 -0.01	186.1 +39.6	6 +2	96 -0.4	close		+
Fane SOVEREIGN 15-250	43 -1.9	0.728 +0.14	144 -2.5	4.4 +0.4	94.6 -1.8	close	250 W vs 400 W: lower power handling	+

Compare the closest 3 against the BN15-400X →

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.