Celestion BN12-300X

12" · 8 Ω · 300 W · 96.1 dB · datasheet ↗

Thiele-Small parameters

Nominal size	12"
Impedance	8 Ω
Fs	56.2 Hz
Qts	0.479
Qes	0.552
Qms	3.597
Vas	61.2 L
Sd	518 cm²
Xmax	4 mm
Re	6.17 Ω
Bl	13.9 T·m
Mms	49.3 g
Pe	300 W
Sensitivity	96.1 dB

Alignment hint

EBP	102 · ported
Sealed Vb (Qtc ≈ 0.71)	≈ 51.9 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
Fane SOVEREIGN 12-300 vp	54 -2.2	0.455 -0.02	59 -2.2	4.5 +0.5	96.2 +0.1	close		+
RCF L12CX2K	59.7 +3.5	0.46 -0.02	65 +3.8	4 =	96.3 +0.2	close	75 W vs 300 W: lower power handling	+
Eminence DELTA 12 LF v2	51 -5.2	0.477 =	67.9 +6.7	4.6 +0.6	95.7 -0.4	close		+
JB Systems PWX12-200	59.4 +3.2	0.474 -0.01	55.5 -5.7	3.6 -0.4	96.5 +0.4	close	200 W vs 300 W: lower power handling · Xmax 3.6 mm < 4 mm: lower excursion-limited SPL	+
Eminence DELTA 12 LFA	51 -5.2	0.477 =	67.9 +6.7	4.8 +0.8	95.7 -0.4	close		+
Faital PRO 12FH520	55 -1.2	0.47 -0.01	56.4 -4.8	7 +3	97 +0.9	close	16 Ω vs 8 Ω: amp load changes	+
Faital PRO 12HX230	55 -1.2	0.433 -0.05	56.6 -4.6	4.7 +0.7	96.9 +0.8	close		+
P.Audio E12-200S v2024	59 +2.8	0.569 +0.09	62 +0.8	4.1 +0.1	96.4 +0.3	close	200 W vs 300 W: lower power handling	+
Monacor SP-12/100PA v3	56.4 +0.2	0.491 +0.01	66.7 +5.5	3 -1	96.5 +0.4	close	100 W vs 300 W: lower power handling · Xmax 3 mm < 4 mm: lower excursion-limited SPL	+
Eminence DELTA-12LFA	51 -5.2	0.47 -0.01	67.9 +6.7	4.8 +0.8	94.6 -1.5	close		+

Compare the closest 3 against the BN12-300X →

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.