Celestion BN12-300S8

12" · 8 Ω · 300 W · 98.8 dB · datasheet ↗

Thiele-Small parameters

Nominal size	12"
Impedance	8 Ω
Fs	69.3 Hz
Qts	0.392
Qes	0.43
Qms	4.45
Vas	43.5 L
Sd	518 cm²
Xmax	2.5 mm
Re	5.58 Ω
Bl	16.1 T·m
Mms	45.6 g
Pe	300 W
Sensitivity	98.8 dB

Alignment hint

EBP	161 · ported
Sealed Vb (Qtc ≈ 0.71)	≈ 19.3 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
JBL 2022H	75 +5.7	0.399 +0.01	42.5 -1	3.4 +0.9	100.5 +1.7	close		+
HH Electronics B12L	64 -5.3	0.382 -0.01	44.8 +1.3	3.4 +0.9	97.4 -1.4	close	200 W vs 300 W: lower power handling	+
Celestion TF 1225CX	63.5 -5.8	0.358 -0.03	45.1 +1.6	2.5 =	98.1 -0.7	close		+
P.Audio SN-12MB mk2	62 -7.3	0.413 +0.02	43.6 +0.1	5 +2.5	97.6 -1.2	close		+
RCF L12P520	65 -4.3	0.37 -0.02	47 +3.5	4 +1.5	97 -1.8	close	125 W vs 300 W: lower power handling	+
RCF L 12P520	65 -4.3	0.355 -0.04	49 +5.5	3.4 +0.9	99.6 +0.8	close		+
Celestion FTR12-3070C	66.1 -3.2	0.332 -0.06	39.6 -3.9	3 +0.5	98.5 -0.3	close		+
MC Kenzie MK C12-200BS vp1	72.1 +2.8	0.345 -0.05	38 -5.5	2.3 -0.2	98.5 -0.3	close	200 W vs 300 W: lower power handling · Xmax 2.3 mm < 2.5 mm: lower excursion-limited SPL	+
Beyma 12MCS500-8	62 -7.3	0.417 +0.02	44 +0.5	4.9 +2.4	97.2 -1.6	close		+
JBL 2023H	67 -2.3	0.347 -0.05	48.8 +5.3	3.7 +1.2	99.8 +1	close		+

Compare the closest 3 against the BN12-300S8 →

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.