Celestion BN12-300S(8)

12" · 8 Ω · 300 W · 97 dB · datasheet ↗

Thiele-Small parameters

Nominal size	12"
Impedance	8 Ω
Fs	62.1 Hz
Qts	0.319
Qes	0.361
Qms	2.7
Vas	50 L
Sd	531 cm²
Xmax	2.5 mm
Re	5.1 Ω
Bl	17 T·m
Mms	52.4 g
Pe	300 W
Sensitivity	97 dB

Alignment hint

EBP	172 · ported
Sealed Vb (Qtc ≈ 0.71)	≈ 12.8 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
Celestion TN1225	60.5 -1.6	0.33 +0.01	53.9 +3.9	2.5 =	99 +2	close		+
P.Audio P-12N	57 -5.1	0.319 =	42.4 -7.6	2.5 =	97.7 +0.7	close		+
18 Sound PWX12	61.3 -0.8	0.341 +0.02	56.2 +6.2	2.9 +0.4	98.6 +1.6	close	200 W vs 300 W: lower power handling	+
Fostex L 363 B	55 -7.1	0.33 +0.01	57 +7	2.9 +0.4	97 =	close	150 W vs 300 W: lower power handling	+
Celestion TF 1225CX	63.5 +1.4	0.358 +0.04	45.1 -4.9	2.5 =	98.1 +1.1	close		+
PD PD 123ER v2024	55.9 -6.2	0.293 -0.03	54.5 +4.5	2.5 =	97.7 +0.7	close		+
Precision Devices PD 123ER v2024	55.9 -6.2	0.293 -0.03	54.5 +4.5	2.5 =	97.7 +0.7	close		+
Fostex L 363	55 -7.1	0.33 +0.01	56.6 +6.6	2.3 -0.2	97 =	close	150 W vs 300 W: lower power handling · Xmax 2.3 mm < 2.5 mm: lower excursion-limited SPL	+
Turbosound TS-12W350/8W	55 -7.1	0.347 +0.03	49 -1	4 +1.5	96.9 -0.1	close		+
Celestion NTR12-3018D	56.4 -5.7	0.295 -0.02	51.8 +1.8	3.9 +1.4	97.9 +0.9	close		+

Compare the closest 3 against the BN12-300S(8) →

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.