BMS 12N810

12" · 8 Ω · 600 W · 100 dB

Thiele-Small parameters

Nominal size	12"
Impedance	8 Ω
Fs	40.7 Hz
Qts	0.16
Qes	0.17
Qms	5.1
Vas	89.6 L
Sd	531 cm²
Xmax	2.5 mm
Re	5.8 Ω
Bl	24.5 T·m
Mms	68 g
Pe	600 W
Sensitivity	100 dB

Alignment hint

EBP	239 · ported
Sealed Vb (Qtc ≈ 0.71)	≈ 4.8 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
Ciare M320.75 C/Fx - 08	40 -0.7	0.155 -0.01	106 +16.4	2.3 -0.2	99.1 -0.9	close	100 W vs 600 W: lower power handling · Xmax 2.3 mm < 2.5 mm: lower excursion-limited SPL	+
BMS 12N820	37.8 -2.9	0.16 =	98.7 +9.1	4.5 +2	98 -2	close		+
B&C 12 NW 76	40 -0.7	0.163 =	76 -13.6	4.8 +2.3	98.3 -1.7	close		+
JBL 2202H	50 +9.3	0.171 +0.01	87.8 -1.8	2.6 +0.1	101.5 +1.5	close	150 W vs 600 W: lower power handling	+
B&C 12NW76	40 -0.7	0.16 =	76 -13.6	8 +5.5	98.5 -1.5	close		+
JBL 2202J	50 +9.3	0.173 +0.01	87.8 -1.8	2.6 +0.1	98.4 -1.6	close	16 Ω vs 8 Ω: amp load changes · 150 W vs 600 W: lower power handling	+
Elokance 12WF540SUB	41 +0.3	0.187 +0.03	79.7 -9.9	2.9 +0.4	98 -2	close	140 W vs 600 W: lower power handling	+
PHL Audio 4090	39 -1.7	0.19 +0.03	92 +2.4	5.1 +2.6	100.6 +0.6	close	4 Ω vs 8 Ω: amp load changes · 400 W vs 600 W: lower power handling	+
Beyma 12G250/R	42 +1.3	0.173 +0.01	106 +16.4	2 -0.5	99.5 -0.5	usable	200 W vs 600 W: lower power handling · Xmax 2 mm < 2.5 mm: lower excursion-limited SPL	+
RCF L 12P110K	44 +3.3	0.136 -0.02	98 +8.4	3 +0.5	101.3 +1.3	usable		+

Compare the closest 3 against the 12N810 →

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.