BMS 12N802

12" · 8 Ω · 1000 W · 98 dB

Thiele-Small parameters

Nominal size	12"
Impedance	8 Ω
Fs	43 Hz
Qts	0.24
Qes	0.25
Qms	5.2
Vas	65 L
Sd	531 cm²
Xmax	4.5 mm
Re	5.7 Ω
Bl	22.25 T·m
Mms	80 g
Pe	1000 W
Sensitivity	98 dB

Alignment hint

EBP	172 · ported
Sealed Vb (Qtc ≈ 0.71)	≈ 8.5 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
P.Audio C12-500MB	47 +4	0.238 =	73 +8	4.5 =	98 =	close	500 W vs 1000 W: lower power handling	+
BMS 12S302	45 +2	0.253 +0.01	65 =	4.5 =	96 -2	close	500 W vs 1000 W: lower power handling	+
BMS 12N620	44.7 +1.7	0.25 +0.01	72.7 +7.7	5.5 +1	98 =	close	500 W vs 1000 W: lower power handling	+
RCF LF12P903	47 +4	0.23 -0.01	65 =	7 +2.5	97.8 -0.2	close	500 W vs 1000 W: lower power handling	+
Fane COLOSSUS 12XB	43 =	0.243 =	78 +13	6 +1.5	97.7 -0.3	close	500 W vs 1000 W: lower power handling	+
PHL Audio 4071-1	47 +4	0.245 +0.01	57.8 -7.2	4.7 +0.2	97.2 -0.8	close	400 W vs 1000 W: lower power handling	+
Oberton 12B401	46.63 +3.63	0.245 +0.01	69.6 +4.6	6.75 +2.25	97 -1	close	400 W vs 1000 W: lower power handling	+
BMS 12N803	41 -2	0.24 =	77 +12	6 +1.5	97 -1	close		+
LaVoce NBASS12-30	46 +3	0.26 +0.02	68.63 +3.63	6.6 +2.1	97.5 -0.5	close	400 W vs 1000 W: lower power handling	+
Monacor SP-12/500FH	45 +2	0.251 +0.01	76.2 +11.2	6.4 +1.9	98.2 +0.2	close	500 W vs 1000 W: lower power handling	+

Compare the closest 3 against the 12N802 →

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.