B&C 12BG76

12" · 8 Ω · 500 W · 92 dB · datasheet ↗

Thiele-Small parameters

Nominal size	12"
Impedance	8 Ω
Fs	44 Hz
Qts	0.41
Qes	0.44
Qms	5.9
Vas	32 L
Sd	522 cm²
Xmax	9.5 mm
Re	5.4 Ω
Bl	22.7 T·m
Mms	148 g
Pe	500 W
Sensitivity	92 dB

Alignment hint

EBP	100 · flexible
Sealed Vb (Qtc ≈ 0.71)	≈ 16.2 L

EBP 50-100: works in either a sealed or ported 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 12.00 SW	43.61 -0.39	0.38 -0.03	32 =	11.5 +2	90.1 -1.9	close		+
Faital PRO 12RS1066	45 +1	0.44 +0.03	28.4 -3.6	12.45 +2.95	92 =	close	16 Ω vs 8 Ω: amp load changes	+
B&C 12 BG 76	44 =	0.409 =	32 =	5.1 -4.4	91.6 -0.4	close	Xmax 5.1 mm < 9.5 mm: lower excursion-limited SPL	+
Faital PRO 12RS1066	42 -2	0.33 -0.08	31.5 -0.5	12.45 +2.95	93 +1	close		+
Faital PRO 12XL1200	50 +6	0.42 +0.01	25 -7	12.45 +2.95	93 +1	usable		+
MTX Audio TX812	35 -9	0.422 +0.01	24.6 -7.4	10 +0.5	91.6 -0.4	usable	4 Ω vs 8 Ω: amp load changes	+
DC Audio LV4 D2	35.9 -8.1	0.5 +0.09	30.6 -1.4	11 +1.5	92.2 +0.2	usable	4 Ω vs 8 Ω: amp load changes	+
Beyma 12LX60V2	49 +5	0.38 -0.03	43 +11	9 -0.5	92.9 +0.9	usable	350 W vs 500 W: lower power handling · Xmax 9 mm < 9.5 mm: lower excursion-limited SPL	+
Faital PRO 12RS550	42 -2	0.37 -0.04	45.4 +13.4	9.25 -0.25	93 +1	usable	Xmax 9.25 mm < 9.5 mm: lower excursion-limited SPL	+
FI Audio Q12 DUAL 2	33.9 -10.1	0.371 -0.04	28.3 -3.7	10.6 +1.1	91.1 -0.9	usable	4 Ω vs 8 Ω: amp load changes	+

Compare the closest 3 against the 12BG76 →

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.