B&C 15 BG 100

15" · 8 Ω · 1000 W · 92.9 dB · datasheet ↗

Thiele-Small parameters

Nominal size	15"
Impedance	8 Ω
Fs	36 Hz
Qts	0.446
Qes	0.49
Qms	5
Vas	83 L
Sd	855 cm²
Xmax	8 mm
Re	5.1 Ω
Bl	23.8 T·m
Mms	241.3 g
Pe	1000 W
Sensitivity	92.9 dB

Alignment hint

EBP	73 · flexible
Sealed Vb (Qtc ≈ 0.71)	≈ 54.8 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
B&C 15BG100	36 =	0.44 -0.01	83 =	10.5 +2.5	94.5 +1.6	close		+
Ciare 15.00SW	38.2 +2.2	0.415 -0.03	77 -6	8.4 +0.4	92.6 -0.3	close		+
JBL 15WT3000	41 +5	0.44 -0.01	76.3 -6.7	10.6 +2.6	92.5 -0.4	close	4 Ω vs 8 Ω: amp load changes	+
Ciare 15.00 SW	38.2 +2.2	0.41 -0.04	77 -6	11.5 +3.5	91.7 -1.2	close		+
Gladen SQX15	35.5 -0.5	0.513 +0.07	80.7 -2.3	7 -1	94.3 +1.4	close	4 Ω vs 8 Ω: amp load changes · 700 W vs 1000 W: lower power handling · Xmax 7 mm < 8 mm: lower excursion-limited SPL	+
FI Audio Q15 DUAL 2	32.1 -3.9	0.419 -0.03	75.6 -7.4	11.3 +3.3	94.1 +1.2	close	4 Ω vs 8 Ω: amp load changes	+
Dayton Audio PA385S-8 v2018	37.7 +1.7	0.373 -0.07	80.4 -2.6	7.2 -0.8	93.6 +0.7	close	Xmax 7.2 mm < 8 mm: lower excursion-limited SPL	+
B&C 15PS100	39 +3	0.43 -0.02	103 +20	8 =	95 +2.1	close	700 W vs 1000 W: lower power handling	+
Faital PRO 15XL1200	40 +4	0.4 -0.05	86.9 +3.9	12.45 +4.45	95 +2.1	usable		+
B&C 15 PS 100 v2016	39 +3	0.436 -0.01	103 +20	7.2 -0.8	95 +2.1	usable	700 W vs 1000 W: lower power handling · Xmax 7.2 mm < 8 mm: lower excursion-limited SPL	+

Compare the closest 3 against the 15 BG 100 →

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.