B&C 18 SW 100

18" · 8 Ω · 1500 W · 96.9 dB · datasheet ↗

Thiele-Small parameters

Nominal size	18"
Impedance	8 Ω
Fs	35 Hz
Qts	0.375
Qes	0.4
Qms	5.9
Vas	180 L
Sd	1210 cm²
Xmax	9.7 mm
Re	5 Ω
Bl	25.5 T·m
Mms	235.8 g
Pe	1500 W
Sensitivity	96.9 dB

Alignment hint

EBP	88 · flexible
Sealed Vb (Qtc ≈ 0.71)	≈ 70.4 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 18SW100	35 =	0.38 +0.01	180 =	12.5 +2.8	97 +0.1	close		+
B&C 18NBX100	35 =	0.37 -0.01	192 +12	10 +0.3	96 -0.9	close	4 Ω vs 8 Ω: amp load changes	+
B&C 18NBX100	35 =	0.38 +0.01	198 +18	10 +0.3	96.5 -0.4	close		+
Beyma 18LEX1600Fe	34 -1	0.38 +0.01	188 +8	13 +3.3	97 +0.1	close		+
B&C 18TBW100	35 =	0.39 +0.02	175 -5	12 +2.3	96 -0.9	close		+
Celestion POWER PRO X18	34.8 -0.2	0.379 =	188.9 +8.9	8.6 -1.1	96.6 -0.3	close	Xmax 8.6 mm < 9.7 mm: lower excursion-limited SPL	+
PD PD 185N01	35.6 +0.6	0.383 +0.01	174.5 -5.5	8.4 -1.3	97.1 +0.2	close	1000 W vs 1500 W: lower power handling · Xmax 8.4 mm < 9.7 mm: lower excursion-limited SPL	+
Precision Devices PD 185N01	35.6 +0.6	0.383 +0.01	174.5 -5.5	8.4 -1.3	97.1 +0.2	close	1000 W vs 1500 W: lower power handling · Xmax 8.4 mm < 9.7 mm: lower excursion-limited SPL	+
Beyma 18LEX1600/ND-8	35 =	0.39 +0.02	205 +25	10.4 +0.7	96.8 -0.1	close		+
Fane 18XLS	36 +1	0.407 +0.03	187 +7	9.3 -0.4	97 +0.1	close	Xmax 9.3 mm < 9.7 mm: lower excursion-limited SPL	+

Compare the closest 3 against the 18 SW 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.