B&C 18NW100

18" · 4 Ω · 1199 W · 95 dB · datasheet ↗

Thiele-Small parameters

Nominal size	18"
Impedance	4 Ω
Fs	30 Hz
Qts	0.27
Qes	0.28
Qms	6.2
Vas	203.5 L
Sd	1210 cm²
Xmax	9 mm
Re	3.7 Ω
Bl	24.7 T·m
Mms	244 g
Pe	1199 W
Sensitivity	95 dB

Alignment hint

EBP	107 · ported
Sealed Vb (Qtc ≈ 0.71)	≈ 34.7 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
RCF LF 18X451	30 =	0.278 +0.01	220 +16.5	10.7 +1.7	96.8 +1.8	close	8 Ω vs 4 Ω: amp load changes	+
B&C 18 NW 100 v2019	30 =	0.268 =	203.5 =	8.3 -0.7	98.3 +3.3	close	Xmax 8.3 mm < 9 mm: lower excursion-limited SPL	+
18 Sound 18NLW4100	29 -1	0.27 =	207 +3.5	15 +6	97 +2	close		+
18 Sound 18LW2600	30 =	0.28 +0.01	186 -17.5	14 +5	96.5 +1.5	close		+
RCF LF18X451	30 =	0.28 +0.01	220 +16.5	14 +5	97 +2	close	8 Ω vs 4 Ω: amp load changes	+
Fane IMPERIUM 18NDXL	33 +3	0.295 +0.02	203 -0.5	12 +3	95.7 +0.7	close	8 Ω vs 4 Ω: amp load changes	+
Beyma 18PW1400FE /S	32 +2	0.27 =	228.9 +25.4	10 +1	98 +3	close	8 Ω vs 4 Ω: amp load changes	+
Fane FC-185ND01	33 +3	0.295 +0.02	203 -0.5	8.9 -0.1	97.4 +2.4	close	8 Ω vs 4 Ω: amp load changes · Xmax 8.9 mm < 9 mm: lower excursion-limited SPL	+
Beyma 18PW1400/FE	32 +2	0.273 =	228.9 +25.4	9.1 +0.1	98.3 +3.3	close	8 Ω vs 4 Ω: amp load changes	+
Beyma 18QLEX1600Fe	31 +1	0.25 -0.02	177.2 -26.3	13 +4	96 +1	close		+

Compare the closest 3 against the 18NW100 →

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.