B&C 5NSM38

5" · 8 Ω · 110 W · 99 dB · datasheet ↗

Thiele-Small parameters

Nominal size	5"
Impedance	8 Ω
Fs	300 Hz
Qts	0.79
Qes	0.99
Qms	4.1
Vas	0.3 L
Sd	95 cm²
Xmax	2.2 mm
Re	5.3 Ω
Bl	10.1 T·m
Mms	9 g
Pe	110 W
Sensitivity	99 dB

Alignment hint

EBP	303 · ported
Sealed Vb (Qtc ≈ 0.71)	Qts too high

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
B&C 5NSM38	320 +20	0.94 +0.15	0.4 +0.1	2.2 =	99 =	usable	16 Ω vs 8 Ω: amp load changes	+
B&C 5MDN38	230 -70	0.48 -0.31	0.8 +0.5	3.5 +1.3	96 -3	risky	16 Ω vs 8 Ω: amp load changes	+
Beyma 5G40Nd/N	140 -160	0.45 -0.34	1.4 +1.1	3 +0.8	92 -7	risky		+
B&C 5MDN38	175 -125	0.31 -0.48	1.4 +1.1	3.5 +1.3	97 -2	risky		+
Sica 5 M 1.5 PL	145 -155	0.51 -0.28	2 +1.7	1.5 -0.7	93.7 -5.3	risky	Xmax 1.5 mm < 2.2 mm: lower excursion-limited SPL	+
Sica 5 N 1.5 PL	110.6 -189.4	0.56 -0.23	3 +2.7	3 +0.8	91 -8	risky		+
LaVoce WSF051.02	106 -194	0.6 -0.19	3.26 +2.96	3.1 +0.9	91.5 -7.5	risky	60 W vs 110 W: lower power handling	+
LaVoce WSF051.02-16	98 -202	0.66 -0.13	4.02 +3.72	3.2 +1	90.5 -8.5	risky	16 Ω vs 8 Ω: amp load changes · 60 W vs 110 W: lower power handling	+
BMS 5N160	113 -187	0.43 -0.36	2.57 +2.27	5 +2.8	91 -8	risky	16 Ω vs 8 Ω: amp load changes	+
BMS 5S117	95 -205	0.42 -0.37	3.25 +2.95	5 +2.8	91 -8	risky	16 Ω vs 8 Ω: amp load changes	+

Compare the closest 3 against the 5NSM38 →

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.