B&C 15 SW 115

15" · 8 Ω · 1700 W · 96.6 dB · datasheet ↗

Thiele-Small parameters

Nominal size	15"
Impedance	8 Ω
Fs	35 Hz
Qts	0.237
Qes	0.25
Qms	4.4
Vas	110 L
Sd	855 cm²
Xmax	8.8 mm
Re	5.2 Ω
Bl	29.7 T·m
Mms	192.6 g
Pe	1700 W
Sensitivity	96.6 dB

Alignment hint

EBP	140 · ported
Sealed Vb (Qtc ≈ 0.71)	≈ 13.9 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
B&C 15SW115	35 =	0.24 =	110 =	13.5 +4.7	96 -0.6	close		+
18 Sound 15NLW4500	35 =	0.26 +0.02	111 +1	14.5 +5.7	96.3 -0.3	close		+
B&C 15SW115	34 -1	0.22 -0.02	105 -5	13.5 +4.7	96 -0.6	close	4 Ω vs 8 Ω: amp load changes	+
B&C 15NW100	34 -1	0.23 -0.01	126.1 +16.1	9 +0.2	95 -1.6	close	4 Ω vs 8 Ω: amp load changes · 1000 W vs 1700 W: lower power handling	+
B&C 15TBX100	35 =	0.28 +0.04	113 +3	9 +0.2	96 -0.6	close	1000 W vs 1700 W: lower power handling	+
B&C 15 SW 115-4	34 -1	0.221 -0.02	105 -5	8.4 -0.4	98.5 +1.9	close	4 Ω vs 8 Ω: amp load changes · Xmax 8.4 mm < 8.8 mm: lower excursion-limited SPL	+
18 Sound 15NLW9401	40 +5	0.25 +0.01	114 +4	10 +1.2	97.5 +0.9	close	4 Ω vs 8 Ω: amp load changes · 1200 W vs 1700 W: lower power handling	+
Oberton 15XB1000	37.2 +2.2	0.283 +0.05	111.02 +1.02	9 +0.2	97 +0.4	close	1000 W vs 1700 W: lower power handling	+
B&C 15NBX100	37 +2	0.27 +0.03	109.6 -0.4	10 +1.2	95 -1.6	close	4 Ω vs 8 Ω: amp load changes · 1000 W vs 1700 W: lower power handling	+
BMS 15N840V2-8	35.6 +0.6	0.268 +0.03	130 +20	8.7 -0.1	97.2 +0.6	close	1200 W vs 1700 W: lower power handling · Xmax 8.7 mm < 8.8 mm: lower excursion-limited SPL	+

Compare the closest 3 against the 15 SW 115 →

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.