B&C 15NW76

15" · 8 Ω · 600 W · 100.5 dB · datasheet ↗

Thiele-Small parameters

Nominal size	15"
Impedance	8 Ω
Fs	42 Hz
Qts	0.22
Qes	0.23
Qms	4.3
Vas	130 L
Sd	855 cm²
Xmax	8 mm
Re	5.3 Ω
Bl	25.5 T·m
Mms	104 g
Pe	600 W
Sensitivity	100.5 dB

Alignment hint

EBP	183 · 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 15FW76	40 -2	0.21 -0.01	138 +8	7 -1	100 -0.5	close	Xmax 7 mm < 8 mm: lower excursion-limited SPL	+
B&C 15NW76	39 -3	0.21 -0.01	143 +13	8 =	99 -1.5	close	4 Ω vs 8 Ω: amp load changes	+
Oberton 15PD601	38.2 -3.8	0.228 +0.01	133.31 +3.31	8.5 +0.5	98 -2.5	close		+
B&C 15 NW 76	42 =	0.218 =	130 =	4.9 -3.1	100 -0.5	close	Xmax 4.9 mm < 8 mm: lower excursion-limited SPL	+
18 Sound 15LW1400	42 =	0.245 +0.02	137 +7	6.7 -1.3	99.3 -1.2	close	Xmax 6.7 mm < 8 mm: lower excursion-limited SPL	+
18 Sound 15LW1410	42 =	0.27 +0.05	131 +1	8.5 +0.5	98.5 -2	close		+
18 Sound 15LW1401 4 Ohms	39 -3	0.26 +0.04	127 -3	7.4 -0.6	100 -0.5	close	4 Ω vs 8 Ω: amp load changes · Xmax 7.4 mm < 8 mm: lower excursion-limited SPL	+
Oberton 15NB500	42.77 +0.77	0.255 +0.04	121.46 -8.54	7.25 -0.75	99 -1.5	close	Xmax 7.25 mm < 8 mm: lower excursion-limited SPL	+
18 Sound 15NMB1000	46 +4	0.24 +0.02	124 -6	6.5 -1.5	101 +0.5	close	Xmax 6.5 mm < 8 mm: lower excursion-limited SPL	+
18 Sound 15LW1401	42 =	0.27 +0.05	131 +1	9 +1	98 -2.5	close		+

Compare the closest 3 against the 15NW76 →

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.