B&C 15NDL76

15" · 8 Ω · 500 W · 99.5 dB · datasheet ↗

Thiele-Small parameters

Nominal size	15"
Impedance	8 Ω
Fs	37 Hz
Qts	0.22
Qes	0.24
Qms	4.5
Vas	195 L
Sd	855 cm²
Xmax	7 mm
Re	5.3 Ω
Bl	22.5 T·m
Mms	96 g
Pe	500 W
Sensitivity	99.5 dB

Alignment hint

EBP	154 · ported
Sealed Vb (Qtc ≈ 0.71)	≈ 20.9 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
18 Sound 15ND930	36 -1	0.22 =	206 +11	7.5 +0.5	98 -1.5	close		+
B&C 15 NDL 76	37 =	0.228 +0.01	195 =	6 -1	99.9 +0.4	close	Xmax 6 mm < 7 mm: lower excursion-limited SPL	+
DAS Audio 15GN	36 -1	0.213 -0.01	197 +2	6 -1	99.2 -0.3	close	Xmax 6 mm < 7 mm: lower excursion-limited SPL	+
Beyma 15P80/ND	35 -2	0.214 -0.01	217 +22	7.9 +0.9	100.1 +0.6	close		+
Beyma 15"P80Nd	39 +2	0.21 -0.01	184 -11	7.5 +0.5	101 +1.5	close		+
PHL Audio 5051	37 =	0.245 +0.02	190 -5	5.9 -1.1	99.2 -0.3	close	Xmax 5.9 mm < 7 mm: lower excursion-limited SPL	+
Electro-Voice EVX-155	35.4 -1.6	0.212 -0.01	220 +25	6.4 -0.6	100.5 +1	close	Xmax 6.4 mm < 7 mm: lower excursion-limited SPL	+
Precision Devices PD153 ER	39 +2	0.222 =	160 -35	6.5 -0.5	99 -0.5	close	16 Ω vs 8 Ω: amp load changes · Xmax 6.5 mm < 7 mm: lower excursion-limited SPL	+
RCF LF 15X400	37 =	0.247 +0.03	164 -31	7 =	99.1 -0.4	close		+
RCF LF 15G400	37 =	0.247 +0.03	164 -31	6.9 -0.1	99.1 -0.4	close	Xmax 6.9 mm < 7 mm: lower excursion-limited SPL	+

Compare the closest 3 against the 15NDL76 →

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.