B&C 15FW76

15" · 8 Ω · 500 W · 100 dB · datasheet ↗

Thiele-Small parameters

Nominal size	15"
Impedance	8 Ω
Fs	40 Hz
Qts	0.21
Qes	0.22
Qms	5.1
Vas	138 L
Sd	855 cm²
Xmax	7 mm
Re	5.1 Ω
Bl	26.2 T·m
Mms	117 g
Pe	500 W
Sensitivity	100 dB

Alignment hint

EBP	182 · ported
Sealed Vb (Qtc ≈ 0.71)	≈ 13.3 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 15NW76	39 -1	0.21 =	143 +5	8 +1	99 -1	close	4 Ω vs 8 Ω: amp load changes	+
B&C 15NW76	42 +2	0.22 +0.01	130 -8	8 +1	100.5 +0.5	close		+
Precision Devices PD154	39 -1	0.205 -0.01	149 +11	6.5 -0.5	99 -1	close	16 Ω vs 8 Ω: amp load changes · Xmax 6.5 mm < 7 mm: lower excursion-limited SPL	+
PHL Audio 6051	39 -1	0.209 =	135.6 -2.4	5.3 -1.7	100.5 +0.5	close	Xmax 5.3 mm < 7 mm: lower excursion-limited SPL	+
B&C 15 FW 76	40 =	0.211 =	138 =	4.7 -2.3	100.1 +0.1	close	Xmax 4.7 mm < 7 mm: lower excursion-limited SPL	+
Precision Devices PD158	39.85 -0.15	0.205 -0.01	161.94 +23.94	6.5 -0.5	98.5 -1.5	close	Xmax 6.5 mm < 7 mm: lower excursion-limited SPL	+
PHL Audio 6050	40 =	0.209 =	130 -8	5.1 -1.9	100.7 +0.7	close	Xmax 5.1 mm < 7 mm: lower excursion-limited SPL	+
Oberton 15PD601	38.2 -1.8	0.228 +0.02	133.31 -4.69	8.5 +1.5	98 -2	close		+
Oberton 15XL601	40.9 +0.9	0.216 +0.01	150.32 +12.32	5.25 -1.75	100 =	close	Xmax 5.25 mm < 7 mm: lower excursion-limited SPL	+
18 Sound 15LW1400	42 +2	0.245 +0.04	137 -1	6.7 -0.3	99.3 -0.7	close	Xmax 6.7 mm < 7 mm: lower excursion-limited SPL	+

Compare the closest 3 against the 15FW76 →

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.