B&C 15FW88

15" · 8 Ω · 700 W · 98 dB · datasheet ↗

Thiele-Small parameters

Nominal size	15"
Impedance	8 Ω
Fs	49 Hz
Qts	0.43
Qes	0.45
Qms	9.3
Vas	103.7 L
Sd	855 cm²
Xmax	8 mm
Re	5.2 Ω
Bl	19.27 T·m
Mms	106.8 g
Pe	700 W
Sensitivity	98 dB

Alignment hint

EBP	109 · ported
Sealed Vb (Qtc ≈ 0.71)	≈ 60.9 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
Beyma 15"LX60V2	42 -7	0.44 +0.01	105.53 +1.83	8 =	98 =	close		+
18 Sound 15NTLW3500	46 -3	0.4 -0.03	115 +11.3	8.3 +0.3	98 =	close	4 Ω vs 8 Ω: amp load changes	+
Beyma 15CM V2	49 =	0.49 +0.06	104 +0.3	7 -1	97 -1	close	350 W vs 700 W: lower power handling · Xmax 7 mm < 8 mm: lower excursion-limited SPL	+
Beyma 15MC500	46 -3	0.45 +0.02	134 +30.3	8 =	98 =	close	500 W vs 700 W: lower power handling	+
Precision Devices PD156	50.15 +1.15	0.38 -0.05	120.17 +16.47	9.5 +1.5	97 -1	close	16 Ω vs 8 Ω: amp load changes	+
Beyma 15LX60V2	42 -7	0.441 +0.01	105.5 +1.8	6.9 -1.1	96.3 -1.7	close	Xmax 6.9 mm < 8 mm: lower excursion-limited SPL	+
B&C 15PS100	39 -10	0.43 =	103 -0.7	8 =	95 -3	close		+
18 Sound 15NTLW3500	45 -4	0.39 -0.04	131 +27.3	8.3 +0.3	98 =	close		+
Beyma 15MCS500	46 -3	0.48 +0.05	134 +30.3	8 =	98 =	close	500 W vs 700 W: lower power handling	+
P.Audio E15-LF	50 +1	0.42 -0.01	92.17 -11.53	6 -2	95.9 -2.1	close	Xmax 6 mm < 8 mm: lower excursion-limited SPL	+

Compare the closest 3 against the 15FW88 →

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.