B&C 15PS76-8

15" · 8 Ω · 550 W · 99 dB · datasheet ↗

Thiele-Small parameters

Nominal size	15"
Impedance	8 Ω
Fs	38 Hz
Qts	0.26
Qes	0.28
Qms	5.2
Vas	164 L
Sd	855 cm²
Xmax	7.5 mm
Re	5 Ω
Bl	22.1 T·m
Mms	106 g
Pe	550 W
Sensitivity	99 dB

Alignment hint

EBP	136 · ported
Sealed Vb (Qtc ≈ 0.71)	≈ 25.6 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 15ND940	39 +1	0.26 =	170 +6	9.5 +2	99 =	close	4 Ω vs 8 Ω: amp load changes	+
18 Sound 15NLW9300 v2015	39 +1	0.263 =	170 +6	7.2 -0.3	98.9 -0.1	close	Xmax 7.2 mm < 7.5 mm: lower excursion-limited SPL	+
BMS 15N830V2 v2015	37 -1	0.271 +0.01	159 -5	7.5 =	98.6 -0.4	close		+
RCF L 15P400	36 -2	0.261 =	160 -4	7.2 -0.3	98.6 -0.4	close	Xmax 7.2 mm < 7.5 mm: lower excursion-limited SPL	+
RCF LF 15X400	37 -1	0.247 -0.01	164 =	7 -0.5	99.1 +0.1	close	Xmax 7 mm < 7.5 mm: lower excursion-limited SPL	+
B&C 15 PS 76	38 =	0.266 +0.01	164 =	6.3 -1.2	98.9 -0.1	close	Xmax 6.3 mm < 7.5 mm: lower excursion-limited SPL	+
RCF LF 15G400	37 -1	0.247 -0.01	164 =	6.9 -0.6	99.1 +0.1	close	Xmax 6.9 mm < 7.5 mm: lower excursion-limited SPL	+
Fane COLOSSUS 15XBN	38 =	0.279 +0.02	168 +4	7.5 =	98.1 -0.9	close		+
Oberton 15B500	38.2 +0.2	0.268 +0.01	145.82 -18.18	7.25 -0.25	99 =	close	Xmax 7.25 mm < 7.5 mm: lower excursion-limited SPL	+
18 Sound 15NLW9300	39 +1	0.26 =	170 +6	8 +0.5	97 -2	close		+

Compare the closest 3 against the 15PS76-8 →

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.