B&C 15NDL88

15" · 8 Ω · 700 W · 99 dB · datasheet ↗

Thiele-Small parameters

Nominal size	15"
Impedance	8 Ω
Fs	45 Hz
Qts	0.34
Qes	0.36
Qms	6.1
Vas	126 L
Sd	855 cm²
Xmax	8 mm
Re	5 Ω
Bl	20.1 T·m
Mms	102 g
Pe	700 W
Sensitivity	99 dB

Alignment hint

EBP	125 · ported
Sealed Vb (Qtc ≈ 0.71)	≈ 37.9 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 15 NDL 88	45 =	0.34 =	126 =	6.6 -1.4	99.1 +0.1	close	Xmax 6.6 mm < 8 mm: lower excursion-limited SPL	+
Sica 15 PF 3	45 =	0.31 -0.03	117.6 -8.4	8 =	99.1 +0.1	close		+
Oberton 15NXL701	43.4 -1.6	0.3 -0.04	127.09 +1.09	9.25 +1.25	99 =	close		+
Beyma 15MCB700	44 -1	0.34 =	148 +22	7 -1	99 =	close	Xmax 7 mm < 8 mm: lower excursion-limited SPL	+
18 Sound 15NTLW3500	45 =	0.39 +0.05	131 +5	8.3 +0.3	98 -1	close		+
B&C 15CL76	42 -3	0.33 -0.01	135 +9	7 -1	98.5 -0.5	close	400 W vs 700 W: lower power handling · Xmax 7 mm < 8 mm: lower excursion-limited SPL	+
MC Kenzie C15.500BS	45 =	0.35 +0.01	145 +19	6.5 -1.5	98.8 -0.2	close	500 W vs 700 W: lower power handling · Xmax 6.5 mm < 8 mm: lower excursion-limited SPL	+
Peavey 1505-8 KA DT BW	50.8 +5.8	0.35 +0.01	143.5 +17.5	9 +1	98.9 -0.1	close	350 W vs 700 W: lower power handling	+
Oberton 15NMB500	44.74 -0.26	0.292 -0.05	127.95 +1.95	7.75 -0.25	100.5 +1.5	close	500 W vs 700 W: lower power handling · Xmax 7.75 mm < 8 mm: lower excursion-limited SPL	+
RCF LF 15X401 v2013	41.8 -3.2	0.313 -0.03	116.4 -9.6	8.7 +0.7	98.1 -0.9	close		+

Compare the closest 3 against the 15NDL88 →

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.