B&C 15 DS 115-4

15" · 4 Ω · 1600 W · 98.8 dB · datasheet ↗

Thiele-Small parameters

Nominal size	15"
Impedance	4 Ω
Fs	34 Hz
Qts	0.164
Qes	0.17
Qms	4.7
Vas	83 L
Sd	855 cm²
Xmax	6 mm
Re	3.2 Ω
Bl	33 T·m
Mms	270.5 g
Pe	1600 W
Sensitivity	98.8 dB

Alignment hint

EBP	200 · ported
Sealed Vb (Qtc ≈ 0.71)	≈ 4.7 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 15DS115	34 =	0.16 =	83 =	16.5 +10.5	96 -2.8	close		+
B&C 15 DS 115	33 -1	0.174 +0.01	94 +11	6.8 +0.8	96.8 -2	close	8 Ω vs 4 Ω: amp load changes	+
B&C 15DS115	33 -1	0.17 +0.01	94 +11	16.5 +10.5	97 -1.8	close	8 Ω vs 4 Ω: amp load changes	+
RCF LF 15N451	35 +1	0.182 +0.02	125 +42	6.6 +0.6	98.4 -0.4	usable	8 Ω vs 4 Ω: amp load changes	+
Resonant Engineering XXX-15	24.6 -9.4	0.181 +0.02	91.1 +8.1	8.5 +2.5	98.8 =	usable	2 Ω vs 4 Ω: amp load changes	+
B&C 15 SW 115-4	34 =	0.221 +0.06	105 +22	8.4 +2.4	98.5 -0.3	usable		+
RCF LF15N451	35 +1	0.18 +0.02	125 +42	9 +3	97 -1.8	usable	8 Ω vs 4 Ω: amp load changes	+
Beyma 15QLEX1600Fe	33 -1	0.21 +0.05	102 +19	13 +7	96 -2.8	usable	8 Ω vs 4 Ω: amp load changes	+
Radian 2216Neo	40 +6	0.19 +0.03	114 +31	9 +3	96.5 -2.3	usable	8 Ω vs 4 Ω: amp load changes · 800 W vs 1600 W: lower power handling	+
B&C 15SW115	34 =	0.22 +0.06	105 +22	13.5 +7.5	96 -2.8	usable		+

Compare the closest 3 against the 15 DS 115-4 →

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.