SB Audience ROSSO-15W400

15" · 8 Ω · 400 W · 99.6 dB · datasheet ↗

Thiele-Small parameters

Nominal size	15"
Impedance	8 Ω
Fs	40 Hz
Qts	0.282
Qes	0.29
Qms	10.88
Vas	170.1 L
Sd	907.9 cm²
Xmax	5.3 mm
Re	5.2 Ω
Bl	22 T·m
Mms	107.5 g
Pe	400 W
Sensitivity	99.6 dB

Alignment hint

EBP	138 · ported
Sealed Vb (Qtc ≈ 0.71)	≈ 32.2 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
Precision Devices PD152	40 =	0.269 -0.01	170 -0.1	5.5 +0.2	99 -0.6	close	16 Ω vs 8 Ω: amp load changes	+
B&C 15 CLA 76	40 =	0.297 +0.02	176 +5.9	5.4 +0.1	99.5 -0.1	close		+
Sica 15 K 3 PL	40 =	0.27 -0.01	166.1 -4	6.5 +1.2	99.7 +0.1	close		+
PD PD 152	40 =	0.266 -0.02	170 -0.1	5.1 -0.2	99.3 -0.3	close	Xmax 5.1 mm < 5.3 mm: lower excursion-limited SPL	+
Precision Devices PD 152	40 =	0.266 -0.02	170 -0.1	5.1 -0.2	99.3 -0.3	close	Xmax 5.1 mm < 5.3 mm: lower excursion-limited SPL	+
JBL 2225H	40 =	0.276 -0.01	169.9 -0.2	5 -0.3	98.5 -1.1	close	Xmax 5 mm < 5.3 mm: lower excursion-limited SPL	+
B&C 15CLA76	40 =	0.3 +0.02	176 +5.9	5.5 +0.2	99 -0.6	close		+
PHL Audio 5321M	40 =	0.277 =	153.3 -16.8	5.5 +0.2	98.7 -0.9	close		+
Faital PRO 15HX500	40 =	0.275 -0.01	150.1 -20	5.1 -0.2	99.2 -0.4	close	Xmax 5.1 mm < 5.3 mm: lower excursion-limited SPL	+
PHL Audio 5100	39 -1	0.297 +0.02	180 +9.9	5.6 +0.3	98.8 -0.8	close		+

Compare the closest 3 against the ROSSO-15W400 →

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.