Fane COLOSSUS 15-750BMN

15" · 8 Ω · 750 W · 99.6 dB · datasheet ↗

Thiele-Small parameters

Nominal size	15"
Impedance	8 Ω
Fs	45 Hz
Qts	0.27
Qes	0.29
Qms	3.97
Vas	127 L
Sd	866 cm²
Xmax	5.8 mm
Re	5.5 Ω
Bl	23.6 T·m
Mms	103.5 g
Pe	750 W
Sensitivity	99.6 dB

Alignment hint

EBP	155 · ported
Sealed Vb (Qtc ≈ 0.71)	≈ 21.7 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
RCF MB 15N405	46 +1	0.265 -0.01	124 -3	6.6 +0.8	100 +0.4	close		+
B&C 14 CXN 6	45 =	0.28 +0.01	131 +4	5.6 -0.2	100 +0.4	close	400 W vs 750 W: lower power handling · Xmax 5.6 mm < 5.8 mm: lower excursion-limited SPL	+
PHL Audio 5231	44 -1	0.277 +0.01	127 =	5 -0.8	99.1 -0.5	close	500 W vs 750 W: lower power handling · Xmax 5 mm < 5.8 mm: lower excursion-limited SPL	+
PD PD 915	42.9 -2.1	0.279 +0.01	129.5 +2.5	5.5 -0.3	98.9 -0.7	close	Xmax 5.5 mm < 5.8 mm: lower excursion-limited SPL	+
Precision Devices PD 915	42.9 -2.1	0.279 +0.01	129.5 +2.5	5.5 -0.3	98.9 -0.7	close	Xmax 5.5 mm < 5.8 mm: lower excursion-limited SPL	+
Oberton 15NMB500	44.74 -0.26	0.292 +0.02	127.95 +0.95	7.75 +1.95	100.5 +0.9	close	500 W vs 750 W: lower power handling	+
18 Sound 15LW1410	42 -3	0.27 =	131 +4	8.5 +2.7	98.5 -1.1	close		+
18 Sound 15LW1402	42 -3	0.28 +0.01	126 -1	7 +1.2	98.4 -1.2	close		+
PHL Audio 5320	45 =	0.287 +0.02	128 +1	4.8 -1	99.3 -0.3	close	500 W vs 750 W: lower power handling · Xmax 4.8 mm < 5.8 mm: lower excursion-limited SPL	+
PD PD 1550 v2015	46.2 +1.2	0.294 +0.02	126.4 -0.6	5.3 -0.5	99 -0.6	close	Xmax 5.3 mm < 5.8 mm: lower excursion-limited SPL	+

Compare the closest 3 against the COLOSSUS 15-750BMN →

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.