Fane COLOSSUS PRIME 18XS

18" · 8 Ω · 1200 W · 95.4 dB

Thiele-Small parameters

Nominal size	18"
Impedance	8 Ω
Fs	33 Hz
Qts	0.385
Qes	0.404
Qms	8.2
Vas	257 L
Sd	1209 cm²
Xmax	12 mm
Re	5.2 Ω
Bl	22.4 T·m
Mms	188 g
Pe	1200 W
Sensitivity	95.4 dB

Alignment hint

EBP	82 · flexible
Sealed Vb (Qtc ≈ 0.71)	≈ 108.3 L

EBP 50-100: works in either a sealed or ported 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
Faital PRO 18FX800	34 +1	0.4 +0.02	247 -10	13.8 +1.8	96 +0.6	close		+
Beyma 18LEX1000Nd	34 +1	0.39 +0.01	260 +3	11 -1	98 +2.6	close	Xmax 11 mm < 12 mm: lower excursion-limited SPL	+
Beyma 18LEX1000Fe	34 +1	0.38 -0.01	250 -7	11 -1	98 +2.6	close	Xmax 11 mm < 12 mm: lower excursion-limited SPL	+
Beyma 18LEX1200FE	32 -1	0.378 -0.01	277 +20	11 -1	97.4 +2	close	Xmax 11 mm < 12 mm: lower excursion-limited SPL	+
Beyma 18"LEX1600Nd	33 =	0.43 +0.04	231 -26	14.5 +2.5	96 +0.6	close		+
Dayton Audio APOLLO 18F	32 -1	0.401 +0.02	287.7 +30.7	10.6 -1.4	96.4 +1	close	Xmax 10.6 mm < 12 mm: lower excursion-limited SPL	+
Beyma 18LEX1000/Nd	34 +1	0.391 +0.01	260 +3	9.4 -2.6	97.8 +2.4	close	Xmax 9.4 mm < 12 mm: lower excursion-limited SPL	+
Fane SOVEREIGN PRO 18-800 P	33 =	0.386 =	258 +1	7.5 -4.5	96.4 +1	close	800 W vs 1200 W: lower power handling · Xmax 7.5 mm < 12 mm: lower excursion-limited SPL	+
Faital PRO 18HW1070	32 -1	0.38 -0.01	195.9 -61.1	13 +1	97 +1.6	close		+
BMS 18N850vv2	29.8 -3.2	0.33 -0.05	243 -14	12 =	95 -0.4	close		+

Compare the closest 3 against the COLOSSUS PRIME 18XS →

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.