Fane IMPERIUM 18NDXL

18" · 8 Ω · 1200 W · 95.7 dB

Thiele-Small parameters

Nominal size	18"
Impedance	8 Ω
Fs	33 Hz
Qts	0.295
Qes	0.3
Qms	17.7
Vas	203 L
Sd	1164 cm²
Xmax	12 mm
Re	5.6 Ω
Bl	29.4 T·m
Mms	220 g
Pe	1200 W
Sensitivity	95.7 dB

Alignment hint

EBP	110 · ported
Sealed Vb (Qtc ≈ 0.71)	≈ 42.8 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
18 Sound 18NLW9000	34 +1	0.31 +0.02	206 +3	14 +2	97 +1.3	close		+
B&C 18SW115	32 -1	0.3 +0.01	187 -16	14 +2	97 +1.3	close		+
B&C 18TBW100	33 =	0.32 +0.03	181.5 -21.5	12 =	96 +0.3	close	4 Ω vs 8 Ω: amp load changes	+
Faital PRO 18XL1600	32 -1	0.31 +0.02	201.1 -1.9	12.92 +0.92	98 +2.3	close	4 Ω vs 8 Ω: amp load changes	+
18 Sound 18LW2600	31 -2	0.29 -0.01	187 -16	14.8 +2.8	96.8 +1.1	close		+
Faital PRO 18HW1070	32 -1	0.33 +0.04	191.5 -11.5	13 +1	96 +0.3	close	4 Ω vs 8 Ω: amp load changes	+
Oberton 18NXB1600	32.37 -0.63	0.303 +0.01	173.11 -29.89	13.5 +1.5	97 +1.3	close		+
Fane FC-185ND01	33 =	0.295 =	203 =	8.9 -3.1	97.4 +1.7	close	Xmax 8.9 mm < 12 mm: lower excursion-limited SPL	+
18 Sound 18LW2600	30 -3	0.28 -0.01	186 -17	14 +2	96.5 +0.8	close	4 Ω vs 8 Ω: amp load changes	+
B&C 18 SW 115	32 -1	0.303 +0.01	187 -16	9.8 -2.2	96.6 +0.9	close	Xmax 9.8 mm < 12 mm: lower excursion-limited SPL	+

Compare the closest 3 against the IMPERIUM 18NDXL →

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.