Faital PRO 18FX600

18" · 8 Ω · 700 W · 99 dB · datasheet ↗

Thiele-Small parameters

Nominal size	18"
Impedance	8 Ω
Fs	32 Hz
Qts	0.3
Qes	0.31
Qms	9.8
Vas	257.3 L
Sd	1213 cm²
Xmax	11.25 mm
Re	5 Ω
Mms	175 g
Pe	700 W
Sensitivity	99 dB

Alignment hint

EBP	103 · ported
Sealed Vb (Qtc ≈ 0.71)	≈ 56.5 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 LF18X401	30 -2	0.3 =	274 +16.7	12 +0.75	97.5 -1.5	close		+
RCF LF18Y402	30 -2	0.3 =	274 +16.7	12 +0.75	97.5 -1.5	close		+
RCF LF 18X401	30 -2	0.298 =	274 +16.7	11.4 +0.15	97.5 -1.5	close		+
RCF LF18G401	33 +1	0.29 -0.01	268 +10.7	9 -2.25	98 -1	close	Xmax 9 mm < 11.25 mm: lower excursion-limited SPL	+
RCF LF18G908	33 +1	0.29 -0.01	268 +10.7	9 -2.25	98 -1	close	Xmax 9 mm < 11.25 mm: lower excursion-limited SPL	+
Peavey LO MAX 18 v2011	33.5 +1.5	0.321 +0.02	294.4 +37.1	10.2 -1.05	98.9 -0.1	close	Xmax 10.2 mm < 11.25 mm: lower excursion-limited SPL	+
Peavey LO MAX 18	33.5 +1.5	0.318 +0.02	249.7 -7.6	9.5 -1.75	97.7 -1.3	close	Xmax 9.5 mm < 11.25 mm: lower excursion-limited SPL	+
Faital PRO 18XL1600	32 =	0.31 +0.01	201.1 -56.2	12.92 +1.67	98 -1	close	4 Ω vs 8 Ω: amp load changes	+
PHL Audio 7090 v2012	34 +2	0.297 =	260 +2.7	7.9 -3.35	98.6 -0.4	close	Xmax 7.9 mm < 11.25 mm: lower excursion-limited SPL	+
RCF LF 18G401	33 +1	0.289 -0.01	268 +10.7	8.2 -3.05	99.3 +0.3	close	Xmax 8.2 mm < 11.25 mm: lower excursion-limited SPL	+

Compare the closest 3 against the 18FX600 →

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.