Lavoce SAF184.03

18" · 8 Ω · 1500 W · 94.9 dB · datasheet ↗

Thiele-Small parameters

Nominal size	18"
Impedance	8 Ω
Fs	30 Hz
Qts	0.32
Qes	0.35
Qms	7.2
Vas	260 L
Sd	1263 cm²
Xmax	13 mm
Re	5.8 Ω
Bl	28 T·m
Mms	245 g
Pe	1500 W
Sensitivity	94.9 dB

Alignment hint

EBP	86 · flexible
Sealed Vb (Qtc ≈ 0.71)	≈ 67 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
BMS 18N850vv2	29.8 -0.2	0.33 +0.01	243 -17	12 -1	95 +0.1	close	Xmax 12 mm < 13 mm: lower excursion-limited SPL	+
BMS 18S450	29 -1	0.31 -0.01	281 +21	12 -1	95 +0.1	close	Xmax 12 mm < 13 mm: lower excursion-limited SPL	+
RCF LF18N405	30 =	0.32 =	227 -33	14 +1	97 +2.1	close		+
RCF LF18X401	30 =	0.3 -0.02	274 +14	12 -1	97.5 +2.6	close	Xmax 12 mm < 13 mm: lower excursion-limited SPL	+
RCF LF18Y402	30 =	0.3 -0.02	274 +14	12 -1	97.5 +2.6	close	Xmax 12 mm < 13 mm: lower excursion-limited SPL	+
B&C 18TBX100	30 =	0.31 -0.01	256 -4	9 -4	94 -0.9	close	4 Ω vs 8 Ω: amp load changes · Xmax 9 mm < 13 mm: lower excursion-limited SPL	+
RCF LF 18N405	30 =	0.324 =	227 -33	10.8 -2.2	96.7 +1.8	close	Xmax 10.8 mm < 13 mm: lower excursion-limited SPL	+
RCF LF 18X401	30 =	0.298 -0.02	274 +14	11.4 -1.6	97.5 +2.6	close	Xmax 11.4 mm < 13 mm: lower excursion-limited SPL	+
Ciare NDH18_4S	31 +1	0.319 =	239 -21	9.4 -3.6	96.5 +1.6	close	1000 W vs 1500 W: lower power handling · Xmax 9.4 mm < 13 mm: lower excursion-limited SPL	+
RCF LF18N408	30 =	0.33 +0.01	193 -67	15 +2	97 +2.1	close		+

Compare the closest 3 against the SAF184.03 →

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.