RCF L18P300

18" · 8 Ω · 500 W · 95.6 dB · datasheet ↗

Thiele-Small parameters

Nominal size	18"
Impedance	8 Ω
Fs	33 Hz
Qts	0.33
Qes	0.34
Qms	8.3
Vas	226 L
Sd	1130 cm²
Xmax	7.8 mm
Re	5.03 Ω
Bl	23.5 T·m
Mms	180 g
Pe	500 W
Sensitivity	95.6 dB

Alignment hint

EBP	97 · flexible
Sealed Vb (Qtc ≈ 0.71)	≈ 62.9 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
RCF L 18P300 8 Ohms	33 =	0.327 =	226 =	7.8 =	97.8 +2.2	close		+
BMS 18S430	32.9 -0.1	0.33 =	247 +21	7.5 -0.3	96 +0.4	close	Xmax 7.5 mm < 7.8 mm: lower excursion-limited SPL	+
Fane COLOSSUS 18XB v2016	33 =	0.337 +0.01	236 +10	7.5 -0.3	96.6 +1	close	Xmax 7.5 mm < 7.8 mm: lower excursion-limited SPL	+
Fane 18XBN	33 =	0.337 +0.01	236 +10	7.5 -0.3	96.8 +1.2	close	Xmax 7.5 mm < 7.8 mm: lower excursion-limited SPL	+
Fane COLOSSUS 18XBN	33 =	0.337 +0.01	236 +10	7.5 -0.3	96.8 +1.2	close	Xmax 7.5 mm < 7.8 mm: lower excursion-limited SPL	+
Beyma 18P1000FE	33 =	0.32 -0.01	230 +4	8 +0.2	97.8 +2.2	close		+
Beyma 18" P1000Fe V2/S	33 =	0.32 -0.01	230 +4	8 +0.2	98 +2.4	close		+
18 Sound 18LW1400	33 =	0.32 -0.01	210 -16	9 +1.2	97 +1.4	close	4 Ω vs 8 Ω: amp load changes	+
Eminence DEFINIMAX 4018 LF	32 -1	0.348 +0.02	237.9 +11.9	8.6 +0.8	96.4 +0.8	close		+
Beyma 18SW1600ND	32 -1	0.33 =	205.7 -20.3	10 +2.2	96.6 +1	close		+

Compare the closest 3 against the L18P300 →

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.