RCF L 18S801

18" · 8 Ω · 700 W · 100.2 dB · datasheet ↗

Thiele-Small parameters

Nominal size	18"
Impedance	8 Ω
Fs	39 Hz
Qts	0.29
Qes	0.3
Qms	8.3
Vas	206 L
Sd	1130 cm²
Xmax	6.3 mm
Re	4.9 Ω
Bl	24.1 T·m
Mms	144.7 g
Pe	700 W
Sensitivity	100.2 dB

Alignment hint

EBP	130 · ported
Sealed Vb (Qtc ≈ 0.71)	≈ 41.7 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 L 18S800	39 =	0.29 =	206 =	6.3 =	100.2 =	close		+
B&C 18 PS 76 v2023	39 =	0.277 -0.01	207 +1	5.3 -1	100.3 +0.1	close	Xmax 5.3 mm < 6.3 mm: lower excursion-limited SPL	+
B&C 18 PS 76	39 =	0.277 -0.01	207 +1	5.3 -1	100 -0.2	close	Xmax 5.3 mm < 6.3 mm: lower excursion-limited SPL	+
Fane 18-800N	38 -1	0.306 +0.02	217 +11	7.1 +0.8	99.5 -0.7	close		+
PD PD 188	37.4 -1.6	0.279 -0.01	224.4 +18.4	6 -0.3	99.6 -0.6	close	Xmax 6 mm < 6.3 mm: lower excursion-limited SPL	+
Precision Devices PD 188	37.4 -1.6	0.279 -0.01	224.4 +18.4	6 -0.3	99.6 -0.6	close	Xmax 6 mm < 6.3 mm: lower excursion-limited SPL	+
P.Audio C18-600LF	38 -1	0.279 -0.01	201 -5	5.3 -1	99.5 -0.7	close	Xmax 5.3 mm < 6.3 mm: lower excursion-limited SPL	+
Beyma 18G50	40 +1	0.321 +0.03	212 +6	6 -0.3	99.3 -0.9	close	Xmax 6 mm < 6.3 mm: lower excursion-limited SPL	+
RCF L18S800	39 =	0.29 =	206 =	5 -1.3	97.9 -2.3	close	300 W vs 700 W: lower power handling · Xmax 5 mm < 6.3 mm: lower excursion-limited SPL	+
Ciare 18.00 NDW	38.3 -0.7	0.273 -0.02	205 -1	5 -1.3	99.5 -0.7	close	500 W vs 700 W: lower power handling · Xmax 5 mm < 6.3 mm: lower excursion-limited SPL	+

Compare the closest 3 against the L 18S801 →

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.