RCF L 18S801 (prodance)

18" · 8 Ω · 700 W · 102 dB · datasheet ↗

Thiele-Small parameters

Nominal size	18"
Impedance	8 Ω
Fs	42.3 Hz
Qts	0.261
Qes	0.27
Qms	8.03
Vas	204 L
Sd	1130 cm²
Xmax	5.7 mm
Re	4.58 Ω
Bl	23.7 T·m
Mms	124.3 g
Pe	700 W
Sensitivity	102 dB

Alignment hint

EBP	157 · ported
Sealed Vb (Qtc ≈ 0.71)	≈ 32.2 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
B&C 18 PS 76 v2023	39 -3.3	0.277 +0.02	207 +3	5.3 -0.4	100.3 -1.7	close	Xmax 5.3 mm < 5.7 mm: lower excursion-limited SPL	+
B&C 18 PS 76	39 -3.3	0.277 +0.02	207 +3	5.3 -0.4	100 -2	close	Xmax 5.3 mm < 5.7 mm: lower excursion-limited SPL	+
RCF L 18S800	39 -3.3	0.29 +0.03	206 +2	6.3 +0.6	100.2 -1.8	close		+
RCF L 18S801	39 -3.3	0.29 +0.03	206 +2	6.3 +0.6	100.2 -1.8	close		+
Ciare 18.00 NDW	38.3 -4	0.273 +0.01	205 +1	5 -0.7	99.5 -2.5	close	500 W vs 700 W: lower power handling · Xmax 5 mm < 5.7 mm: lower excursion-limited SPL	+
P.Audio C18-600LF	38 -4.3	0.279 +0.02	201 -3	5.3 -0.4	99.5 -2.5	close	Xmax 5.3 mm < 5.7 mm: lower excursion-limited SPL	+
Ciare PW450ND	38 -4.3	0.273 +0.01	205 +1	5 -0.7	99.5 -2.5	close	500 W vs 700 W: lower power handling · Xmax 5 mm < 5.7 mm: lower excursion-limited SPL	+
JB Systems PWX18-600	40 -2.3	0.246 -0.02	225 +21	4.6 -1.1	100.7 -1.3	close	Xmax 4.6 mm < 5.7 mm: lower excursion-limited SPL	+
PD PD 188	37.4 -4.9	0.279 +0.02	224.4 +20.4	6 +0.3	99.6 -2.4	close		+
Precision Devices PD 188	37.4 -4.9	0.279 +0.02	224.4 +20.4	6 +0.3	99.6 -2.4	close		+

Compare the closest 3 against the L 18S801 (prodance) →

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.