RCF W470

18" · 4 Ω · 800 W · 99.7 dB · datasheet ↗

Thiele-Small parameters

Nominal size	18"
Impedance	4 Ω
Fs	36 Hz
Qts	0.35
Qes	0.36
Qms	12.6
Vas	201 L
Sd	1134.1 cm²
Xmax	6 mm
Re	3.5 Ω
Bl	19.6 T·m
Mms	175.3 g
Pe	800 W
Sensitivity	99.7 dB

Alignment hint

EBP	100 · flexible
Sealed Vb (Qtc ≈ 0.71)	≈ 65.2 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
Fane Colossus 18SB	36 =	0.346 =	199 -2	8.25 +2.25	100 +0.3	close	8 Ω vs 4 Ω: amp load changes	+
Beyma 18P1200Nd	37 +1	0.339 -0.01	198 -3	8.4 +2.4	98.3 -1.4	close	8 Ω vs 4 Ω: amp load changes	+
PD PDN 18SB40	38.5 +2.5	0.326 -0.02	201.3 +0.3	6 =	98.6 -1.1	close	8 Ω vs 4 Ω: amp load changes · 600 W vs 800 W: lower power handling	+
Precision Devices PDN 18SB40	38.5 +2.5	0.326 -0.02	201.3 +0.3	6 =	98.6 -1.1	close	8 Ω vs 4 Ω: amp load changes · 600 W vs 800 W: lower power handling	+
Sica 18 K 4 PL	36.8 +0.8	0.32 -0.03	201 =	6.5 +0.5	97.8 -1.9	close	8 Ω vs 4 Ω: amp load changes	+
Beyma 18G50 vp	39 +3	0.365 +0.02	204.9 +3.9	6.4 +0.4	98.1 -1.6	close	8 Ω vs 4 Ω: amp load changes	+
B&C 18 RBX 100	35 -1	0.343 -0.01	220 +19	8.3 +2.3	98.1 -1.6	close	8 Ω vs 4 Ω: amp load changes	+
Beyma 18G550	36 =	0.374 +0.02	210 +9	8.1 +2.1	97.8 -1.9	close	8 Ω vs 4 Ω: amp load changes	+
Beyma 18G550 v2015	36 =	0.374 +0.02	210 +9	8.1 +2.1	97.8 -1.9	close	8 Ω vs 4 Ω: amp load changes	+
B&C 18PZW100	37 +1	0.36 +0.01	186 -15	8 +2	97.6 -2.1	close	8 Ω vs 4 Ω: amp load changes	+

Compare the closest 3 against the W470 →

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.