RCF W 300

12" · 4 Ω · 300 W · 96.4 dB · datasheet ↗

Thiele-Small parameters

Nominal size	12"
Impedance	4 Ω
Fs	39.5 Hz
Qts	0.391
Qes	0.42
Qms	5.6
Vas	90 L
Sd	510.7 cm²
Xmax	6.9 mm
Re	3.8 Ω
Bl	12.2 T·m
Mms	66 g
Pe	300 W
Sensitivity	96.4 dB

Alignment hint

EBP	94 · flexible
Sealed Vb (Qtc ≈ 0.71)	≈ 39.6 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
Beyma SM212 v2018	43 +3.5	0.381 -0.01	103 +13	7 +0.1	96.6 +0.2	close	8 Ω vs 4 Ω: amp load changes	+
Beyma SM212-N2	43 +3.5	0.372 -0.02	103 +13	6.9 =	96.7 +0.3	close	8 Ω vs 4 Ω: amp load changes	+
PHL Audio 4590	43 +3.5	0.36 -0.03	90 =	6 -0.9	96.2 -0.2	close	8 Ω vs 4 Ω: amp load changes · Xmax 6 mm < 6.9 mm: lower excursion-limited SPL	+
PHL Audio 4530P	42 +2.5	0.36 -0.03	93 +3	6 -0.9	96.1 -0.3	close	8 Ω vs 4 Ω: amp load changes · Xmax 6 mm < 6.9 mm: lower excursion-limited SPL	+
PHL Audio 4531	42 +2.5	0.36 -0.03	93 +3	6 -0.9	96.1 -0.3	close	8 Ω vs 4 Ω: amp load changes · Xmax 6 mm < 6.9 mm: lower excursion-limited SPL	+
Kartesian WOM300_vDIY	37 -2.5	0.362 -0.03	91.7 +1.7	6.4 -0.5	94.6 -1.8	close	8 Ω vs 4 Ω: amp load changes · Xmax 6.4 mm < 6.9 mm: lower excursion-limited SPL	+
Beyma SM112/N v2012	43 +3.5	0.434 +0.04	94 +4	7.3 +0.4	95.3 -1.1	close	8 Ω vs 4 Ω: amp load changes	+
Faital PRO 12FH530	45 +5.5	0.39 =	75.6 -14.4	7.5 +0.6	97 +0.6	close	16 Ω vs 4 Ω: amp load changes	+
Beyma SM212 vp Nº2	41.7 +2.2	0.41 +0.02	110.7 +20.7	7.3 +0.4	95.2 -1.2	close	8 Ω vs 4 Ω: amp load changes	+
Faital PRO 12PR320-08 v2022	42 +2.5	0.371 -0.02	113 +23	7.1 +0.2	97.1 +0.7	close	8 Ω vs 4 Ω: amp load changes	+

Compare the closest 3 against the W 300 →

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.