Faital PRO 12PR300

12" · 8 Ω · 300 W · 99 dB · datasheet ↗

Thiele-Small parameters

Nominal size	12"
Impedance	8 Ω
Fs	50 Hz
Qts	0.36
Qes	0.37
Qms	9.9
Vas	92.6 L
Sd	533 cm²
Xmax	4.92 mm
Re	5.4 Ω
Mms	43.4 g
Pe	300 W
Sensitivity	99 dB

Alignment hint

EBP	135 · ported
Sealed Vb (Qtc ≈ 0.71)	≈ 32.4 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
Faital PRO 12PR300 v2015	50 =	0.357 =	79.2 -13.4	4.9 -0.02	98 -1	close	Xmax 4.9 mm < 4.92 mm: lower excursion-limited SPL	+
RCF MB 12N251	50 =	0.338 -0.02	83 -9.6	5 +0.08	98.5 -0.5	close		+
Eminence DELTA PRO 12A	51 +1	0.35 -0.01	81.7 -10.9	4.6 -0.32	99.2 +0.2	close	Xmax 4.6 mm < 4.92 mm: lower excursion-limited SPL	+
Eminence DELTA PRO 12 A	51 +1	0.353 -0.01	81.7 -10.9	6.2 +1.28	98.1 -0.9	close		+
Eminence DELTA PRO 12 A vp	51 +1	0.353 -0.01	81.7 -10.9	6.2 +1.28	98.1 -0.9	close		+
Fane SOVEREIGN 12-300	50 =	0.389 +0.03	103.6 +11	4.5 -0.42	98.4 -0.6	close	Xmax 4.5 mm < 4.92 mm: lower excursion-limited SPL	+
18 Sound 12W500	49 -1	0.35 -0.01	101 +8.4	4 -0.92	98.5 -0.5	close	4 Ω vs 8 Ω: amp load changes · Xmax 4 mm < 4.92 mm: lower excursion-limited SPL	+
P.Audio SN-12MB	50 =	0.296 -0.06	95.3 +2.7	5 +0.08	99.3 +0.3	close		+
18 Sound 12MB606	50 =	0.323 -0.04	84 -8.6	6.4 +1.48	98.3 -0.7	close		+
MCM Electronics 55-2962	48 -2	0.391 +0.03	94.5 +1.9	4.8 -0.12	96.3 -2.7	close	175 W vs 300 W: lower power handling · Xmax 4.8 mm < 4.92 mm: lower excursion-limited SPL	+

Compare the closest 3 against the 12PR300 →

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 (1)

FAKE TOP12CDtopbass reflex