Rockford Fosgate P1S4-12

12" · 4 Ω · 250 W · 85.1 dB · datasheet ↗

Paramètres Thiele-Small

Taille nominale	12"
Impédance	4 Ω
Fs	25 Hz
Qts	0.55
Qes	0.656
Qms	3.4
Vas	88.3 L
Sd	548 cm²
Xmax	9 mm
Re	3.6 Ω
Bl	12.99 T·m
Mms	195.8 g
Pe	250 W
Sensibilité	85.1 dB

Indication d'alignement

EBP	38 · sealed
Sealed Vb (Qtc ≈ 0.71)	≈ 135.2 L

EBP < 50 : favorise un alignement clos.

Rules of thumb from T/S parameters only. Verify against a real simulation before cutting wood.

Candidats de substitution

HP	Fs (Hz)	Qts	Vas (L)	Xmax (mm)	Sens (dB)	Adéquation	Notes	Comparer
Rockford Fosgate P1S2-12	25 =	0.55 =	88.3 =	9 =	85.1 =	close	2 Ω vs 4 Ω: amp load changes	+
Dayton Audio RSS315HFA-8	25 =	0.526 -0.02	75 -13.3	9.9 +0.9	85.5 +0.4	close	8 Ω vs 4 Ω: amp load changes	+
Infinity REFERENCE 1200S	22.8 -2.2	0.54 -0.01	97.56 +9.26	7.6 -1.4	84.4 -0.7	close	Xmax 7.6 mm < 9 mm: lower excursion-limited SPL	+
Infinity REFERENCE 1240W	25.4 +0.4	0.47 -0.08	84.4 -3.9	11.5 +2.5	86.3 +1.2	close		+
Infinity REFERENCE 1250W	25.4 +0.4	0.47 -0.08	84.4 -3.9	11.5 +2.5	86.3 +1.2	close		+
JL Audio 12W1V3-4	26.21 +1.21	0.5 -0.05	76.63 -11.67	11 +2	86.1 +1	close		+
JL Audio 12W1V3-2	26.55 +1.55	0.52 -0.03	72 -16.3	11 +2	85.9 +0.8	close	2 Ω vs 4 Ω: amp load changes	+
Focal AUDITOR RSB-300	25 =	0.466 -0.08	93 +4.7	10.2 +1.2	87.4 +2.3	close	8 Ω vs 4 Ω: amp load changes	+
Dayton Audio RSS315HF-4	25 =	0.489 -0.06	85.1 -3.2	10.1 +1.1	89.4 +4.3	close		+
Focal 30A4	24.7 -0.3	0.671 +0.12	86.9 -1.4	8.5 -0.5	87.3 +2.2	close	8 Ω vs 4 Ω: amp load changes · Xmax 8.5 mm < 9 mm: lower excursion-limited SPL	+

Comparer les 3 plus proches avec le P1S4-12 →

Classé par similarité de paramètres uniquement (Qts, Fs, Vas, Xmax, sensibilité). Même taille nominale requise. Une indication, pas une simulation, modélisez l'échange avant de couper ou d'acheter.

Utilisé dans les caissons (0)

No enclosure in the catalog uses this driver yet.