Scan-Speak 30W/4552-01

12" · 4 Ω · 350 W · 90.7 dB · datasheet ↗

Thiele-Small parameters

Nominal size	12"
Impedance	4 Ω
Fs	34 Hz
Qts	0.525
Qes	0.6
Qms	4.2
Vas	52.9 L
Sd	526 cm²
Xmax	6.6 mm
Re	3.7 Ω
Bl	14.5 T·m
Mms	160.7 g
Pe	350 W
Sensitivity	90.7 dB

Alignment hint

EBP	57 · flexible
Sealed Vb (Qtc ≈ 0.71)	≈ 65 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
Kenwood W1024DB	33 -1	0.567 +0.04	51.3 -1.6	6.9 +0.3	91 +0.3	close		+
Pioneer TS-W306DVC	32.9 -1.1	0.478 -0.05	51.8 -1.1	8.3 +1.7	88.9 -1.8	close	8 Ω vs 4 Ω: amp load changes	+
Pioneer TS-W307D4	34.8 +0.8	0.52 -0.01	40.9 -12	7.4 +0.8	91.3 +0.6	close		+
Focal R-300S	32.6 -1.4	0.582 +0.06	53.9 +1	6 -0.6	89.6 -1.1	close	Xmax 6 mm < 6.6 mm: lower excursion-limited SPL	+
JBL STAGE 1210	31.7 -2.3	0.55 +0.03	64.6 +11.7	6.6 =	90.8 +0.1	close	250 W vs 350 W: lower power handling	+
Focal P30	31.3 -2.7	0.508 -0.02	63.9 +11	7.4 +0.8	91 +0.3	close		+
JBL W12GTI	31.8 -2.2	0.508 -0.02	44.8 -8.1	9.9 +3.3	90.1 -0.6	close		+
JBL W12GTi MKII	31.8 -2.2	0.508 -0.02	44.8 -8.1	9.9 +3.3	90.1 -0.6	close		+
JBL W12GTIe	31.8 -2.2	0.508 -0.02	44.8 -8.1	9.9 +3.3	90.1 -0.6	close		+
Dayton Audio LS12-44	33.7 -0.3	0.503 -0.02	56.6 +3.7	5.6 -1	88.1 -2.6	close	8 Ω vs 4 Ω: amp load changes · 250 W vs 350 W: lower power handling · Xmax 5.6 mm < 6.6 mm: lower excursion-limited SPL	+

Compare the closest 3 against the 30W/4552-01 →

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.