Carpower SP-382C

15" · 4 Ω · 150 W · 92.1 dB · datasheet ↗

Thiele-Small parameters

Nominal size	15"
Impedance	4 Ω
Fs	30 Hz
Qts	1.279
Qes	1.78
Qms	4.55
Vas	320 L
Sd	855 cm²
Xmax	3.5 mm
Re	3.8 Ω
Bl	6 T·m
Mms	90.1 g
Pe	150 W
Sensitivity	92.1 dB

Alignment hint

EBP	17 · sealed
Sealed Vb (Qtc ≈ 0.71)	Qts too high

EBP < 50: favours a sealed (closed) 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
Mercuriale HTR 386 M0	32 +2	1.255 -0.02	428.8 +108.8	3.6 +0.1	91.6 -0.5	close	8 Ω vs 4 Ω: amp load changes	+
Goldwood GW-215/40/8	30.5 +0.5	1.087 -0.19	261.2 -58.8	3.5 =	89.8 -2.3	usable	8 Ω vs 4 Ω: amp load changes	+
GRS 15PF-8	29 -1	1.394 +0.12	265.9 -54.1	4 +0.5	87.7 -4.4	usable	8 Ω vs 4 Ω: amp load changes	+
Jinwey YDA-380-4	34.3 +4.3	1.186 -0.09	252.9 -67.1	3 -0.5	93.9 +1.8	usable	Xmax 3 mm < 3.5 mm: lower excursion-limited SPL	+
Eminence ALPHA 15	41 +11	1.263 -0.02	260 -60	3.8 +0.3	94 +1.9	usable	8 Ω vs 4 Ω: amp load changes	+
Eminence ALPHA 15 A	41 +11	1.263 -0.02	260 -60	3.8 +0.3	94 +1.9	usable	8 Ω vs 4 Ω: amp load changes	+
Europsonic TS30/250D	34 +4	1.067 -0.21	402.5 +82.5	5.4 +1.9	92.7 +0.6	usable	8 Ω vs 4 Ω: amp load changes	+
Europsonic TS38/300D	28 -2	0.994 -0.28	382.6 +62.6	6 +2.5	90.3 -1.8	usable	8 Ω vs 4 Ω: amp load changes	+
Jinwey YDA-380-8	33.8 +3.8	0.922 -0.36	278.8 -41.2	3 -0.5	92.3 +0.2	usable	8 Ω vs 4 Ω: amp load changes · Xmax 3 mm < 3.5 mm: lower excursion-limited SPL	+
Eminence ALPHA-15A	41 +11	1.26 -0.02	260 -60	3.8 +0.3	97 +4.9	usable	8 Ω vs 4 Ω: amp load changes	+

Compare the closest 3 against the SP-382C →

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.