JBL CS1014

10" · 4 Ω · 125 W · 90.4 dB

Thiele-Small parameters

Nominal size	10"
Impedance	4 Ω
Fs	30 Hz
Qts	0.436
Qes	0.46
Qms	8.34
Vas	53.8 L
Sd	363 cm²
Xmax	6 mm
Re	3.67 Ω
Bl	12.1 T·m
Mms	96.6 g
Pe	125 W
Sensitivity	90.4 dB

Alignment hint

EBP	65 · flexible
Sealed Vb (Qtc ≈ 0.71)	≈ 33 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
Cobalt CS 10 DVC serie	30 =	0.387 -0.05	60 +6.2	6 =	88.3 -2.1	close	8 Ω vs 4 Ω: amp load changes	+
Volt DVC251.7	32 +2	0.387 -0.05	53 -0.8	7.8 +1.8	92.6 +2.2	close		+
Fusion NV-SW12	26.4 -3.6	0.438 =	52.2 -1.6	7.5 +1.5	94.4 +4	close	1 Ω vs 4 Ω: amp load changes	+
Wavecor SW270WA01	26 -4	0.46 +0.02	58 +4.2	8.7 +2.7	89.1 -1.3	close		+
Dayton Audio RSS265HF-4 v2022	25.6 -4.4	0.452 +0.02	54 +0.2	10.5 +4.5	88.3 -2.1	close		+
Dayton Audio RSS265HF-4 V2015	25.6 -4.4	0.452 +0.02	54 +0.2	9.4 +3.4	87.9 -2.5	close		+
Focal P25DB	27.5 -2.5	0.431 -0.01	40.7 -13.1	7.5 +1.5	91.2 +0.8	close	2 Ω vs 4 Ω: amp load changes	+
Aurum Cantus AC250SW	35 +5	0.452 +0.02	42 -11.8	5.9 -0.1	90.5 +0.1	close	Xmax 5.9 mm < 6 mm: lower excursion-limited SPL	+
Aurum Cantus AC250SW vp	35 +5	0.452 +0.02	42 -11.8	5.9 -0.1	90.5 +0.1	close	Xmax 5.9 mm < 6 mm: lower excursion-limited SPL	+
Cobalt CS 10 DVC parallele	30 =	0.387 -0.05	60 +6.2	6 =	94.3 +3.9	close	2 Ω vs 4 Ω: amp load changes	+

Compare the closest 3 against the CS1014 →

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.