Alpine 6012CX

12" · 4 Ω · 200 W · 96.5 dB · datasheet ↗

Thiele-Small parameters

Nominal size	12"
Impedance	4 Ω
Fs	44 Hz
Qts	0.415
Qes	0.43
Qms	11.8
Vas	59.5 L
Sd	515 cm²
Xmax	4.6 mm
Re	3.3 Ω
Bl	13.2 T·m
Mms	81.8 g
Pe	200 W
Sensitivity	96.5 dB

Alignment hint

EBP	102 · ported
Sealed Vb (Qtc ≈ 0.71)	≈ 31.3 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
18 Sound 12NLW9300	47 +3	0.42 +0.01	56 -3.5	8 +3.4	97 +0.5	close	8 Ω vs 4 Ω: amp load changes	+
SICA 12 S 3 CP	44 =	0.405 -0.01	67.5 +8	6 +1.4	95 -1.5	close	8 Ω vs 4 Ω: amp load changes	+
18 Sound 12NLW9300 v2022	47 +3	0.416 =	56 -3.5	8 +3.4	95.4 -1.1	close	8 Ω vs 4 Ω: amp load changes	+
Fane 12-300 vp FRL	50 +6	0.39 -0.02	62 +2.5	4.5 -0.1	96.2 -0.3	close	8 Ω vs 4 Ω: amp load changes · Xmax 4.5 mm < 4.6 mm: lower excursion-limited SPL	+
Celestion CF1230BMB	43 -1	0.381 -0.03	60.7 +1.2	5.5 +0.9	94 -2.5	close	8 Ω vs 4 Ω: amp load changes	+
Beyma 112Nd/W	48 +4	0.415 =	55 -4.5	7.4 +2.8	95 -1.5	close	8 Ω vs 4 Ω: amp load changes	+
PHL Audio 4531 v2023	46 +2	0.399 -0.02	71.9 +12.4	5.6 +1	95.9 -0.6	close	8 Ω vs 4 Ω: amp load changes	+
LaVoce WSN122.50-16	53 +9	0.4 -0.01	65.84 +6.34	4.6 =	96.5 =	close	16 Ω vs 4 Ω: amp load changes	+
PHL Audio 4511	48 +4	0.406 -0.01	74.1 +14.6	5.4 +0.8	96.2 -0.3	close	8 Ω vs 4 Ω: amp load changes	+
Faital PRO 12PR310-4	50 +6	0.417 =	66.1 +6.6	4.9 +0.3	98.7 +2.2	close		+

Compare the closest 3 against the 6012CX →

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.