B&C 12 HPL 64-4

12" · 4 Ω · 200 W · 100.4 dB · datasheet ↗

Thiele-Small parameters

Nominal size	12"
Impedance	4 Ω
Fs	50 Hz
Qts	0.296
Qes	0.33
Qms	2.87
Vas	85 L
Sd	520 cm²
Xmax	4 mm
Re	3.7 Ω
Bl	12.6 T·m
Mms	45.2 g
Pe	200 W
Sensitivity	100.4 dB

Alignment hint

EBP	152 · ported
Sealed Vb (Qtc ≈ 0.71)	≈ 18.1 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 12ND710	53 +3	0.29 -0.01	85 =	5 +1	101 +0.6	close	16 Ω vs 4 Ω: amp load changes	+
P.Audio SN-12MB	50 =	0.296 =	95.3 +10.3	5 +1	99.3 -1.1	close	8 Ω vs 4 Ω: amp load changes	+
B&C 12 HPL 64-4 v2015	50 =	0.321 +0.03	92.3 +7.3	4 =	101 +0.6	close		+
B&C 12 HPL 64	52 +2	0.316 +0.02	85 =	4 =	98.7 -1.7	close	8 Ω vs 4 Ω: amp load changes	+
Eminence KappaLITE 3012HO	52 +2	0.32 +0.02	81.1 -3.9	6.2 +2.2	100.5 +0.1	close	8 Ω vs 4 Ω: amp load changes	+
B&C 12 CX 32	57 +7	0.284 -0.01	79 -6	4 =	100.8 +0.4	close	8 Ω vs 4 Ω: amp load changes	+
Sica 12 N 3 PL	46 -4	0.3 =	87.9 +2.9	5.5 +1.5	98.5 -1.9	close	8 Ω vs 4 Ω: amp load changes	+
Eminence KAPPALITE 3012 H0	51.5 +1.5	0.318 +0.02	81.1 -3.9	5.8 +1.8	98.9 -1.5	close	8 Ω vs 4 Ω: amp load changes	+
18 Sound 12MB606	50 =	0.323 +0.03	84 -1	6.4 +2.4	98.3 -2.1	close	8 Ω vs 4 Ω: amp load changes	+
MC Kenzie C12.200L	45 -5	0.296 =	90 +5	4.2 +0.2	97.4 -3	close	8 Ω vs 4 Ω: amp load changes	+

Compare the closest 3 against the 12 HPL 64-4 →

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.