Alcone AC 12 SW-8

12" · 8 Ω · 250 W · 90.9 dB · datasheet ↗

Thiele-Small parameters

Nominal size	12"
Impedance	8 Ω
Fs	25.7 Hz
Qts	0.224
Qes	0.23
Qms	8.49
Vas	84.4 L
Sd	530 cm²
Xmax	4 mm
Re	6.43 Ω
Bl	28.4 T·m
Mms	178.9 g
Pe	250 W
Sensitivity	90.9 dB

Alignment hint

EBP	112 · ported
Sealed Vb (Qtc ≈ 0.71)	≈ 9.4 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
BMS 12S330 v2016	28.6 +2.9	0.24 +0.02	85.5 +1.1	8 +4	92.3 +1.4	close		+
Artech SPM-303	30 +4.3	0.243 +0.02	95 +10.6	3.6 -0.4	92.3 +1.4	usable	100 W vs 250 W: lower power handling · Xmax 3.6 mm < 4 mm: lower excursion-limited SPL	+
Helix P12W PRECISION	27 +1.3	0.25 +0.03	72 -12.4	8.5 +4.5	89 -1.9	usable	4 Ω vs 8 Ω: amp load changes	+
Raveland BSW 124-II	28 +2.3	0.252 +0.03	91.4 +7	5.4 +1.4	94.7 +3.8	usable	4 Ω vs 8 Ω: amp load changes	+
BMS 12S330	28.6 +2.9	0.24 +0.02	85.5 +1.1	8 +4	96 +5.1	usable		+
BMS 12S330 v2018	28.6 +2.9	0.295 +0.07	81.4 -3	8 +4	91.1 +0.2	usable		+
HiVi M12A	27 +1.3	0.335 +0.11	81.4 -3	5.2 +1.2	91.1 +0.2	usable	150 W vs 250 W: lower power handling	+
Mivoc AWM 124	30 +4.3	0.251 +0.03	68 -16.4	4.7 +0.7	94.6 +3.7	usable	4 Ω vs 8 Ω: amp load changes	+
HiVi 12M	27 +1.3	0.335 +0.11	81.4 -3	5.2 +1.2	92.2 +1.3	usable	4 Ω vs 8 Ω: amp load changes · 150 W vs 250 W: lower power handling	+
HiVi M12	27 +1.3	0.335 +0.11	81.4 -3	5.2 +1.2	92.2 +1.3	usable	4 Ω vs 8 Ω: amp load changes · 150 W vs 250 W: lower power handling	+

Compare the closest 3 against the AC 12 SW-8 →

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.