Supravox 285-2000EXC_12V

12" · 8 Ω · 70 W · 103.1 dB · datasheet ↗

Thiele-Small parameters

Nominal size	12"
Impedance	8 Ω
Fs	53 Hz
Qts	0.214
Qes	0.22
Qms	8.2
Vas	154 L
Sd	458.9 cm²
Xmax	3.1 mm
Re	6.5 Ω
Bl	13 T·m
Mms	17.3 g
Pe	70 W
Sensitivity	103.1 dB

Alignment hint

EBP	241 · ported
Sealed Vb (Qtc ≈ 0.71)	≈ 15.5 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
Supravox 285-2000EXC_11V	53 =	0.242 +0.03	155 +1	3.3 +0.2	102.5 -0.6	close		+
Supravox 285-2000EXC_10V	53 =	0.262 +0.05	154 =	3.4 +0.3	102.2 -0.9	close		+
Supravox 285-2000	45 -8	0.212 =	200 +46	2.9 -0.2	102.1 -1	usable	45 W vs 70 W: lower power handling · Xmax 2.9 mm < 3.1 mm: lower excursion-limited SPL	+
JBL K120	50 -3	0.2 -0.01	121.8 -32.2	2.7 -0.4	101.6 -1.5	usable	Xmax 2.7 mm < 3.1 mm: lower excursion-limited SPL	+
Fane STUDIO 12L	49 -4	0.241 +0.03	120.9 -33.1	4.3 +1.2	101.2 -1.9	usable		+
Supravox 285-2000EXC_09V	53 =	0.309 +0.1	156 +2	3.8 +0.7	101.5 -1.6	usable		+
DAS Audio 12G	48 -5	0.267 +0.05	148 -6	6 +2.9	101 -2.1	usable		+
Fane STUDIO 12B	47 -6	0.274 +0.06	144 -10	5.1 +2	100.8 -2.3	usable		+
Benett 12.200 X/N	40 -13	0.181 -0.03	162 +8	3 -0.1	100.7 -2.4	usable	Xmax 3 mm < 3.1 mm: lower excursion-limited SPL	+
Beyma 12M300	45 -8	0.199 -0.01	115 -39	3.8 +0.7	100.1 -3	usable		+

Compare the closest 3 against the 285-2000EXC_12V →

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.