Supravox 285 GMF v2013

12" · 8 Ω · 70 W · 100.9 dB · datasheet ↗

Thiele-Small parameters

Nominal size	12"
Impedance	8 Ω
Fs	48 Hz
Qts	0.29
Qes	0.302
Qms	7.19
Vas	175 L
Sd	471 cm²
Xmax	4 mm
Re	6.5 Ω
Bl	11.3 T·m
Mms	19.5 g
Pe	70 W
Sensitivity	100.9 dB

Alignment hint

EBP	159 · ported
Sealed Vb (Qtc ≈ 0.71)	≈ 35.4 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
Supravox 285 GMF vp1	47.2 -0.8	0.308 +0.02	174 -1	4 =	100.4 -0.5	close		+
Supravox 285 GMF vp2	48 =	0.315 +0.03	172 -3	4 =	100.5 -0.4	close		+
Supravox 285 GMF vp JTR 1	47.8 -0.2	0.305 +0.02	191 +16	4 =	101.1 +0.2	close		+
Supravox 285 GMF vp JTR 2	47.6 -0.4	0.335 +0.05	186 +11	4 =	100.5 -0.4	close		+
Supravox 285 GMF v2019	47.8 -0.2	0.327 +0.04	157 -18	4 =	99.9 -1	close		+
Fane STUDIO 12B	47 -1	0.274 -0.02	144 -31	5.1 +1.1	100.8 -0.1	close		+
DAS Audio 12G	48 =	0.267 -0.02	148 -27	6 +2	101 +0.1	close		+
Supravox 285 GMF vp3	50.4 +2.4	0.325 +0.04	154 -21	3.9 -0.1	100.5 -0.4	close	Xmax 3.9 mm < 4 mm: lower excursion-limited SPL	+
Supravox 285-2000EXC_09V	53 +5	0.309 +0.02	156 -19	3.8 -0.2	101.5 +0.6	close	Xmax 3.8 mm < 4 mm: lower excursion-limited SPL	+
Supravox 285 GMF vp4	50.1 +2.1	0.335 +0.05	151 -24	3.9 -0.1	100.2 -0.7	close	Xmax 3.9 mm < 4 mm: lower excursion-limited SPL	+

Compare the closest 3 against the 285 GMF v2013 →

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.