JBL GTO 1214D

12" · 2 Ω · 350 W · 92.9 dB

Thiele-Small parameters

Nominal size	12"
Impedance	2 Ω
Fs	28.3 Hz
Qts	0.488
Qes	0.51
Qms	11.14
Vas	66 L
Sd	511 cm²
Xmax	7.3 mm
Re	1.89 Ω
Bl	10.8 T·m
Mms	175.4 g
Pe	350 W
Sensitivity	92.9 dB

Alignment hint

EBP	55 · flexible
Sealed Vb (Qtc ≈ 0.71)	≈ 60 L

EBP 50-100: works in either a sealed or ported 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
Powerbass L-124D 12	29 +0.7	0.489 =	59 -7	9 +1.7	93.2 +0.3	close		+
Wavecor SW312WA03	28 -0.3	0.479 -0.01	61 -5	7.3 =	90.2 -2.7	close	4 Ω vs 2 Ω: amp load changes · 250 W vs 350 W: lower power handling	+
JL Audio 12W7AE-3	27.2 -1.1	0.482 -0.01	66 =	13.7 +6.4	91.2 -1.7	close	4 Ω vs 2 Ω: amp load changes	+
Monacor BLACKBASS-12 4 Ohms	29 +0.7	0.482 -0.01	61 -5	7.5 +0.2	90.1 -2.8	close	4 Ω vs 2 Ω: amp load changes	+
Dayton Audio TS320D-4 TITANIC MK 4	28.3 =	0.453 -0.03	64.1 -1.9	9.8 +2.5	90.7 -2.2	close	4 Ω vs 2 Ω: amp load changes	+
Wavecor SW310WA02	27.5 -0.8	0.52 +0.03	64.5 -1.5	7.4 +0.1	89.9 -3	close	4 Ω vs 2 Ω: amp load changes · 250 W vs 350 W: lower power handling	+
Focal P30	31.3 +3	0.508 +0.02	63.9 -2.1	7.4 +0.1	91 -1.9	close	4 Ω vs 2 Ω: amp load changes	+
Focal 33V2	28.7 +0.4	0.537 +0.05	76.2 +10.2	7.5 +0.2	92.5 -0.4	close	4 Ω vs 2 Ω: amp load changes	+
Boston Acoustics G21244	28 -0.3	0.579 +0.09	65 -1	8.2 +0.9	92.4 -0.5	close		+
Focal P30F	28 -0.3	0.467 -0.02	70 +4	9.1 +1.8	90.1 -2.8	close	4 Ω vs 2 Ω: amp load changes	+

Compare the closest 3 against the GTO 1214D →

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.