DD Audio 712D4 v2022

12" · 8 Ω · 600 W · 87.7 dB · datasheet ↗

Thiele-Small parameters

Nominal size	12"
Impedance	8 Ω
Fs	28.3 Hz
Qts	0.434
Qes	0.482
Qms	4.344
Vas	39.6 L
Sd	507 cm²
Xmax	7 mm
Re	4 Ω
Bl	20.6 T·m
Mms	288.3 g
Pe	600 W
Sensitivity	87.7 dB

Alignment hint

EBP	59 · flexible
Sealed Vb (Qtc ≈ 0.71)	≈ 23.9 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
TC Sounds LMS R12	28 -0.3	0.43 =	39 -0.6	10.8 +3.8	87.7 =	close	4 Ω vs 8 Ω: amp load changes	+
DD Audio REDLINE 700 SERIES	28.3 =	0.434 =	39.6 =	7 =	90.7 +3	close	4 Ω vs 8 Ω: amp load changes	+
Alpine SWR-12D2 vp	27 -1.3	0.441 +0.01	46 +6.4	10 +3	87.8 +0.1	close		+
Infinity KAPPA 120.9W	27.2 -1.1	0.43 =	54.4 +14.8	6.7 -0.3	87.9 +0.2	close	350 W vs 600 W: lower power handling · Xmax 6.7 mm < 7 mm: lower excursion-limited SPL	+
Alpine SWR-1242D 12	29 +0.7	0.47 +0.04	45 +5.4	9.1 +2.1	85.7 -2	close		+
Focal E30KX	29 +0.7	0.454 +0.02	50 +10.4	10.7 +3.7	86.9 -0.8	close		+
Focal SUB30KXE	29 +0.7	0.454 +0.02	50 +10.4	10.8 +3.8	86.9 -0.8	close		+
Rockford Fosgate T112D2	31 +2.7	0.474 +0.04	34.8 -4.8	8.2 +1.2	89 +1.3	close	4 Ω vs 8 Ω: amp load changes	+
Dayton Audio RSS315HE-22	32 +3.7	0.461 +0.03	32.4 -7.2	8.2 +1.2	88.1 +0.4	close		+
JBL P1220	28.7 +0.4	0.448 +0.01	47.4 +7.8	7.8 +0.8	91.8 +4.1	close	2 Ω vs 8 Ω: amp load changes · 400 W vs 600 W: lower power handling	+

Compare the closest 3 against the 712D4 v2022 →

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.