DD Audio REDLINE 700 SERIES

12" · 4 Ω · 600 W · 90.7 dB · datasheet ↗

Thiele-Small parameters

Nominal size	12"
Impedance	4 Ω
Fs	28.3 Hz
Qts	0.434
Qes	0.482
Qms	4.344
Vas	39.6 L
Sd	512 cm²
Xmax	7 mm
Re	2 Ω
Bl	14.7 T·m
Mms	294 g
Pe	600 W
Sensitivity	90.7 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
DD Audio 712D4 v2022	28.3 =	0.434 =	39.6 =	7 =	87.7 -3	close	8 Ω vs 4 Ω: amp load changes	+
TC Sounds LMS R12	28 -0.3	0.43 =	39 -0.6	10.8 +3.8	87.7 -3	close		+
JBL P1220	28.7 +0.4	0.448 +0.01	47.4 +7.8	7.8 +0.8	91.8 +1.1	close	2 Ω vs 4 Ω: amp load changes · 400 W vs 600 W: lower power handling	+
MTX Audio TX612	27 -1.3	0.393 -0.04	42.7 +3.1	9.7 +2.7	91 +0.3	close		+
Alpine 1242D	29 +0.7	0.47 +0.04	45 +5.4	9.1 +2.1	91.4 +0.7	close		+
Alpine SWR-12D2 vp	27 -1.3	0.441 +0.01	46 +6.4	10 +3	87.8 -2.9	close	8 Ω vs 4 Ω: amp load changes	+
Dayton Audio RSS315HO-4	31.6 +3.3	0.407 -0.03	33.5 -6.1	7.2 +0.2	89.4 -1.3	close		+
Massive Audio REBEL 124	32.6 +4.3	0.485 +0.05	38 -1.6	7.1 +0.1	92.4 +1.7	close	2 Ω vs 4 Ω: amp load changes	+
Fountek FW323 - 4 Ohms	30 +1.7	0.452 +0.02	51.4 +11.8	6.6 -0.4	89.7 -1	close	350 W vs 600 W: lower power handling · Xmax 6.6 mm < 7 mm: lower excursion-limited SPL	+
Rockford Fosgate T112D2	31 +2.7	0.474 +0.04	34.8 -4.8	8.2 +1.2	89 -1.7	close		+

Compare the closest 3 against the REDLINE 700 SERIES →

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.