Dayton Audio LS12-44

12" · 8 Ω · 250 W · 88.1 dB · datasheet ↗

Thiele-Small parameters

Nominal size	12"
Impedance	8 Ω
Fs	33.7 Hz
Qts	0.503
Qes	0.56
Qms	4.95
Vas	56.6 L
Sd	547.3 cm²
Xmax	5.6 mm
Re	7.5 Ω
Bl	21.7 T·m
Mms	165.5 g
Pe	250 W
Sensitivity	88.1 dB

Alignment hint

EBP	60 · flexible
Sealed Vb (Qtc ≈ 0.71)	≈ 58 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
Klipsch SPL-120	31.1 -2.6	0.507 =	58.4 +1.8	5.7 +0.1	89 +0.9	close		+
JBL 1200GTI	37 +3.3	0.47 -0.03	56.6 =	5.46 -0.14	88 -0.1	close	4 Ω vs 8 Ω: amp load changes · Xmax 5.46 mm < 5.6 mm: lower excursion-limited SPL	+
Pioneer TS-W306DVC	32.9 -0.8	0.478 -0.03	51.8 -4.8	8.3 +2.7	88.9 +0.8	close		+
Scan-Speak 30W/4552-01	34 +0.3	0.525 +0.02	52.9 -3.7	6.6 +1	90.7 +2.6	close	4 Ω vs 8 Ω: amp load changes	+
JBL STADIUM 1224	29.7 -4	0.473 -0.03	52.6 -4	6 +0.4	88.7 +0.6	close		+
JBL S3-1224	29.1 -4.6	0.473 -0.03	52.6 -4	6 +0.4	88.4 +0.3	close		+
Sony XS-GTR121L	35 +1.3	0.46 -0.04	50 -6.6	8.4 +2.8	88.3 +0.2	close	4 Ω vs 8 Ω: amp load changes	+
Powerbass S-1204D	31 -2.7	0.5 =	65 +8.4	9.5 +3.9	87.2 -0.9	close	4 Ω vs 8 Ω: amp load changes	+
Focal R-300S	32.6 -1.1	0.582 +0.08	53.9 -2.7	6 +0.4	89.6 +1.5	close	4 Ω vs 8 Ω: amp load changes	+
JBL S2-1224	32.4 -1.3	0.581 +0.08	59.7 +3.1	5.3 -0.3	89.1 +1	close	Xmax 5.3 mm < 5.6 mm: lower excursion-limited SPL	+

Compare the closest 3 against the LS12-44 →

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.