Dayton Audio 12LF ODEUM

12" · 8 Ω · 400 W · 94.4 dB · datasheet ↗

Thiele-Small parameters

Nominal size	12"
Impedance	8 Ω
Fs	28 Hz
Qts	0.211
Qes	0.22
Qms	5.19
Vas	147.8 L
Sd	533 cm²
Xmax	8.3 mm
Re	6.7 Ω
Bl	21.6 T·m
Mms	87.1 g
Pe	400 W
Sensitivity	94.4 dB

Alignment hint

EBP	127 · ported
Sealed Vb (Qtc ≈ 0.71)	≈ 14.4 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
Dayton Audio APOLLO 12LF	28 =	0.211 =	147.8 =	8.3 =	94.4 =	close		+
AE Speakers TD12H	26.7 -1.3	0.234 +0.02	160 +12.2	7 -1.3	93.7 -0.7	close	Xmax 7 mm < 8.3 mm: lower excursion-limited SPL	+
AE Speakers TD12H8	26.7 -1.3	0.234 +0.02	160 +12.2	7 -1.3	93.7 -0.7	close	Xmax 7 mm < 8.3 mm: lower excursion-limited SPL	+
JBL 1200FE-8	27 -1	0.256 +0.05	125 -22.8	10 +1.7	93.3 -1.1	usable		+
Infinity BETA12	22 -6	0.242 +0.03	158 +10.2	10 +1.7	94.8 +0.4	usable	4 Ω vs 8 Ω: amp load changes	+
Phase Linear ALIANTE 12 LTD	19 -9	0.214 =	151 +3.2	8 -0.3	92.6 -1.8	usable	4 Ω vs 8 Ω: amp load changes · Xmax 8 mm < 8.3 mm: lower excursion-limited SPL	+
Beyma POWER 12 COMPETITION	29 +1	0.27 +0.06	122 -25.8	9 +0.7	95.1 +0.7	usable		+
Infinity TWEELVE vp	22 -6	0.242 +0.03	158 +10.2	10 +1.7	93.3 -1.1	usable		+
Monacor SPH-300CTC vp série	30 +2	0.194 -0.02	155.9 +8.1	5 -3.3	93.5 -0.9	usable	16 Ω vs 8 Ω: amp load changes · 150 W vs 400 W: lower power handling · Xmax 5 mm < 8.3 mm: lower excursion-limited SPL	+
Visaton TIW300	25 -3	0.282 +0.07	160 +12.2	9.7 +1.4	92.9 -1.5	usable	300 W vs 400 W: lower power handling	+

Compare the closest 3 against the 12LF ODEUM →

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.