Eminence BETA-12LTA

12" · 8 Ω · 225 W · 95.4 dB

Thiele-Small parameters

Nominal size	12"
Impedance	8 Ω
Fs	45 Hz
Qts	0.51
Qes	0.55
Qms	6.4
Vas	136.3 L
Sd	532 cm²
Xmax	3.2 mm
Re	7.4 Ω
Bl	11.7 T·m
Mms	36 g
Pe	225 W
Sensitivity	95.4 dB

Alignment hint

EBP	82 · flexible
Sealed Vb (Qtc ≈ 0.71)	≈ 147.8 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
Eminence BETA 12LT	45 =	0.507 =	136.3 =	3.2 =	95.9 +0.5	close		+
Audax LFP501	40 -5	0.521 +0.01	138 +1.7	4.5 +1.3	94.6 -0.8	close	150 W vs 225 W: lower power handling	+
Audax PR30ST100	40 -5	0.521 +0.01	138 +1.7	4.5 +1.3	94.6 -0.8	close	100 W vs 225 W: lower power handling	+
Conrad PA 12	42.9 -2.1	0.462 -0.05	129.2 -7.1	4 +0.8	95.2 -0.2	close		+
Eminence BETA 12CX	47 +2	0.48 -0.03	120.94 -15.36	3.5 +0.3	97.3 +1.9	close		+
MCM Electronics 55-2973	42 -3	0.481 -0.03	122.6 -13.7	5 +1.8	94.5 -0.9	close	120 W vs 225 W: lower power handling	+
Eminence BETA 12CX v2019	47 +2	0.476 -0.03	120.9 -15.4	3.5 +0.3	97.5 +2.1	close		+
Philips AD12202/M8	45.6 +0.6	0.419 -0.09	138 +1.7	4 +0.8	96.8 +1.4	close	100 W vs 225 W: lower power handling	+
Eminence BETA 12	50 +5	0.519 +0.01	114.7 -21.6	4.4 +1.2	96.5 +1.1	close		+
Eminence BETA 12CX	43 -2	0.474 -0.04	161 +24.7	3.5 +0.3	97.5 +2.1	close		+

Compare the closest 3 against the BETA-12LTA →

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.