LaVoce LBASS12-15

12" · 8 Ω · 100 W · 95.5 dB · datasheet ↗

Thiele-Small parameters

Nominal size	12"
Impedance	8 Ω
Fs	38 Hz
Qts	0.48
Qes	0.56
Qms	3.43
Vas	160.93 L
Sd	535.02 cm²
Xmax	4.7 mm
Re	5.4 Ω
Bl	10.08 T·m
Mms	44.3 g
Pe	100 W
Sensitivity	95.5 dB

Alignment hint

EBP	68 · flexible
Sealed Vb (Qtc ≈ 0.71)	≈ 137.5 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
Davis KIT ALBEDO	37.5 -0.5	0.459 -0.02	166 +5.07	5 +0.3	96.5 +1	close		+
Visaton BZ300 4 Ohms	36 -2	0.483 =	129 -31.93	5 +0.3	95.7 +0.2	close	4 Ω vs 8 Ω: amp load changes	+
Davis 31TCA12 vp rc1 g	39 +1	0.477 =	202.9 +41.97	6 +1.3	96.1 +0.6	close		+
MCM Electronics 55-3212	38.5 +0.5	0.477 =	122.6 -38.33	4.7 =	96.6 +1.1	close	4 Ω vs 8 Ω: amp load changes	+
Celestion PULSE XL 12.20	35.1 -2.9	0.503 +0.02	153.3 -7.63	8.3 +3.6	94.2 -1.3	close		+
Philips AD12100/M8	36 -2	0.464 -0.02	193.3 +32.37	6.2 +1.5	94.6 -0.9	close		+
Eminence LEGEND BP122 8 Ohms	35 -3	0.537 +0.06	157.4 -3.53	6.2 +1.5	94.2 -1.3	close		+
Audax LFP501	40 +2	0.521 +0.04	138 -22.93	4.5 -0.2	94.6 -0.9	close	Xmax 4.5 mm < 4.7 mm: lower excursion-limited SPL	+
Audax PR30ST100	40 +2	0.521 +0.04	138 -22.93	4.5 -0.2	94.6 -0.9	close	Xmax 4.5 mm < 4.7 mm: lower excursion-limited SPL	+
Klipsch K28E	35.1 -2.9	0.441 -0.04	152.7 -8.23	4 -0.7	96.5 +1	close	4 Ω vs 8 Ω: amp load changes · Xmax 4 mm < 4.7 mm: lower excursion-limited SPL	+

Compare the closest 3 against the LBASS12-15 →

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.