← all drivers

Eminence BETA 12

12" · 8 Ω · 250 W · 96.5 dB · datasheet ↗

Thiele-Small parameters

Nominal size12"
Impedance8 Ω
Fs50 Hz
Qts0.519
Qes0.57
Qms5.82
Vas114.7 L
Sd532.4 cm²
Xmax4.4 mm
Re7.07 Ω
Bl11.7 T·m
Mms35.1 g
Pe250 W
Sensitivity96.5 dB

Alignment hint

EBP88 · flexible
Sealed Vb (Qtc ≈ 0.71)≈ 134 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

DriverFs (Hz)QtsVas (L)Xmax (mm)Sens (dB)FitNotesCompare
Davis 31TCA12 vp349.1 -0.90.452 -0.07115.6 +0.95.6 +1.297.3 +0.8close+
Davis 31TCA12 vp49.1 -0.90.459 -0.06107.8 -6.95.5 +1.196.9 +0.4close+
Davis 31TCA12 vp246.4 -3.60.449 -0.07113.1 -1.65.7 +1.396.4 -0.1close+
Faital PRO 12PR30050 =0.49 -0.0389.7 -254.92 +0.5297 +0.5close16 Ω vs 8 Ω: amp load changes+
Eminence BETA 12A47 -30.462 -0.06120 +5.34.4 =98 +1.5close+
Eminence BETA 12A247 -30.462 -0.06120.1 +5.44.4 =98 +1.5close+
Eminence BETA-12A47 -30.46 -0.06120.1 +5.44.4 =98 +1.5close+
Faital PRO 12PR32045 -50.52 =96.7 -187.27 +2.8796 -0.5close16 Ω vs 8 Ω: amp load changes+
B&C 12 HPL 5151 +10.479 -0.0496 -18.74 -0.497.3 +0.8close150 W vs 250 W: lower power handling · Xmax 4 mm < 4.4 mm: lower excursion-limited SPL+
Audax 33048.1 -1.90.468 -0.0593.7 -214.5 +0.195.9 -0.6close150 W vs 250 W: lower power handling+

Compare the closest 3 against the BETA 12 →

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.