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Eminence ALPHA 3-8

3" · 8 Ω · 30 W · 88.6 dB · datasheet ↗

Thiele-Small parameters

Nominal size3"
Impedance8 Ω
Fs118 Hz
Qts0.5
Qes0.53
Qms7.94
Vas0.95 L
Sd28.6 cm²
Xmax2.4 mm
Re5.12 Ω
Bl3.93 T·m
Mms2 g
Pe30 W
Sensitivity88.6 dB

Alignment hint

EBP223 · ported
Sealed Vb (Qtc ≈ 0.71)≈ 0.9 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

DriverFs (Hz)QtsVas (L)Xmax (mm)Sens (dB)FitNotesCompare
LaVoce WSF030.70112 -60.61 +0.110.89 -0.063.3 +0.985.5 -3.1usable+
Eminence ALPHA 3-32117 -10.74 +0.240.98 +0.032.6 +0.288 -0.6usable32 Ω vs 8 Ω: amp load changes+
Faital PRO 3FE22110 -80.47 -0.031.3 +0.351.83 -0.5791 +2.4usable20 W vs 30 W: lower power handling · Xmax 1.83 mm < 2.4 mm: lower excursion-limited SPL+
Faital PRO 3FE25110 -80.52 +0.021.3 +0.351.73 -0.6791 +2.4usable4 Ω vs 8 Ω: amp load changes · 20 W vs 30 W: lower power handling · Xmax 1.73 mm < 2.4 mm: lower excursion-limited SPL+
Faital PRO 3FE22110 -80.56 +0.061.4 +0.451.83 -0.5791 +2.4usable16 Ω vs 8 Ω: amp load changes · 20 W vs 30 W: lower power handling · Xmax 1.83 mm < 2.4 mm: lower excursion-limited SPL+
Faital PRO 3FE25110 -80.66 +0.161.3 +0.351.83 -0.5791 +2.4usable20 W vs 30 W: lower power handling · Xmax 1.83 mm < 2.4 mm: lower excursion-limited SPL+
Faital PRO 3FE26150 +320.79 +0.290.9 -0.052 -0.490 +1.4usable20 W vs 30 W: lower power handling · Xmax 2 mm < 2.4 mm: lower excursion-limited SPL+
Faital PRO 3FE22110 -80.36 -0.141.3 +0.351.73 -0.6791 +2.4usable4 Ω vs 8 Ω: amp load changes · 20 W vs 30 W: lower power handling · Xmax 1.73 mm < 2.4 mm: lower excursion-limited SPL+
Faital PRO 3FE25110 -80.83 +0.331.3 +0.351.83 -0.5790 +1.4risky16 Ω vs 8 Ω: amp load changes · 20 W vs 30 W: lower power handling · Xmax 1.83 mm < 2.4 mm: lower excursion-limited SPL+
Faital PRO 3FE26150 +321.08 +0.580.9 -0.052 -0.490 +1.4risky16 Ω vs 8 Ω: amp load changes · 20 W vs 30 W: lower power handling · Xmax 2 mm < 2.4 mm: lower excursion-limited SPL+

Compare the closest 3 against the ALPHA 3-8 →

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.