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Eminence FAS 154

15" · 4 Ω · 300 W · 96.2 dB · datasheet ↗

Thiele-Small parameters

Nominal size15"
Impedance4 Ω
Fs38.3 Hz
Qts0.868
Qes0.93
Qms13.07
Vas211 L
Sd856.3 cm²
Xmax7.2 mm
Re3.9 Ω
Bl9.2 T·m
Mms84.1 g
Pe300 W
Sensitivity96.2 dB

Alignment hint

EBP41 · sealed
Sealed Vb (Qtc ≈ 0.71)Qts too high

EBP < 50: favours a sealed (closed) 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
Eminence OB A15 NEO40.4 +2.10.723 -0.15234 +236 -1.295.7 -0.5usable8 Ω vs 4 Ω: amp load changes · 200 W vs 300 W: lower power handling · Xmax 6 mm < 7.2 mm: lower excursion-limited SPL+
AE Speakers LO15 vp Lynn Olson33.8 -4.50.823 -0.05311 +1007.9 +0.797.5 +1.3usable200 W vs 300 W: lower power handling+
AE Speakers LO15-D1633.8 -4.50.823 -0.05311 +1007.9 +0.794.6 -1.6usable8 Ω vs 4 Ω: amp load changes · 200 W vs 300 W: lower power handling+
LaVoce LBASS15-1537 -1.30.74 -0.13284.84 +73.844.7 -2.596 -0.2usable8 Ω vs 4 Ω: amp load changes · 100 W vs 300 W: lower power handling · Xmax 4.7 mm < 7.2 mm: lower excursion-limited SPL+
Fane 15-400LF39 +0.70.577 -0.29210 -15 -2.296.1 -0.1usable8 Ω vs 4 Ω: amp load changes · Xmax 5 mm < 7.2 mm: lower excursion-limited SPL+
SB Audience BIANCO-15OB350 V234 -4.30.572 -0.3212.7 +1.78.4 +1.293.9 -2.3usable8 Ω vs 4 Ω: amp load changes+
Eminence DELTA 15 LF41 +2.70.584 -0.28186.1 -24.96 -1.296 -0.2usable8 Ω vs 4 Ω: amp load changes · Xmax 6 mm < 7.2 mm: lower excursion-limited SPL+
Selenium 38GPT1242.2 +3.90.657 -0.21185.7 -25.35 -2.295.8 -0.4usable8 Ω vs 4 Ω: amp load changes · 200 W vs 300 W: lower power handling · Xmax 5 mm < 7.2 mm: lower excursion-limited SPL+
Selenium 15PW438 -0.30.752 -0.12220.7 +9.73 -4.295 -1.2usable8 Ω vs 4 Ω: amp load changes · Xmax 3 mm < 7.2 mm: lower excursion-limited SPL+
Fane 15-400LF v201641 +2.70.573 -0.3210 -15 -2.297.1 +0.9usable8 Ω vs 4 Ω: amp load changes · Xmax 5 mm < 7.2 mm: lower excursion-limited SPL+

Compare the closest 3 against the FAS 154 →

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.