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Fostex SLE 30 W

12" · 8 Ω · 160 W · 92.8 dB · datasheet ↗

Thiele-Small parameters

Nominal size12"
Impedance8 Ω
Fs22 Hz
Qts0.302
Qes0.31
Qms11
Vas293 L
Sd475 cm²
Xmax9.5 mm
Re6.7 Ω
Bl13 T·m
Mms56.5 g
Pe160 W
Sensitivity92.8 dB

Alignment hint

EBP71 · flexible
Sealed Vb (Qtc ≈ 0.71)≈ 65.4 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
Visaton WS30022 =0.321 +0.02340 +478 -1.592.5 -0.3closeXmax 8 mm < 9.5 mm: lower excursion-limited SPL+
Audiotechnology FLEXUNIT 12B77251025 +30.299 =250 -438.6 -0.994.3 +1.5closeXmax 8.6 mm < 9.5 mm: lower excursion-limited SPL+
Wharfedale 301420.7 -1.30.342 +0.04319.1 +26.18 -1.592.2 -0.6close100 W vs 160 W: lower power handling · Xmax 8 mm < 9.5 mm: lower excursion-limited SPL+
SB Acoustics SB34NRXL75-822 =0.275 -0.03205 -889.6 +0.191.9 -0.9usable+
Artech ART33.223 +10.335 +0.03340 +477 -2.592.7 -0.1usable100 W vs 160 W: lower power handling · Xmax 7 mm < 9.5 mm: lower excursion-limited SPL+
Visaton W300S823 +10.335 +0.03340 +477 -2.592.7 -0.1usableXmax 7 mm < 9.5 mm: lower excursion-limited SPL+
Focal 12V 72619 -30.267 -0.03340 +479 -0.592 -0.8usableXmax 9 mm < 9.5 mm: lower excursion-limited SPL+
Monacor SPH-300KE22 =0.331 +0.03250 -436.5 -391.8 -1usable120 W vs 160 W: lower power handling · Xmax 6.5 mm < 9.5 mm: lower excursion-limited SPL+
Jensen RS12045SW25 +30.3 =220 -7311 +1.595.6 +2.8usable4 Ω vs 8 Ω: amp load changes+
JBL 128-H20 -20.241 -0.06280.3 -12.77.9 -1.693 +0.2usableXmax 7.9 mm < 9.5 mm: lower excursion-limited SPL+

Compare the closest 3 against the SLE 30 W →

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.