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Lavoce SSF122.50L

12" · 8 Ω · 400 W · 91.3 dB · datasheet ↗

Thiele-Small parameters

Nominal size12"
Impedance8 Ω
Fs41 Hz
Qts0.41
Qes0.46
Qms2.9
Vas59 L
Sd528 cm²
Xmax11.5 mm
Re5.4 Ω
Bl17.3 T·m
Mms101 g
Pe400 W
Sensitivity91.3 dB

Alignment hint

EBP89 · flexible
Sealed Vb (Qtc ≈ 0.71)≈ 29.9 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
18 Sound 12NTLS350041 =0.41 =65 +67.9 -3.693.5 +2.2closeXmax 7.9 mm < 11.5 mm: lower excursion-limited SPL+
Sica 12 SR 3 CP37 -40.4 -0.0160.9 +1.98 -3.592.2 +0.9usableXmax 8 mm < 11.5 mm: lower excursion-limited SPL+
SICA 12 SR 3 PL v201836 -50.418 +0.0160.4 +1.47 -4.591.7 +0.4usableXmax 7 mm < 11.5 mm: lower excursion-limited SPL+
Sica 12 SR 3 PL36 -50.42 +0.0160.4 +1.47 -4.591.8 +0.5usableXmax 7 mm < 11.5 mm: lower excursion-limited SPL+
Oberton 12B45V47.88 +6.880.354 -0.0658.51 -0.4910.5 -194 +2.7usableXmax 10.5 mm < 11.5 mm: lower excursion-limited SPL+
Resonant Engineering XXX 12D1 vp27 -140.401 -0.0156.5 -2.512.9 +1.492 +0.7usable4 Ω vs 8 Ω: amp load changes+
Faital PRO 12RS55042 +10.37 -0.0445.4 -13.69.25 -2.2593 +1.7usableXmax 9.25 mm < 11.5 mm: lower excursion-limited SPL+
Pioneer TS-W306C32.6 -8.40.414 =55.6 -3.48.1 -3.492.8 +1.5usable4 Ω vs 8 Ω: amp load changes · Xmax 8.1 mm < 11.5 mm: lower excursion-limited SPL+
B&C 12FG10034 -70.36 -0.0549 -1010.3 -1.291 -0.3usableXmax 10.3 mm < 11.5 mm: lower excursion-limited SPL+
Celestion FTR12-4080DL/435.3 -5.70.428 +0.0251.4 -7.68 -3.592.5 +1.2usable4 Ω vs 8 Ω: amp load changes · Xmax 8 mm < 11.5 mm: lower excursion-limited SPL+

Compare the closest 3 against the SSF122.50L →

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.