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Gladen SQL 12 EXTREME

12" · 2 Ω · 1300 W · 93.1 dB · datasheet ↗

Thiele-Small parameters

Nominal size12"
Impedance2 Ω
Fs33 Hz
Qts0.353
Qes0.41
Qms2.52
Vas36 L
Sd490 cm²
Xmax9.4 mm
Re1.94 Ω
Bl14.6 T·m
Mms217.5 g
Pe1300 W
Sensitivity93.1 dB

Alignment hint

EBP80 · flexible
Sealed Vb (Qtc ≈ 0.71)≈ 12 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
B&C 12BG10039 +60.33 -0.0241 +510.5 +1.193 -0.1close8 Ω vs 2 Ω: amp load changes · 1000 W vs 1300 W: lower power handling+
Ground Zero GZRW 30SPL vp33.3 +0.30.357 =52 +169.1 -0.392 -1.1close8 Ω vs 2 Ω: amp load changes · 750 W vs 1300 W: lower power handling · Xmax 9.1 mm < 9.4 mm: lower excursion-limited SPL+
FI Audio Q12 DUAL 233.9 +0.90.371 +0.0228.3 -7.710.6 +1.291.1 -2close4 Ω vs 2 Ω: amp load changes+
Soundstream SPLX-12235 +20.322 -0.0340.2 +4.28 -1.492 -1.1close8 Ω vs 2 Ω: amp load changes · 750 W vs 1300 W: lower power handling · Xmax 8 mm < 9.4 mm: lower excursion-limited SPL+
B&C 12 FG 10034 +10.362 +0.0149 +139.5 +0.191 -2.1close8 Ω vs 2 Ω: amp load changes · 1000 W vs 1300 W: lower power handling+
Ascendant Audio HAVOC 12 D233.7 +0.70.379 +0.0328.9 -7.18.2 -1.294 +0.9close1000 W vs 1300 W: lower power handling · Xmax 8.2 mm < 9.4 mm: lower excursion-limited SPL+
B&C 12FG10034 +10.36 +0.0149 +1310.3 +0.991 -2.1close8 Ω vs 2 Ω: amp load changes · 1000 W vs 1300 W: lower power handling+
Pioneer TS-W5102SPL30 -30.344 -0.0126.7 -9.312.6 +3.292.3 -0.8usable+
Faital PRO 12RS106642 +90.33 -0.0231.5 -4.512.45 +3.0593 -0.1usable8 Ω vs 2 Ω: amp load changes · 1000 W vs 1300 W: lower power handling+
B&C 12 BG 10039 +60.333 -0.0241 +57.8 -1.692.4 -0.7usable8 Ω vs 2 Ω: amp load changes · 1000 W vs 1300 W: lower power handling · Xmax 7.8 mm < 9.4 mm: lower excursion-limited SPL+

Compare the closest 3 against the SQL 12 EXTREME →

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.