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Ascendant Audio 18 DUAL 2 Ohms

18" · 2 Ω · 4000 W · 99.4 dB · datasheet ↗

Thiele-Small parameters

Nominal size18"
Impedance2 Ω
Fs29.7 Hz
Qts0.302
Qes0.32
Qms5.43
Vas114.3 L
Sd1210 cm²
Xmax12.1 mm
Re1.35 Ω
Bl20.1 T·m
Mms515.6 g
Pe4000 W
Sensitivity99.4 dB

Alignment hint

EBP93 · flexible
Sealed Vb (Qtc ≈ 0.71)≈ 25.5 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
Ascendant Audio 18 DUAL 1 Ohms29.7 =0.302 =114.3 =12.2 +0.1102.3 +2.9close1 Ω vs 2 Ω: amp load changes+
FI Audio BTLN233.6 +3.90.308 +0.01133.8 +19.510 -2.1101.6 +2.2usable2500 W vs 4000 W: lower power handling · Xmax 10 mm < 12.1 mm: lower excursion-limited SPL+
18 Sound 18NLW450037 +7.30.31 +0.01127 +12.714.75 +2.6596.5 -2.9usable4 Ω vs 2 Ω: amp load changes · 1800 W vs 4000 W: lower power handling+
B&C 18SW11534 +4.30.3 =149.1 +34.814 +1.996 -3.4usable4 Ω vs 2 Ω: amp load changes · 1700 W vs 4000 W: lower power handling+
18 Sound 18NLW960138 +8.30.28 -0.02111 -3.314 +1.996 -3.4usable4 Ω vs 2 Ω: amp load changes · 1800 W vs 4000 W: lower power handling+
B&C 18DS10034 +4.30.29 -0.01155 +40.714.5 +2.497.5 -1.9usable8 Ω vs 2 Ω: amp load changes · 1500 W vs 4000 W: lower power handling+
Oberton 18NXB160032.37 +2.670.303 =173.11 +58.8113.5 +1.497 -2.4usable8 Ω vs 2 Ω: amp load changes · 1600 W vs 4000 W: lower power handling+
18 Sound 18NLW960139 +9.30.28 -0.02120 +5.714 +1.996 -3.4usable8 Ω vs 2 Ω: amp load changes · 1800 W vs 4000 W: lower power handling+
Rockford Fosgate SVC 19 2 Ohms27 -2.70.31 +0.01103.4 -10.98.1 -496.1 -3.3usable3000 W vs 4000 W: lower power handling · Xmax 8.1 mm < 12.1 mm: lower excursion-limited SPL+
Oberton 18XB1301DS35.7 +60.302 =172.9 +58.612 -0.197.5 -1.9usable8 Ω vs 2 Ω: amp load changes · 1300 W vs 4000 W: lower power handling · Xmax 12 mm < 12.1 mm: lower excursion-limited SPL+

Compare the closest 3 against the 18 DUAL 2 Ohms →

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)

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