Ascendant Audio 18 DUAL 1 Ohms
Thiele-Small parameters
| Nominal size | 18" |
|---|---|
| Impedance | 1 Ω |
| Fs | 29.7 Hz |
| Qts | 0.302 |
| Qes | 0.32 |
| Qms | 5.45 |
| Vas | 114.3 L |
| Sd | 1210 cm² |
| Xmax | 12.2 mm |
| Re | 0.7 Ω |
| Bl | 14.5 T·m |
| Mms | 515.6 g |
| Pe | 4000 W |
| Sensitivity | 102.3 dB |
Alignment hint
| EBP | 93 · 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
| Driver | Fs (Hz) | Qts | Vas (L) | Xmax (mm) | Sens (dB) | Fit | Notes | Compare |
|---|---|---|---|---|---|---|---|---|
| Ascendant Audio 18 DUAL 2 Ohms | 29.7 = | 0.302 = | 114.3 = | 12.1 -0.1 | 99.4 -2.9 | close | 2 Ω vs 1 Ω: amp load changes · Xmax 12.1 mm < 12.2 mm: lower excursion-limited SPL | + |
| FI Audio BTLN2 | 33.6 +3.9 | 0.308 +0.01 | 133.8 +19.5 | 10 -2.2 | 101.6 -0.7 | usable | 2 Ω vs 1 Ω: amp load changes · 2500 W vs 4000 W: lower power handling · Xmax 10 mm < 12.2 mm: lower excursion-limited SPL | + |
| 18 Sound 18NLW4500 | 37 +7.3 | 0.31 +0.01 | 127 +12.7 | 14.75 +2.55 | 96.5 -5.8 | usable | 4 Ω vs 1 Ω: amp load changes · 1800 W vs 4000 W: lower power handling | + |
| B&C 18SW115 | 34 +4.3 | 0.3 = | 149.1 +34.8 | 14 +1.8 | 96 -6.3 | usable | 4 Ω vs 1 Ω: amp load changes · 1700 W vs 4000 W: lower power handling | + |
| 18 Sound 18NLW9601 | 38 +8.3 | 0.28 -0.02 | 111 -3.3 | 14 +1.8 | 96 -6.3 | usable | 4 Ω vs 1 Ω: amp load changes · 1800 W vs 4000 W: lower power handling | + |
| B&C 18DS100 | 34 +4.3 | 0.29 -0.01 | 155 +40.7 | 14.5 +2.3 | 97.5 -4.8 | usable | 8 Ω vs 1 Ω: amp load changes · 1500 W vs 4000 W: lower power handling | + |
| Oberton 18NXB1600 | 32.37 +2.67 | 0.303 = | 173.11 +58.81 | 13.5 +1.3 | 97 -5.3 | usable | 8 Ω vs 1 Ω: amp load changes · 1600 W vs 4000 W: lower power handling | + |
| 18 Sound 18NLW9601 | 39 +9.3 | 0.28 -0.02 | 120 +5.7 | 14 +1.8 | 96 -6.3 | usable | 8 Ω vs 1 Ω: amp load changes · 1800 W vs 4000 W: lower power handling | + |
| Rockford Fosgate SVC 19 2 Ohms | 27 -2.7 | 0.31 +0.01 | 103.4 -10.9 | 8.1 -4.1 | 96.1 -6.2 | usable | 2 Ω vs 1 Ω: amp load changes · 3000 W vs 4000 W: lower power handling · Xmax 8.1 mm < 12.2 mm: lower excursion-limited SPL | + |
| B&C 18SW115 | 32 +2.3 | 0.3 = | 187 +72.7 | 14 +1.8 | 97 -5.3 | usable | 8 Ω vs 1 Ω: amp load changes · 1700 W vs 4000 W: lower power handling | + |
Compare the closest 3 against the 18 DUAL 1 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)
No enclosure in the catalog uses this driver yet.