18 Sound 15ND930
Thiele-Small parameters
| Nominal size | 15" |
|---|---|
| Impedance | 4 Ω |
| Fs | 35 Hz |
| Qts | 0.24 |
| Qes | 0.24 |
| Qms | 7.1 |
| Vas | 182 L |
| Sd | 850 cm² |
| Xmax | 7.5 mm |
| Re | 2.8 Ω |
| Bl | 17 T·m |
| Mms | 113 g |
| Pe | 500 W |
| Sensitivity | 97 dB |
Alignment hint
| EBP | 146 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 23.7 L |
EBP > 100: favours a ported (bass-reflex) 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 |
|---|---|---|---|---|---|---|---|---|
| 18 Sound 15LW2400 | 34 -1 | 0.23 -0.01 | 191 +9 | 9.5 +2 | 97 = | close | + | |
| Celestion FTR15-4080F-Bis | 35 = | 0.243 = | 182.8 +0.8 | 6 -1.5 | 98.3 +1.3 | close | 8 Ω vs 4 Ω: amp load changes · Xmax 6 mm < 7.5 mm: lower excursion-limited SPL | + |
| Faital PRO 15FH510 | 35 = | 0.26 +0.02 | 191.8 +9.8 | 9.25 +1.75 | 98 +1 | close | 8 Ω vs 4 Ω: amp load changes | + |
| RCF L15P400 | 36 +1 | 0.25 +0.01 | 160 -22 | 8 +0.5 | 96.3 -0.7 | close | 8 Ω vs 4 Ω: amp load changes | + |
| Electro-Voice EVM-15W vp | 31.7 -3.3 | 0.237 = | 189.1 +7.1 | 6.6 -0.9 | 97.6 +0.6 | close | 8 Ω vs 4 Ω: amp load changes · Xmax 6.6 mm < 7.5 mm: lower excursion-limited SPL | + |
| RCF LF15N401 | 34 -1 | 0.22 -0.02 | 160 -22 | 9 +1.5 | 97 = | close | 8 Ω vs 4 Ω: amp load changes | + |
| 18 Sound 15NLW9300 | 39 +4 | 0.26 +0.02 | 170 -12 | 8 +0.5 | 97 = | close | 8 Ω vs 4 Ω: amp load changes | + |
| DAS Audio 15S | 35 = | 0.287 +0.05 | 188 +6 | 8 +0.5 | 97.4 +0.4 | close | 8 Ω vs 4 Ω: amp load changes | + |
| PHL Audio 5052 | 35 = | 0.254 +0.01 | 190 +8 | 6.2 -1.3 | 98.3 +1.3 | close | 8 Ω vs 4 Ω: amp load changes · Xmax 6.2 mm < 7.5 mm: lower excursion-limited SPL | + |
| 18 Sound 15ND930 | 36 +1 | 0.22 -0.02 | 206 +24 | 7.5 = | 98 +1 | close | 8 Ω vs 4 Ω: amp load changes | + |
Compare the closest 3 against the 15ND930 →
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.