Ciare NDH 15-4S
Thiele-Small parameters
| Nominal size | 15" |
|---|---|
| Impedance | 8 Ω |
| Fs | 28 Hz |
| Qts | 0.254 |
| Qes | 0.26 |
| Qms | 11.19 |
| Vas | 220 L |
| Sd | 830.6 cm² |
| Xmax | 11.5 mm |
| Re | 6.04 Ω |
| Bl | 24.1 T·m |
| Mms | 142 g |
| Pe | 1000 W |
| Sensitivity | 95.9 dB |
Alignment hint
| EBP | 108 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 32.6 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 |
|---|---|---|---|---|---|---|---|---|
| Ciare NDH15-4S | 28 = | 0.25 = | 220 = | 11.5 = | 94.5 -1.4 | close | + | |
| STX W.38.800.8.MC | 28 = | 0.252 = | 247 +27 | 8 -3.5 | 96.5 +0.6 | close | 500 W vs 1000 W: lower power handling · Xmax 8 mm < 11.5 mm: lower excursion-limited SPL | + |
| Faital PRO 15FH500 | 33 +5 | 0.28 +0.03 | 209.5 -10.5 | 9.45 -2.05 | 97 +1.1 | usable | 4 Ω vs 8 Ω: amp load changes · 500 W vs 1000 W: lower power handling · Xmax 9.45 mm < 11.5 mm: lower excursion-limited SPL | + |
| Beyma SM115/K | 29 +1 | 0.249 -0.01 | 273 +53 | 8 -3.5 | 97.2 +1.3 | usable | 500 W vs 1000 W: lower power handling · Xmax 8 mm < 11.5 mm: lower excursion-limited SPL | + |
| JBL 1501FE | 29.5 +1.5 | 0.236 -0.02 | 217.7 -2.3 | 6.9 -4.6 | 97.2 +1.3 | usable | 500 W vs 1000 W: lower power handling · Xmax 6.9 mm < 11.5 mm: lower excursion-limited SPL | + |
| Precision Devices PD1550 | 31 +3 | 0.21 -0.04 | 242 +22 | 12 +0.5 | 99 +3.1 | usable | 600 W vs 1000 W: lower power handling | + |
| 18 Sound 15LW1500 | 34 +6 | 0.28 +0.03 | 195 -25 | 9 -2.5 | 96 +0.1 | usable | Xmax 9 mm < 11.5 mm: lower excursion-limited SPL | + |
| Ciare NDC 15-4 S | 31.2 +3.2 | 0.253 = | 156.2 -63.8 | 8.8 -2.7 | 95.5 -0.4 | usable | Xmax 8.8 mm < 11.5 mm: lower excursion-limited SPL | + |
| RCF L 15P200/A | 29 +1 | 0.291 +0.04 | 280 +60 | 8.9 -2.6 | 96.6 +0.7 | usable | 300 W vs 1000 W: lower power handling · Xmax 8.9 mm < 11.5 mm: lower excursion-limited SPL | + |
| Volt RV3863 | 29 +1 | 0.304 +0.05 | 207 -13 | 7.5 -4 | 95.4 -0.5 | usable | 400 W vs 1000 W: lower power handling · Xmax 7.5 mm < 11.5 mm: lower excursion-limited SPL | + |
Compare the closest 3 against the NDH 15-4S →
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.