Ciare NDH 15-4
Thiele-Small parameters
| Nominal size | 15" |
|---|---|
| Impedance | 8 Ω |
| Fs | 48.6 Hz |
| Qts | 0.312 |
| Qes | 0.32 |
| Qms | 11.81 |
| Vas | 96.9 L |
| Sd | 830 cm² |
| Xmax | 5.9 mm |
| Re | 6.06 Ω |
| Bl | 24.9 T·m |
| Mms | 106.9 g |
| Pe | 800 W |
| Sensitivity | 98.6 dB |
Alignment hint
| EBP | 152 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 23.4 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 |
|---|---|---|---|---|---|---|---|---|
| Beyma 15MC700Nd | 49 +0.4 | 0.31 = | 105 +8.1 | 7 +1.1 | 100 +1.4 | close | + | |
| RCF L 15S801 | 48 -0.6 | 0.32 +0.01 | 113 +16.1 | 6 +0.1 | 98.9 +0.3 | close | + | |
| RCF L 15S801-8 | 48 -0.6 | 0.32 +0.01 | 113 +16.1 | 6 +0.1 | 98.9 +0.3 | close | + | |
| B&C 14 NDL 88 | 45 -3.6 | 0.298 -0.01 | 102 +5.1 | 6.7 +0.8 | 98.8 +0.2 | close | + | |
| Sica 15 K 4 PL | 46.5 -2.1 | 0.3 -0.01 | 102.3 +5.4 | 8 +2.1 | 99.2 +0.6 | close | + | |
| RCF MB 15X351 | 46 -2.6 | 0.315 = | 114 +17.1 | 5.9 = | 99 +0.4 | close | + | |
| RCF L 15S800 | 48 -0.6 | 0.32 +0.01 | 113 +16.1 | 5.5 -0.4 | 98.9 +0.3 | close | Xmax 5.5 mm < 5.9 mm: lower excursion-limited SPL | + |
| RCF MB 15N351 v2012 | 46 -2.6 | 0.315 = | 114 +17.1 | 5.7 -0.2 | 99 +0.4 | close | Xmax 5.7 mm < 5.9 mm: lower excursion-limited SPL | + |
| RCF W390 | 46.4 -2.2 | 0.299 -0.01 | 87.7 -9.2 | 6 +0.1 | 100 +1.4 | close | 4 Ω vs 8 Ω: amp load changes | + |
| BMS 15CN860 | 46 -2.6 | 0.276 -0.04 | 102 +5.1 | 6 +0.1 | 98.7 +0.1 | close | + |
Compare the closest 3 against the NDH 15-4 →
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.