RCF CX15N351
Thiele-Small parameters
| Nominal size | 15" |
|---|---|
| Impedance | 8 Ω |
| Fs | 55 Hz |
| Qts | 0.258 |
| Qes | 0.27 |
| Qms | 6 |
| Vas | 110 L |
| Sd | 860 cm² |
| Xmax | 3.8 mm |
| Re | 5.6 Ω |
| Bl | 23.8 T·m |
| Mms | 78.9 g |
| Pe | 450 W |
| Sensitivity | 101.8 dB |
Alignment hint
| EBP | 204 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 16.9 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 |
|---|---|---|---|---|---|---|---|---|
| PHL Audio 5241 M | 48 -7 | 0.253 -0.01 | 105 -5 | 3.9 +0.1 | 99.4 -2.4 | close | + | |
| RCF L15S830 | 52 -3 | 0.28 +0.02 | 115 +5 | 4 +0.2 | 99.2 -2.6 | close | + | |
| Monacor SP-15A/350NEO | 49 -6 | 0.252 -0.01 | 128 +18 | 3.5 -0.3 | 101.2 -0.6 | close | 350 W vs 450 W: lower power handling · Xmax 3.5 mm < 3.8 mm: lower excursion-limited SPL | + |
| PD PDN 15SB40 | 50 -5 | 0.243 -0.02 | 93.2 -16.8 | 4.3 +0.5 | 100.5 -1.3 | close | + | |
| Precision Devices PDN 15SB40 | 50 -5 | 0.243 -0.02 | 93.2 -16.8 | 4.3 +0.5 | 100.5 -1.3 | close | + | |
| RCF L 17P/64 AF | 52 -3 | 0.244 -0.01 | 124 +14 | 2.9 -0.9 | 101.7 -0.1 | close | 150 W vs 450 W: lower power handling · Xmax 2.9 mm < 3.8 mm: lower excursion-limited SPL | + |
| Ciare NDH 15-3 | 49.8 -5.2 | 0.296 +0.04 | 110.9 +0.9 | 4.3 +0.5 | 99.7 -2.1 | close | + | |
| B&C 14 CXN 88 | 46 -9 | 0.265 +0.01 | 100 -10 | 5.2 +1.4 | 99.9 -1.9 | usable | + | |
| PHL Audio 5240 | 46 -9 | 0.278 +0.02 | 116 +6 | 4.7 +0.9 | 99.3 -2.5 | usable | + | |
| RCF MB 15N405 | 46 -9 | 0.265 +0.01 | 124 +14 | 6.6 +2.8 | 100 -1.8 | usable | + |
Compare the closest 3 against the CX15N351 →
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.