RCF CX 15N351
Thiele-Small parameters
| Nominal size | 15" |
|---|---|
| Impedance | 8 Ω |
| Fs | 42 Hz |
| Qts | 0.226 |
| Qes | 0.24 |
| Qms | 4 |
| Vas | 191 L |
| Sd | 855 cm² |
| Xmax | 5.3 mm |
| Re | 5.6 Ω |
| Bl | 21.8 T·m |
| Mms | 77 g |
| Pe | 450 W |
| Sensitivity | 101.2 dB |
Alignment hint
| EBP | 175 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 21.7 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 |
|---|---|---|---|---|---|---|---|---|
| RCF MB 15N351 | 42 = | 0.226 = | 191 = | 6 +0.7 | 101.2 = | close | + | |
| Radian 5215B oem2 | 42 = | 0.247 +0.02 | 197 +6 | 5.5 +0.2 | 100.6 -0.6 | close | + | |
| Radian 5215B oem3 | 42 = | 0.247 +0.02 | 197 +6 | 5.5 +0.2 | 100.6 -0.6 | close | + | |
| Radian 5215B NEO | 44 +2 | 0.232 +0.01 | 175 -16 | 5.5 +0.2 | 100.8 -0.4 | close | + | |
| MC Kenzie C15.400BS | 40 -2 | 0.219 -0.01 | 215 +24 | 5.4 +0.1 | 101 -0.2 | close | + | |
| PHL Audio 5030 | 40 -2 | 0.236 +0.01 | 180 -11 | 5.4 +0.1 | 100.2 -1 | close | + | |
| PD PD 153ER v2018 | 40 -2 | 0.215 -0.01 | 218.8 +27.8 | 5.4 +0.1 | 101.4 +0.2 | close | + | |
| Precision Devices PD 153ER v2018 | 40 -2 | 0.215 -0.01 | 218.8 +27.8 | 5.4 +0.1 | 101.4 +0.2 | close | + | |
| B&C 15 NDL 76 | 37 -5 | 0.228 = | 195 +4 | 6 +0.7 | 99.9 -1.3 | close | + | |
| Radian 5215B OEM | 42 = | 0.204 -0.02 | 205 +14 | 5.5 +0.2 | 102.4 +1.2 | close | + |
Compare the closest 3 against the CX 15N351 →
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.